1 00:00:02,200 --> 00:00:06,800 Speaker 1: This is Masters in Business with Barry Ridholts on Bloomberg Radio. 2 00:00:09,080 --> 00:00:11,880 Speaker 1: This week on the podcast, I have an extra special guest. 3 00:00:12,080 --> 00:00:15,640 Speaker 1: His name is Paul Wilmot, and if you are remotely 4 00:00:15,840 --> 00:00:20,000 Speaker 1: interested in anything having to do with quantitative finance, then 5 00:00:20,440 --> 00:00:23,959 Speaker 1: this is the podcast for you. UH. He is not 6 00:00:24,079 --> 00:00:28,440 Speaker 1: only a colleague in Pier of such esteemed quantz as 7 00:00:28,440 --> 00:00:31,680 Speaker 1: a manual Derman and nasiem To lab who is really 8 00:00:31,720 --> 00:00:36,240 Speaker 1: more of a pure mathematician, but he is the purveyor 9 00:00:36,440 --> 00:00:40,760 Speaker 1: of the world's largest website on quantitative finance. He has 10 00:00:41,000 --> 00:00:47,239 Speaker 1: written numerous books on UH, textbooks on quantitative finance. He 11 00:00:47,320 --> 00:00:53,320 Speaker 1: has helped create the certificate UH for Finance UH quant Work. 12 00:00:53,520 --> 00:00:59,240 Speaker 1: And he has just been absolutely on the forefront of 13 00:00:59,360 --> 00:01:05,080 Speaker 1: identifying what's wrong with financial models, markets, derivatives, risk taking. 14 00:01:05,440 --> 00:01:08,440 Speaker 1: There are there are a few people who understood why 15 00:01:09,400 --> 00:01:12,520 Speaker 1: the financial crisis of oh an O nine was coming 16 00:01:13,360 --> 00:01:17,360 Speaker 1: UH more specifically and earlier than he did. Eight years 17 00:01:17,360 --> 00:01:20,760 Speaker 1: in advance. He was warning, Hey, these models are really 18 00:01:20,840 --> 00:01:24,960 Speaker 1: problematic and and they're going to result in in big problems. Um, 19 00:01:25,000 --> 00:01:27,680 Speaker 1: They're gonna result in real issues. And he turned out 20 00:01:27,680 --> 00:01:30,640 Speaker 1: to be not only right generally, but what he was 21 00:01:30,920 --> 00:01:35,000 Speaker 1: criticizing specifically, turned out to be a large part of 22 00:01:35,000 --> 00:01:39,440 Speaker 1: of why markets and credit went went through its collapse. So, 23 00:01:39,560 --> 00:01:43,520 Speaker 1: with no further ado, here is my conversation with Paul Wilmot. 24 00:01:47,880 --> 00:01:51,080 Speaker 1: I have an extra special guest. His name is Paul Wilmot. 25 00:01:51,160 --> 00:01:54,880 Speaker 1: How do I describe him? He is a expert in 26 00:01:55,000 --> 00:01:59,600 Speaker 1: quantitative finance, a researcher and author, a consultant, the professor. 27 00:02:00,040 --> 00:02:04,040 Speaker 1: He has written over a hundred research papers on mathematics 28 00:02:04,040 --> 00:02:09,800 Speaker 1: and finance, several best selling and some would say groundbreaking textbooks. 29 00:02:09,919 --> 00:02:14,800 Speaker 1: He runs what is the biggest quantitative analysis website in 30 00:02:14,840 --> 00:02:19,040 Speaker 1: the world. Uh no, lesser a critic than seemed to 31 00:02:19,120 --> 00:02:23,400 Speaker 1: Leb described him as the smartest quant in the world, 32 00:02:23,880 --> 00:02:27,720 Speaker 1: the only one who truly understands what's going on, who 33 00:02:27,840 --> 00:02:31,639 Speaker 1: uses his head and has a sense of ethics. Paul Wilmot, 34 00:02:31,680 --> 00:02:33,760 Speaker 1: Welcome to Bloomberg. Hi, it's a place to be here. 35 00:02:33,800 --> 00:02:36,120 Speaker 1: I have to correct you already. I have to correct you. 36 00:02:36,440 --> 00:02:39,520 Speaker 1: I'm not, and never have been, a professor. I'm a 37 00:02:39,560 --> 00:02:42,840 Speaker 1: mere doctor. I'm afraid were you a lecturer? I've been. 38 00:02:42,919 --> 00:02:45,840 Speaker 1: I've had all sorts of research positions in universities, but 39 00:02:45,960 --> 00:02:48,880 Speaker 1: never reached that exalted. I'll tell you why I drew 40 00:02:48,919 --> 00:02:52,400 Speaker 1: that conclusion. There is a YouTube video of you describing 41 00:02:52,480 --> 00:02:55,400 Speaker 1: some of the chapters of some of your textbooks, and 42 00:02:55,440 --> 00:02:58,760 Speaker 1: you just have a natural professorial air. I have this thing, 43 00:02:59,560 --> 00:03:01,720 Speaker 1: and I through the assumption that I perhaps should not 44 00:03:01,760 --> 00:03:06,560 Speaker 1: have drawn. So let's talk a little bit about um, 45 00:03:06,680 --> 00:03:10,280 Speaker 1: your research, your work you're writing. I have to start 46 00:03:10,320 --> 00:03:12,880 Speaker 1: out with a quote of yours from one of your papers. 47 00:03:13,280 --> 00:03:17,280 Speaker 1: The paper published in two thousand was the Use, Misuse 48 00:03:17,480 --> 00:03:21,760 Speaker 1: and Abuse of Mathematics and Finance. That title alone is 49 00:03:22,080 --> 00:03:24,600 Speaker 1: a good place to start. But here's the quote that 50 00:03:24,960 --> 00:03:28,560 Speaker 1: was so prescient. It's clear that a major rethink is 51 00:03:28,639 --> 00:03:32,680 Speaker 1: desperately required if the world is to avoid a mathematician 52 00:03:32,800 --> 00:03:38,440 Speaker 1: led market meltdown. That is pretty much dead on. And 53 00:03:38,600 --> 00:03:41,160 Speaker 1: seven years later we had the quant crash, and a 54 00:03:41,240 --> 00:03:45,080 Speaker 1: year after that we had the full blown Great Financial Crisis. 55 00:03:45,720 --> 00:03:48,280 Speaker 1: What were you looking at that gave you such a 56 00:03:48,320 --> 00:03:52,000 Speaker 1: clear understanding of of the coming storm? Well, I also 57 00:03:52,240 --> 00:03:54,000 Speaker 1: a few years after that, I wrote that I did 58 00:03:54,680 --> 00:03:56,880 Speaker 1: specify that I thought it was going to be credit 59 00:03:56,920 --> 00:04:00,400 Speaker 1: datives that might be the problem. So even more specific, yes, 60 00:04:00,440 --> 00:04:04,400 Speaker 1: and that that's because of my background, I haven't taken 61 00:04:04,440 --> 00:04:09,280 Speaker 1: the classical quant route, and I come with a lot 62 00:04:09,320 --> 00:04:13,160 Speaker 1: of skepticism, and I'm not a great fan of following 63 00:04:13,200 --> 00:04:16,240 Speaker 1: the herd. So whenever I look at mathematical models, I 64 00:04:16,279 --> 00:04:20,080 Speaker 1: can pretty much tell you whether the based on any reality, 65 00:04:20,240 --> 00:04:23,719 Speaker 1: or maybe whether there's any dangers involved with the the 66 00:04:23,760 --> 00:04:26,440 Speaker 1: hedging or the valuation. And everywhere I looked, I just 67 00:04:26,480 --> 00:04:30,160 Speaker 1: saw that there were dangers. It was not The models 68 00:04:30,160 --> 00:04:34,080 Speaker 1: for equities are not too bad in quantitative fires. The 69 00:04:34,120 --> 00:04:38,039 Speaker 1: models for interest rates are pretty bad, except interest rates 70 00:04:38,040 --> 00:04:41,719 Speaker 1: don't really do much, certainly at the moment anyway. But 71 00:04:41,880 --> 00:04:45,479 Speaker 1: credit the models are not only the models really really 72 00:04:46,080 --> 00:04:48,640 Speaker 1: bad in terms of not matching reality and how they use, 73 00:04:48,960 --> 00:04:52,640 Speaker 1: but also credit markets are absolute enormous, tremendous. In fact, 74 00:04:53,000 --> 00:04:56,880 Speaker 1: that also from the same paper, the underlying assumptions of 75 00:04:56,960 --> 00:05:00,479 Speaker 1: financial models, such as the importance of normal distribution, the 76 00:05:00,520 --> 00:05:06,520 Speaker 1: elimination of risk, measurable correlations, etcetera, are all incorrect. And 77 00:05:06,520 --> 00:05:09,880 Speaker 1: and when I read that, I was reminded of the 78 00:05:10,040 --> 00:05:13,400 Speaker 1: famous George Box quote all models are wrong, but some 79 00:05:13,520 --> 00:05:16,960 Speaker 1: are useful. And I know that's sort of a bastardization 80 00:05:17,080 --> 00:05:21,359 Speaker 1: of of what he really was intended. But the natural 81 00:05:21,480 --> 00:05:24,800 Speaker 1: quote next question is are all models wrong? And how 82 00:05:24,839 --> 00:05:27,440 Speaker 1: can you tell the ones that are useful from the 83 00:05:27,440 --> 00:05:30,040 Speaker 1: ones that are dangerous? Well, models in finance are going 84 00:05:30,080 --> 00:05:33,039 Speaker 1: to be wrong, and it's a definition you can you 85 00:05:33,120 --> 00:05:37,200 Speaker 1: can perfectly understand what's not told. Um. And as for 86 00:05:37,960 --> 00:05:40,000 Speaker 1: the word useful, I think you have to ask what 87 00:05:40,160 --> 00:05:43,840 Speaker 1: is meant by useful and the various ways of looking 88 00:05:43,839 --> 00:05:48,400 Speaker 1: at this useful. Are they useful in helping you control risk? 89 00:05:48,600 --> 00:05:52,160 Speaker 1: Are they helpful in allowing you to do more business? 90 00:05:52,680 --> 00:05:55,040 Speaker 1: Or there are all sorts of different angles, and some 91 00:05:55,080 --> 00:05:58,159 Speaker 1: of these are sort of conflict with what the man 92 00:05:58,160 --> 00:06:00,800 Speaker 1: in the street might want. For example, a model might 93 00:06:00,839 --> 00:06:03,640 Speaker 1: be useful because it's great for marketing, and it you know, 94 00:06:03,680 --> 00:06:07,240 Speaker 1: it fools the regulators and it's not very good, but hey, 95 00:06:07,240 --> 00:06:09,160 Speaker 1: it's it's useful if you want to try and start 96 00:06:09,200 --> 00:06:13,479 Speaker 1: a really big hedge fund. Um. So it depends what 97 00:06:13,520 --> 00:06:15,760 Speaker 1: you mean. I don't think that's what professor Box was 98 00:06:15,760 --> 00:06:20,440 Speaker 1: referring exactly. However, exactly, they certainly have conserved useful purposes, 99 00:06:20,839 --> 00:06:25,800 Speaker 1: albeit perhaps not accurately predicting what the universe may look 100 00:06:25,839 --> 00:06:28,160 Speaker 1: like exactly. So you hope that when we talk about 101 00:06:28,320 --> 00:06:30,400 Speaker 1: having a model. It's useful, you'd you'd like to think 102 00:06:30,400 --> 00:06:33,600 Speaker 1: in terms of, oh, it allows us to manage our 103 00:06:33,720 --> 00:06:36,760 Speaker 1: risk or hedge our risk something like that, or or 104 00:06:37,200 --> 00:06:43,040 Speaker 1: produce important new products that are helpful in hedging your 105 00:06:43,080 --> 00:06:46,600 Speaker 1: business or whatever. But I'm a bit too cynical to 106 00:06:47,160 --> 00:06:50,200 Speaker 1: think of. So you said you didn't take the usual 107 00:06:50,279 --> 00:06:53,800 Speaker 1: route into quantitative finance. How what was your route? How 108 00:06:53,800 --> 00:06:56,960 Speaker 1: did you find your way into quant finance and how 109 00:06:57,440 --> 00:07:01,120 Speaker 1: does that differ from the typical on Wall Street. Well, 110 00:07:01,600 --> 00:07:04,120 Speaker 1: you have to go back to my my my childhood. Really, 111 00:07:04,839 --> 00:07:08,000 Speaker 1: I've always from a very young age run my own 112 00:07:08,200 --> 00:07:13,240 Speaker 1: businesses at various sizes, and even when I was a 113 00:07:13,280 --> 00:07:17,760 Speaker 1: mathematician at university doing my doctorate or doing post doctoral work, 114 00:07:18,360 --> 00:07:22,280 Speaker 1: I was always interacting with the real world, trying to 115 00:07:22,280 --> 00:07:26,080 Speaker 1: do consultancy, etcetera. And it meant that I saw a 116 00:07:26,080 --> 00:07:31,640 Speaker 1: lot of different problems from fields outside of finance. In fact, 117 00:07:32,200 --> 00:07:35,280 Speaker 1: when I started in finance in the late eighties, before that, 118 00:07:35,840 --> 00:07:37,800 Speaker 1: I didn't even know there was any mathematics in finance. 119 00:07:37,840 --> 00:07:42,600 Speaker 1: But I'd work for are anautical companies, for steel companies, 120 00:07:42,680 --> 00:07:45,840 Speaker 1: for all sorts of different businesses where you try and 121 00:07:46,720 --> 00:07:50,160 Speaker 1: take a physical problem and turn into into something mathematical. 122 00:07:50,600 --> 00:07:54,200 Speaker 1: And then a colleague introduced me to these things called options. 123 00:07:54,240 --> 00:07:57,360 Speaker 1: This was in the there was actually just before the 124 00:07:57,680 --> 00:08:02,160 Speaker 1: seven crash, and just looking into the literature, I found, hey, 125 00:08:02,200 --> 00:08:08,040 Speaker 1: there's there's real mathematics involved in in in derivatives. And 126 00:08:08,160 --> 00:08:11,120 Speaker 1: so I started just to apply the same principles of 127 00:08:11,160 --> 00:08:14,520 Speaker 1: mathematical modeling too derivatives as I had to all these 128 00:08:14,520 --> 00:08:19,120 Speaker 1: other real world physical processes that I had worked on. Actually, 129 00:08:19,160 --> 00:08:23,160 Speaker 1: the when I first saw the famous Black Shoals equation, UM, 130 00:08:23,840 --> 00:08:25,320 Speaker 1: I thought, this is this is great. This is just 131 00:08:25,400 --> 00:08:30,760 Speaker 1: like second year undergraduate mathematics. UM. These days apparently you're 132 00:08:30,760 --> 00:08:33,040 Speaker 1: supposed to have a PhD. But actually that's that's a 133 00:08:33,160 --> 00:08:36,439 Speaker 1: that's a lot of nonsense. UM. Most quant finances just 134 00:08:36,480 --> 00:08:39,720 Speaker 1: second year undergraduate maths. Some of the book is really 135 00:08:39,800 --> 00:08:43,000 Speaker 1: quite fascinating, and you start out with a history of 136 00:08:43,200 --> 00:08:48,200 Speaker 1: investment theory, and I thought, skipping from the south Sea 137 00:08:48,200 --> 00:08:52,080 Speaker 1: Bubble to Adam Smith to the efficient market hypothesis, what 138 00:08:52,320 --> 00:08:56,760 Speaker 1: is the connective tissue between all three of those major 139 00:08:56,840 --> 00:08:59,800 Speaker 1: events in the history of finance. Well, when I think 140 00:09:00,040 --> 00:09:04,199 Speaker 1: you start to see is some going from just people's 141 00:09:04,200 --> 00:09:08,200 Speaker 1: personal experience through too trying to lay down some principles 142 00:09:08,360 --> 00:09:11,839 Speaker 1: and then trying to quantify those principles. So up to 143 00:09:11,880 --> 00:09:14,839 Speaker 1: the period now, the modern era, when pretty much everything 144 00:09:14,840 --> 00:09:17,920 Speaker 1: in finance is all quantified, everything is in terms of 145 00:09:18,679 --> 00:09:22,280 Speaker 1: expected returns and volatility and quantities like that, it could 146 00:09:22,320 --> 00:09:26,199 Speaker 1: be reduced to mathematical models. Everything has become mathematics. Yes, right, 147 00:09:26,240 --> 00:09:29,360 Speaker 1: So so then I always thought of the random walk 148 00:09:29,440 --> 00:09:34,840 Speaker 1: theory as a sort of squishy psychological claim that hey, 149 00:09:34,880 --> 00:09:38,480 Speaker 1: you know some maybe some people can beat the market, 150 00:09:38,960 --> 00:09:41,520 Speaker 1: but you're probably not one of them, and you probably 151 00:09:41,559 --> 00:09:44,360 Speaker 1: can't pick them. And then once we bring in taxes 152 00:09:44,400 --> 00:09:47,600 Speaker 1: and costs and everything else, you're better off just indexing. 153 00:09:47,960 --> 00:09:51,880 Speaker 1: But you relate the whole concept of random walk to 154 00:09:52,200 --> 00:09:56,000 Speaker 1: probability theory. What ties these two together? Well, if you 155 00:09:56,040 --> 00:09:58,760 Speaker 1: go back to the different types of analysis that people 156 00:09:58,840 --> 00:10:02,839 Speaker 1: do in in finance, you've got fundamental analysis, which is 157 00:10:02,880 --> 00:10:06,480 Speaker 1: about trying to figure out, by looking at the company report, 158 00:10:06,559 --> 00:10:10,800 Speaker 1: company's reports and the directors, et cetera, the product, how 159 00:10:10,840 --> 00:10:14,400 Speaker 1: much is this company really worth? Now, that's very difficult 160 00:10:14,440 --> 00:10:17,439 Speaker 1: to do that, That's a lot of analysis is required. Um, 161 00:10:17,480 --> 00:10:19,640 Speaker 1: I mean, can you read balance sheets? I can't read 162 00:10:19,679 --> 00:10:24,440 Speaker 1: balance sheets for exactly exactly so, but the real problem 163 00:10:24,480 --> 00:10:27,080 Speaker 1: is is that you're not trying to predict what the 164 00:10:27,080 --> 00:10:31,120 Speaker 1: the the market value of the company should be, because 165 00:10:31,120 --> 00:10:33,200 Speaker 1: you're trying to predict what other people the people are 166 00:10:33,240 --> 00:10:37,319 Speaker 1: buying certain shares, think those famous beauty exactly. So that 167 00:10:37,520 --> 00:10:40,559 Speaker 1: you move on to fundamental that sorry, move on from 168 00:10:40,600 --> 00:10:43,280 Speaker 1: fundamental to technical analysis, which is exact opposite, which is 169 00:10:43,520 --> 00:10:46,679 Speaker 1: really easy. You draw a chart to some trend lines 170 00:10:46,720 --> 00:10:50,600 Speaker 1: and some patterns. Problem is that sort of thing, statistically speaking, 171 00:10:50,760 --> 00:10:54,640 Speaker 1: doesn't work. The scientific evidence suggested the vast majority of 172 00:10:54,679 --> 00:10:57,480 Speaker 1: that doesn't work. So the great break through the fifties 173 00:10:57,480 --> 00:11:00,680 Speaker 1: six seventies was to say, let's throw that away. Let's 174 00:11:00,679 --> 00:11:04,240 Speaker 1: just say we can't predict things. We've got the concept 175 00:11:04,240 --> 00:11:08,000 Speaker 1: of the efficient market hypothesis as a background for this, 176 00:11:08,080 --> 00:11:10,600 Speaker 1: but let's just say it's like tossing a coin. Now, 177 00:11:10,760 --> 00:11:13,400 Speaker 1: is it a tossing a biased coin? What's the chance 178 00:11:13,440 --> 00:11:15,400 Speaker 1: of heads, what's the chance of tail? So you put 179 00:11:15,480 --> 00:11:20,320 Speaker 1: numbers to these probabilities and the sort of from that 180 00:11:20,679 --> 00:11:24,520 Speaker 1: we get lots of theories about derivatives valuation. And once 181 00:11:24,559 --> 00:11:27,480 Speaker 1: you've got derivatives, you can value derivatives, you can create 182 00:11:27,559 --> 00:11:30,640 Speaker 1: new instruments, and the new instruments what might require new math, 183 00:11:30,800 --> 00:11:34,160 Speaker 1: new mathematics. So you have this snowballing effect where you've 184 00:11:34,160 --> 00:11:37,320 Speaker 1: got the mathematics increasing and the number and type of 185 00:11:37,320 --> 00:11:41,120 Speaker 1: products similtarency increasing. So there's a quote in the book 186 00:11:41,160 --> 00:11:43,400 Speaker 1: I really like, and I'm going to mangle this a 187 00:11:43,400 --> 00:11:47,959 Speaker 1: little bit. No investment strategy based on mainstream finance theory 188 00:11:48,040 --> 00:11:53,600 Speaker 1: can protect protect investors from market wide crashes. First, is 189 00:11:53,600 --> 00:11:56,800 Speaker 1: anyone really suggesting, Hey, our strategy is going to protect you? 190 00:11:56,960 --> 00:12:00,600 Speaker 1: Is that? I guess that's naive of me to uh 191 00:12:00,640 --> 00:12:04,160 Speaker 1: to ask. But do people really believe, oh, here's the 192 00:12:04,200 --> 00:12:09,360 Speaker 1: magic seven like portfolio insurance that will protect us. I'm 193 00:12:09,360 --> 00:12:11,680 Speaker 1: sure there are some things you can do. Um, there 194 00:12:11,720 --> 00:12:14,400 Speaker 1: are all sorts of nuances here. I remember Nassy, my 195 00:12:14,480 --> 00:12:18,080 Speaker 1: dear pal, Nassim Talent, telling me about his um the 196 00:12:18,120 --> 00:12:21,800 Speaker 1: way he pitches this this idea, and that is to say, 197 00:12:22,080 --> 00:12:25,080 Speaker 1: it's insurance. But it's not a portfile, it's not an investment. 198 00:12:25,400 --> 00:12:27,800 Speaker 1: It's insurance. You're gonna lose money. In fact, you hope 199 00:12:27,800 --> 00:12:29,720 Speaker 1: you'll lose money because if you make money on this 200 00:12:29,800 --> 00:12:31,959 Speaker 1: insurance is because your house has burnt down, which you 201 00:12:32,000 --> 00:12:36,640 Speaker 1: don't want to have happened. So that's quite that's a 202 00:12:36,679 --> 00:12:40,160 Speaker 1: psychological way of looking at this, getting the putting in place, 203 00:12:40,240 --> 00:12:43,880 Speaker 1: the the the protection as a as a as a 204 00:12:43,960 --> 00:12:48,080 Speaker 1: cost rather as an investment. Um. There are some things 205 00:12:48,080 --> 00:12:52,360 Speaker 1: you can do. Of course, the famous portfolio dynamic portfoileon 206 00:12:52,360 --> 00:12:54,400 Speaker 1: insurance of the of the eighties was it was a 207 00:12:54,440 --> 00:12:59,760 Speaker 1: classic example of a feedback effect, the positive feedback effect, 208 00:12:59,760 --> 00:13:02,839 Speaker 1: that the the very action of trying to protect your 209 00:13:02,840 --> 00:13:07,720 Speaker 1: portfolio is what caused made which is a beautiful concept. 210 00:13:07,840 --> 00:13:10,319 Speaker 1: What what I don't understand is who thought, oh, if 211 00:13:10,320 --> 00:13:12,200 Speaker 1: the market is crashing, I'll go out and buy some 212 00:13:12,240 --> 00:13:15,720 Speaker 1: pots and that will protect me. Summing it up that way, 213 00:13:15,920 --> 00:13:19,160 Speaker 1: how did anybody think that that model was valid? And 214 00:13:19,440 --> 00:13:22,880 Speaker 1: granted there's a little hindsight bias here, but still it 215 00:13:23,080 --> 00:13:28,040 Speaker 1: sounds so obvious after the fact that that would not work, right. 216 00:13:28,280 --> 00:13:30,719 Speaker 1: I don't know. I don't know the I think the 217 00:13:30,880 --> 00:13:33,400 Speaker 1: I think in all of this that a key thing 218 00:13:33,440 --> 00:13:35,560 Speaker 1: you've always got to remember is that the psychology of 219 00:13:35,600 --> 00:13:39,920 Speaker 1: the markets and that whatever the mathematical models say, somehow 220 00:13:40,240 --> 00:13:43,800 Speaker 1: human beings in this particular field do try to do 221 00:13:43,960 --> 00:13:49,360 Speaker 1: manage to mess up the models. So here's another mangled quote. 222 00:13:49,800 --> 00:13:55,200 Speaker 1: Bankers offering complex financial products don't always understand the risks, 223 00:13:55,640 --> 00:13:59,200 Speaker 1: and that when a bank goes bust, stock markets collapse, 224 00:13:59,280 --> 00:14:02,800 Speaker 1: house prices tumble, it's your bank account, your shares, and 225 00:14:02,840 --> 00:14:07,439 Speaker 1: your home equity that suffers. Right, Well, it's certainly true 226 00:14:07,520 --> 00:14:11,840 Speaker 1: in my experience that bankers and especially regulators, I have 227 00:14:11,920 --> 00:14:15,400 Speaker 1: to say, I do not know as much as they 228 00:14:15,440 --> 00:14:19,760 Speaker 1: ought to. Um, if they were doctors and they didn't know, 229 00:14:19,960 --> 00:14:23,800 Speaker 1: you know, bleachers do a little bleeding exactly, or you 230 00:14:23,800 --> 00:14:25,760 Speaker 1: know which side is the heart? Aren't you know that 231 00:14:25,840 --> 00:14:29,600 Speaker 1: sort of thing, then they be lawsuits flying. But bankers, 232 00:14:29,880 --> 00:14:33,240 Speaker 1: in my experience, there's a lot of herd mentality within 233 00:14:33,320 --> 00:14:36,880 Speaker 1: bankers and that works for them. That's how that's how 234 00:14:36,920 --> 00:14:40,480 Speaker 1: they make money is from from pretending there are no 235 00:14:40,640 --> 00:14:44,360 Speaker 1: risks and although they may deep down they may realize 236 00:14:44,360 --> 00:14:48,520 Speaker 1: there are risks. And regulators I haven't met that many regulators. 237 00:14:48,520 --> 00:14:51,520 Speaker 1: I don't seem to bump into them very often, maybe 238 00:14:51,480 --> 00:14:53,480 Speaker 1: because the things I've said about them in the past, 239 00:14:53,800 --> 00:14:57,800 Speaker 1: but my experience is often they're very good at book learning. 240 00:14:57,880 --> 00:15:00,280 Speaker 1: You know, they've they've got that they've read the math books. 241 00:15:00,320 --> 00:15:03,600 Speaker 1: They know the models, but they're sorely lacking in street 242 00:15:03,640 --> 00:15:06,520 Speaker 1: smarts in my experience, so they don't really understand how 243 00:15:06,520 --> 00:15:10,240 Speaker 1: the world works. So you have in the past suggested 244 00:15:10,280 --> 00:15:15,160 Speaker 1: a solution to the problem of both bankers that don't 245 00:15:15,240 --> 00:15:18,600 Speaker 1: understand risk and regulators that don't know how to regulate 246 00:15:18,640 --> 00:15:23,200 Speaker 1: it is a tobin tax on each transaction, a point 247 00:15:23,400 --> 00:15:28,080 Speaker 1: zero zero eight percent tax on any buy sell, any 248 00:15:28,120 --> 00:15:31,520 Speaker 1: trade whatsoever. And how would that work and how would 249 00:15:31,520 --> 00:15:35,320 Speaker 1: that protect markets? You're very good with your numbers. The 250 00:15:35,320 --> 00:15:41,080 Speaker 1: the idea of the Tobin tax is to stop very 251 00:15:41,160 --> 00:15:45,600 Speaker 1: high frequency trading because, uh, you then lose with the 252 00:15:45,680 --> 00:15:47,640 Speaker 1: high frequency. The problem with one of the problems with 253 00:15:47,680 --> 00:15:51,440 Speaker 1: high frequency trading is that you lose the connection between 254 00:15:52,200 --> 00:15:56,360 Speaker 1: the value of a share company and the price. It 255 00:15:56,480 --> 00:16:00,760 Speaker 1: just becomes about, you know, the these these some time 256 00:16:00,840 --> 00:16:03,280 Speaker 1: series of numbers, and it could be anything. It doesn't matter. 257 00:16:03,960 --> 00:16:06,160 Speaker 1: But there's a company here and there are people whose 258 00:16:06,840 --> 00:16:09,720 Speaker 1: jobs on the line. Let's talk a little bit about 259 00:16:10,160 --> 00:16:14,960 Speaker 1: the time you spent at Kayasa Capital Capital two people 260 00:16:15,080 --> 00:16:17,680 Speaker 1: separated by a common language, So you were a founding 261 00:16:17,760 --> 00:16:22,760 Speaker 1: partner of the volatility arbitrage hedge funds, which was running 262 00:16:23,240 --> 00:16:26,880 Speaker 1: about two million dollars just on the two million and so, 263 00:16:26,880 --> 00:16:30,840 Speaker 1: so tell us a little bit about volatility arbitrage, which 264 00:16:30,880 --> 00:16:35,600 Speaker 1: is sort of ironic in these days of almost no volatility. 265 00:16:36,000 --> 00:16:39,160 Speaker 1: It's interesting that that it's very difficult I find I 266 00:16:39,560 --> 00:16:42,840 Speaker 1: found to predict the direction a stock is going to 267 00:16:42,920 --> 00:16:46,680 Speaker 1: go up put down. But it seems to be easier 268 00:16:46,800 --> 00:16:49,080 Speaker 1: and there are statistical reasons for this, actually, but it 269 00:16:49,120 --> 00:16:52,720 Speaker 1: seems to be easier to to forecast volatility. How much 270 00:16:53,040 --> 00:16:55,800 Speaker 1: noise there in there is in a stock. So you 271 00:16:55,880 --> 00:16:59,400 Speaker 1: put a counterintuitive though, that it's harder to find the 272 00:16:59,440 --> 00:17:01,880 Speaker 1: signal and to use you the noise. Yes, I can 273 00:17:01,920 --> 00:17:04,800 Speaker 1: see that, but at the same time, you can see 274 00:17:04,800 --> 00:17:08,960 Speaker 1: what the market is sort of thinking volatility is because options, 275 00:17:09,040 --> 00:17:14,119 Speaker 1: the valuation of options hinges upon estimation of volatility. So 276 00:17:14,160 --> 00:17:17,359 Speaker 1: you can say, oh, here's a core option, what volatility 277 00:17:17,400 --> 00:17:19,639 Speaker 1: are they plugging into? The famous black shows formed to 278 00:17:19,680 --> 00:17:21,919 Speaker 1: give that that price that you see in the market, 279 00:17:22,280 --> 00:17:23,800 Speaker 1: and so you can you can back out a thing 280 00:17:23,800 --> 00:17:26,160 Speaker 1: called implied volatility, which is sort of a bit like 281 00:17:26,200 --> 00:17:30,760 Speaker 1: what the market thinks. So you look around for when 282 00:17:30,960 --> 00:17:35,560 Speaker 1: is the implied volatility different sufficiently different? From your forecast 283 00:17:35,640 --> 00:17:38,600 Speaker 1: volatility and if they're different, and if you just happen 284 00:17:38,680 --> 00:17:41,800 Speaker 1: to be right, then you can make some money. So 285 00:17:42,000 --> 00:17:48,040 Speaker 1: that complex it's it's the purest sort of volatility arbitrage. 286 00:17:48,600 --> 00:17:54,800 Speaker 1: I'm betting my forecasts against the markets forecasts essentially is 287 00:17:54,840 --> 00:17:56,600 Speaker 1: what is what it amounts to? So in not so 288 00:17:56,720 --> 00:17:59,680 Speaker 1: efficient market, not so efficient, not so efficient. I don't 289 00:17:59,680 --> 00:18:02,439 Speaker 1: think believes in efficient markets. Who's listening to this program 290 00:18:02,480 --> 00:18:06,359 Speaker 1: to UM? I think there are a decent number. It's 291 00:18:06,359 --> 00:18:09,240 Speaker 1: it's a really interesting point because I think there are 292 00:18:09,280 --> 00:18:13,960 Speaker 1: a number of people who say, um. Look, cliff as Nests, 293 00:18:14,080 --> 00:18:17,960 Speaker 1: who runs a q R Gene Fama was his PhD 294 00:18:18,200 --> 00:18:22,119 Speaker 1: dissertation advisor and Fama's credit. He said, hey, if you 295 00:18:22,160 --> 00:18:25,240 Speaker 1: want to go out and prove factors work, I'll I'm 296 00:18:25,240 --> 00:18:28,919 Speaker 1: happy with that. So we know the market is kind 297 00:18:28,920 --> 00:18:32,960 Speaker 1: of a sort of mostly eventually efficient. Is that? Is 298 00:18:32,960 --> 00:18:35,680 Speaker 1: that a fair way to describe it? Not necessarily. It 299 00:18:35,920 --> 00:18:40,359 Speaker 1: depends where there's any mechanism for for removing any efficiency. 300 00:18:40,400 --> 00:18:42,440 Speaker 1: People just say oh that, you know, people say things 301 00:18:42,440 --> 00:18:45,160 Speaker 1: like the markets always right, and well, we know that's 302 00:18:45,280 --> 00:18:49,560 Speaker 1: certainly not How how could the market be twenty three 303 00:18:49,680 --> 00:18:52,560 Speaker 1: percent lower the day after the crash. Was it right 304 00:18:52,600 --> 00:18:54,520 Speaker 1: the day before? Was it right the day after? Is 305 00:18:54,520 --> 00:18:57,120 Speaker 1: it wrong both times? It's kind of hard to say 306 00:18:57,119 --> 00:18:59,800 Speaker 1: the market is always right right. Well. One then example 307 00:18:59,840 --> 00:19:03,199 Speaker 1: I I sometimes give my students is about uses the 308 00:19:03,240 --> 00:19:05,879 Speaker 1: idea of car insurance. For example, suppose you've got a 309 00:19:05,920 --> 00:19:09,119 Speaker 1: twenty thousand dollar car and your annual car insurance is 310 00:19:09,200 --> 00:19:13,200 Speaker 1: let's new simple numbers a thousand dollars. A quant would say, oh, 311 00:19:13,280 --> 00:19:15,080 Speaker 1: it's a twenty thousand dollar car. It's a thousand dollar 312 00:19:15,119 --> 00:19:16,680 Speaker 1: car in shoans are that means must be a five 313 00:19:16,680 --> 00:19:19,800 Speaker 1: percent chance of crashing. And because they're missing out from 314 00:19:19,880 --> 00:19:22,400 Speaker 1: that five fence the fact that the insurance company needs 315 00:19:22,400 --> 00:19:25,480 Speaker 1: to make a profit, I'm not doing things all sorts 316 00:19:25,480 --> 00:19:28,919 Speaker 1: of things. So so the way your typical quant or 317 00:19:29,800 --> 00:19:34,720 Speaker 1: um Chicago finance professor looks at things is in a 318 00:19:34,800 --> 00:19:37,040 Speaker 1: very pure way that sort of misses all the fun. 319 00:19:37,400 --> 00:19:40,639 Speaker 1: What I think, and as I've said before, I've been 320 00:19:40,720 --> 00:19:44,439 Speaker 1: running businesses since I was a child, virtually, and the 321 00:19:44,480 --> 00:19:47,480 Speaker 1: business side of things is what makes things interesting. And 322 00:19:48,080 --> 00:19:51,240 Speaker 1: so when we approach this sort of going back to 323 00:19:51,280 --> 00:19:56,479 Speaker 1: volatility arbitrage, you'd be amazed at if you look at 324 00:19:56,480 --> 00:19:59,960 Speaker 1: the literature. The there must be tens of thousands of 325 00:20:00,040 --> 00:20:07,359 Speaker 1: papers which talk about how to how to back out 326 00:20:07,720 --> 00:20:10,879 Speaker 1: from from market prices, what the implied vault inty is, 327 00:20:10,880 --> 00:20:13,600 Speaker 1: and how they assume that the implied volatility is right, 328 00:20:13,680 --> 00:20:16,320 Speaker 1: that the market knows, the market has a crystal ball, 329 00:20:16,359 --> 00:20:18,560 Speaker 1: it knows what vaults is going to be. Must be 330 00:20:18,640 --> 00:20:21,720 Speaker 1: tens of thousands. How many papers are there which say, well, 331 00:20:21,800 --> 00:20:24,800 Speaker 1: you know what, what if the market is wrong and 332 00:20:24,880 --> 00:20:28,000 Speaker 1: the volatility, the real volatility is different from implied volatility, 333 00:20:28,400 --> 00:20:32,919 Speaker 1: how can you make money? Then that's the underlying strategy, 334 00:20:30,760 --> 00:20:36,560 Speaker 1: that said Catholic. That must must be half a dozen papers, 335 00:20:36,720 --> 00:20:39,399 Speaker 1: and surely that's the most important thing. We've got an option. 336 00:20:39,720 --> 00:20:42,119 Speaker 1: The question is what am I going to do with this? 337 00:20:42,320 --> 00:20:44,000 Speaker 1: I could hedge with it, or I could make money 338 00:20:44,040 --> 00:20:47,320 Speaker 1: from it, and then just half a dozen papers on 339 00:20:47,359 --> 00:20:50,000 Speaker 1: how to make money. So so, how did the hedge 340 00:20:50,040 --> 00:20:54,280 Speaker 1: fund do? The hedge fund was did did wonderfully for 341 00:20:54,400 --> 00:20:57,959 Speaker 1: it's its lifespan of three years, which I believe is 342 00:20:57,960 --> 00:21:01,000 Speaker 1: is the average lifespan of a hedge fund. And and 343 00:21:01,040 --> 00:21:03,040 Speaker 1: so at the end of the three years, you basically 344 00:21:03,080 --> 00:21:06,560 Speaker 1: tapped out and said I'm going to go back to writing. Well, 345 00:21:06,600 --> 00:21:08,720 Speaker 1: I I learned a lot from that that hedge fund, 346 00:21:08,920 --> 00:21:11,679 Speaker 1: a lot of things about not just about hedge funds, 347 00:21:11,720 --> 00:21:16,120 Speaker 1: but also about about myself. I found that very interesting 348 00:21:16,160 --> 00:21:19,800 Speaker 1: because the Hedgeman was based in New York um and 349 00:21:19,800 --> 00:21:22,199 Speaker 1: where were you located was located in London, so there 350 00:21:22,280 --> 00:21:25,040 Speaker 1: was this five hour time difference, and just as things 351 00:21:25,040 --> 00:21:28,320 Speaker 1: were getting interested New York was when I was sitting 352 00:21:28,359 --> 00:21:30,080 Speaker 1: down to dinner or onting to go to bed or 353 00:21:30,119 --> 00:21:32,960 Speaker 1: something like that. So that was kind of frustrating. Let's 354 00:21:32,960 --> 00:21:37,159 Speaker 1: talk about the Wilmot business model. So you run the website, 355 00:21:37,480 --> 00:21:41,399 Speaker 1: you have a print magazine, you have a Paul and 356 00:21:41,440 --> 00:21:45,040 Speaker 1: Dominic quant recruitment, the book, which we all know is 357 00:21:45,119 --> 00:21:48,639 Speaker 1: books or giant money makers. What is your business model 358 00:21:49,080 --> 00:21:53,280 Speaker 1: as quant expert. Well that the Poul and Dominics doesn't 359 00:21:53,280 --> 00:21:56,760 Speaker 1: exist anymore. That's but the and also there was the 360 00:21:57,640 --> 00:22:00,160 Speaker 1: we talked about the world's largest quant website. It's also 361 00:22:00,160 --> 00:22:03,600 Speaker 1: apparently the world's most expensive magazine. I've been told. I 362 00:22:03,640 --> 00:22:07,280 Speaker 1: don't know that's true or what's the magazine costs. It's 363 00:22:07,280 --> 00:22:10,200 Speaker 1: not six hundred dollars for six issues. I don't think 364 00:22:10,240 --> 00:22:13,119 Speaker 1: that's terribly expensive, and I looked it up. It's not 365 00:22:13,160 --> 00:22:14,760 Speaker 1: actually this And if you look at some of the 366 00:22:14,840 --> 00:22:17,399 Speaker 1: like the medical journals and stuff, these are thousands of 367 00:22:17,920 --> 00:22:19,760 Speaker 1: In fact, there was a big article not too long 368 00:22:19,800 --> 00:22:23,200 Speaker 1: ago about what used to be academic research now sells 369 00:22:23,240 --> 00:22:25,960 Speaker 1: for thousands of dollars and there's two companies that have 370 00:22:26,080 --> 00:22:29,359 Speaker 1: sucked up all these formally free publication. And that that 371 00:22:29,600 --> 00:22:31,720 Speaker 1: was a quote from Esquire magazine. So I'd just like 372 00:22:31,800 --> 00:22:35,760 Speaker 1: to repeat that it's not very useful in marketing, though 373 00:22:35,920 --> 00:22:38,320 Speaker 1: there was until recently, well there still is. The Certificate 374 00:22:38,320 --> 00:22:41,560 Speaker 1: and Quantitative Finance that that is is the world's largest 375 00:22:41,640 --> 00:22:45,120 Speaker 1: high level quant education with a company called seven City. 376 00:22:45,320 --> 00:22:47,920 Speaker 1: This CQF was was founded with a company called seven 377 00:22:47,920 --> 00:22:51,960 Speaker 1: City Learning two thousands three was it. But it was 378 00:22:52,000 --> 00:22:55,159 Speaker 1: sold up to Fitch about three or four years. So, 379 00:22:56,000 --> 00:22:58,280 Speaker 1: but what is the business model? The business model, Well, 380 00:22:58,320 --> 00:23:01,439 Speaker 1: my whole business model all my life has been do 381 00:23:01,600 --> 00:23:05,119 Speaker 1: something which is fun and then and then I accidentally 382 00:23:05,240 --> 00:23:07,520 Speaker 1: or I always have this urge to turn things into 383 00:23:07,680 --> 00:23:10,080 Speaker 1: into businesses. It's not a it's not a greed thing. 384 00:23:10,119 --> 00:23:13,200 Speaker 1: It's an enthusiasm. Think. It's almost like I've got some hobby. 385 00:23:13,280 --> 00:23:16,400 Speaker 1: I'd like to make it public. It becomes more long 386 00:23:16,520 --> 00:23:20,240 Speaker 1: last thing and sustainable if there's a revenue stream behind it. Yeah, 387 00:23:20,280 --> 00:23:21,680 Speaker 1: I don't think of it like that, you know, it's 388 00:23:21,680 --> 00:23:24,080 Speaker 1: just sort of is something in my DNA that says, 389 00:23:24,280 --> 00:23:27,800 Speaker 1: you know, for example, I've started to learn the ukulele 390 00:23:27,880 --> 00:23:30,040 Speaker 1: a few years ago, and I just know sometime in 391 00:23:30,080 --> 00:23:32,080 Speaker 1: my life there will be a time when I'm on 392 00:23:32,080 --> 00:23:34,080 Speaker 1: a stage and people are paying money to listen to 393 00:23:34,080 --> 00:23:35,560 Speaker 1: me play the ukule I'm going to take the other 394 00:23:35,560 --> 00:23:37,879 Speaker 1: side of that trade. You should hedge that bet because 395 00:23:37,880 --> 00:23:39,640 Speaker 1: I don't see that happen. No, No, like, yeah, I'm 396 00:23:39,640 --> 00:23:41,840 Speaker 1: pretty good, I'm getting I'm getting that, I'm getting. No, 397 00:23:41,920 --> 00:23:44,000 Speaker 1: it's not. It has to do with your skill set. 398 00:23:44,320 --> 00:23:47,000 Speaker 1: It has to do with the demand ukulele. Before you'd 399 00:23:47,000 --> 00:23:50,040 Speaker 1: be surprised. I would be surprised. It is the instrument. 400 00:23:50,080 --> 00:23:52,520 Speaker 1: All the schools are taking up ukule because it's I'm 401 00:23:52,520 --> 00:23:55,200 Speaker 1: on the other side of that trade. Also, what did 402 00:23:55,200 --> 00:23:58,600 Speaker 1: you learn at school? Trombone and piano. I want to 403 00:23:58,600 --> 00:24:00,639 Speaker 1: do the trombone, but they would hate it the trombone 404 00:24:01,160 --> 00:24:03,840 Speaker 1: because at least the piano there's a distinct key for 405 00:24:03,880 --> 00:24:06,919 Speaker 1: each note the trombone. As a ten year old, you 406 00:24:06,960 --> 00:24:09,840 Speaker 1: have to have an year, no when you're more or less. 407 00:24:10,320 --> 00:24:12,280 Speaker 1: And I had a pretty good year, but not that good. 408 00:24:12,400 --> 00:24:15,120 Speaker 1: But they at schools in the UK, at least they 409 00:24:15,520 --> 00:24:20,199 Speaker 1: traditionally learned the recorder. You know, three we all did that, okay, 410 00:24:20,240 --> 00:24:23,280 Speaker 1: But now the ukulele is replacing the recorder because really 411 00:24:23,480 --> 00:24:26,920 Speaker 1: because it's it's easier, you know, you can really really 412 00:24:26,960 --> 00:24:30,120 Speaker 1: ten minutes. I should have brought it. I'm sorry you didn't. 413 00:24:30,160 --> 00:24:32,200 Speaker 1: That would have been next time, next time. Why do 414 00:24:32,280 --> 00:24:35,199 Speaker 1: we get into this business models? Right, you're gonna you're 415 00:24:35,200 --> 00:24:39,719 Speaker 1: gonna monetize ukulele and performance. But but I've always been 416 00:24:39,800 --> 00:24:44,680 Speaker 1: like that, and so I've going back to the late eighties. 417 00:24:44,760 --> 00:24:48,800 Speaker 1: I was doing some research with with colleagues at university 418 00:24:49,080 --> 00:24:52,159 Speaker 1: and we thought, let's let's why do we give some 419 00:24:52,240 --> 00:24:55,359 Speaker 1: courses on teach people in the city, and they just 420 00:24:55,480 --> 00:24:58,720 Speaker 1: was phenomenally successful. So we set up a business which 421 00:24:58,840 --> 00:25:01,000 Speaker 1: and then and then we turn into a book and 422 00:25:01,040 --> 00:25:03,960 Speaker 1: it was it was suggested, why don't we self published 423 00:25:03,960 --> 00:25:05,920 Speaker 1: this book? So rather than just could hand the book 424 00:25:05,960 --> 00:25:08,760 Speaker 1: over to a publisher, we actually published it in printing, etcetera. 425 00:25:08,800 --> 00:25:12,480 Speaker 1: And and my mother and my stepfather were in charge 426 00:25:12,480 --> 00:25:15,280 Speaker 1: of sales. So my poor mother. We we put in 427 00:25:15,280 --> 00:25:19,679 Speaker 1: the advertising. We'd say twenty four hour facts hotline, um, 428 00:25:19,800 --> 00:25:21,800 Speaker 1: so her phone would be ringing. And how did the 429 00:25:21,840 --> 00:25:24,879 Speaker 1: book sell? Oh? Incredibly well it was. It was. It 430 00:25:24,960 --> 00:25:28,560 Speaker 1: was just unbelievably considered. We did hardly any advertising. This 431 00:25:28,600 --> 00:25:31,600 Speaker 1: is before Amazon. It did it incredibly well by word 432 00:25:31,600 --> 00:25:33,680 Speaker 1: of mouth and even before the book came out, people 433 00:25:33,800 --> 00:25:36,639 Speaker 1: talking about it. People I think the things. People were 434 00:25:36,640 --> 00:25:41,080 Speaker 1: paying something like tund fifty dollars for a hard copy 435 00:25:41,160 --> 00:25:44,399 Speaker 1: that you had to cut and paste the pictures into 436 00:25:44,440 --> 00:25:46,199 Speaker 1: the text. And I don't mean cutting paste like you do, 437 00:25:46,320 --> 00:25:49,439 Speaker 1: you know with the with the mouse, physically scissors and glue. 438 00:25:49,840 --> 00:25:52,440 Speaker 1: So they would get two piles. They get the with 439 00:25:52,440 --> 00:25:55,240 Speaker 1: without the images, and their separate parlem with the images, 440 00:25:55,240 --> 00:25:57,120 Speaker 1: and they paid two fifty dollars to stick the two together. 441 00:25:57,160 --> 00:26:01,359 Speaker 1: And this was on quantitative finance Fast and this was 442 00:26:01,480 --> 00:26:04,919 Speaker 1: way early in the rise of the quants. This is 443 00:26:05,040 --> 00:26:08,760 Speaker 1: this is ninety two. Okay, So so there were there 444 00:26:08,760 --> 00:26:10,639 Speaker 1: are a third fourth inning. You know, there are a 445 00:26:10,640 --> 00:26:12,800 Speaker 1: few books out there, but this one was a different 446 00:26:12,800 --> 00:26:15,200 Speaker 1: style of book. And then from them it turned into 447 00:26:15,240 --> 00:26:19,480 Speaker 1: software companies, more publishing, et Ceteraally, just were you selling 448 00:26:19,480 --> 00:26:22,800 Speaker 1: this in the UK in the US worldwide? Well, yeah, 449 00:26:22,840 --> 00:26:25,680 Speaker 1: my mother and the fax machines. Yea, yeah worldwide. We 450 00:26:25,680 --> 00:26:29,520 Speaker 1: we we we we we had. We would give courses 451 00:26:29,560 --> 00:26:32,920 Speaker 1: in down in Wall streets and we would bring over 452 00:26:33,000 --> 00:26:35,200 Speaker 1: from the UK boxes full of these books to get 453 00:26:35,200 --> 00:26:37,960 Speaker 1: to sell to people on on the on the courses 454 00:26:38,320 --> 00:26:41,600 Speaker 1: and you'd sell them all out, sell them that every time. Um, 455 00:26:41,640 --> 00:26:44,560 Speaker 1: that's pretty fascinating. Do you still self published because you 456 00:26:44,600 --> 00:26:48,000 Speaker 1: have a number of books to your credit? This is Wiley? 457 00:26:48,200 --> 00:26:52,679 Speaker 1: But what the money formula? But the other quantitative finance 458 00:26:52,680 --> 00:26:57,000 Speaker 1: books are as as you mentioned earlier, You're hinted earlier 459 00:26:57,000 --> 00:26:59,080 Speaker 1: you don't make a lot of money usually from from books, 460 00:26:59,480 --> 00:27:03,399 Speaker 1: unless of J. K. Rolling or someone. Um, So that 461 00:27:03,640 --> 00:27:06,520 Speaker 1: there came a point where the it was there are 462 00:27:06,560 --> 00:27:10,080 Speaker 1: other things that were more profitable, more successful, and the 463 00:27:10,560 --> 00:27:14,600 Speaker 1: books became more of a hobby or a publicity marketing 464 00:27:14,600 --> 00:27:20,480 Speaker 1: tool really or financial models making people overconfident and reckless 465 00:27:20,480 --> 00:27:21,760 Speaker 1: in how they behave in the mark. Well, I don't 466 00:27:21,760 --> 00:27:23,320 Speaker 1: know where it's true or not, but that I suddenly 467 00:27:23,359 --> 00:27:28,520 Speaker 1: heard that that actually the accidents involving pedestrians and cyclists 468 00:27:28,520 --> 00:27:31,199 Speaker 1: have gone up for exactly saying that because no, no, no, no, 469 00:27:31,240 --> 00:27:33,639 Speaker 1: because of because people feel safe in their car and 470 00:27:33,680 --> 00:27:37,360 Speaker 1: they've got all these these these cushions and whatnot, they're 471 00:27:37,440 --> 00:27:40,639 Speaker 1: less likely to be injured. But people drive faster and 472 00:27:40,680 --> 00:27:43,480 Speaker 1: so they kill more pedestrians. So my assumption is their 473 00:27:43,600 --> 00:27:47,800 Speaker 1: texting when they're hitting bi but the or the pedestrians 474 00:27:47,840 --> 00:27:50,080 Speaker 1: are playing with their phones. No, it could be, could be, 475 00:27:50,160 --> 00:27:53,879 Speaker 1: could be pedestrians. An't they awful? Um? It depends. It's subjective. 476 00:27:53,920 --> 00:27:56,239 Speaker 1: When you're driving a car, they're awful. And when you're 477 00:27:56,280 --> 00:27:59,840 Speaker 1: a pedestrian. Look at these crazy drives cyclists, cyclists in 478 00:28:00,040 --> 00:28:03,320 Speaker 1: Manhattan horrifying. You know you can cut all that out. 479 00:28:03,520 --> 00:28:07,480 Speaker 1: We get to try that's great stuff. The yeah, that 480 00:28:07,960 --> 00:28:10,360 Speaker 1: what you should do. Of course, it's just stick knives 481 00:28:10,400 --> 00:28:12,679 Speaker 1: in the in the in the steering wheel period of all. 482 00:28:12,720 --> 00:28:16,000 Speaker 1: And then you drive very very safely. Then we just 483 00:28:16,000 --> 00:28:20,399 Speaker 1: get a middle thing over your chest and can you do? 484 00:28:20,480 --> 00:28:22,439 Speaker 1: What can you do? It's um and you'd have to 485 00:28:22,520 --> 00:28:24,560 Speaker 1: make sure it doesn't pop up and catch you any 486 00:28:24,960 --> 00:28:28,520 Speaker 1: but but it's it's it's I do again. Going back 487 00:28:28,560 --> 00:28:33,920 Speaker 1: to regulators regulators don't. They don't understand. There's a story 488 00:28:33,960 --> 00:28:36,120 Speaker 1: I could tell, but it involves it's far too technical, 489 00:28:36,480 --> 00:28:39,040 Speaker 1: but there's some some practice that people do in banks 490 00:28:39,080 --> 00:28:41,880 Speaker 1: called calibration. You don't need to know this, but it's 491 00:28:42,040 --> 00:28:47,120 Speaker 1: something that superficially it looks like it's a good mathematical model, 492 00:28:47,120 --> 00:28:50,280 Speaker 1: but what it actually does is it it hides risk. 493 00:28:50,360 --> 00:28:54,920 Speaker 1: It makes it any model risk that's there gets hidden 494 00:28:54,920 --> 00:28:58,120 Speaker 1: by this act of calibration. And when I've spoken to regulators, 495 00:28:58,120 --> 00:29:01,320 Speaker 1: they don't really really understand that what these people who 496 00:29:01,320 --> 00:29:03,760 Speaker 1: are calibrating it doing is hiding risk. And said they 497 00:29:03,800 --> 00:29:06,920 Speaker 1: go around telling the thanks you must calibrate, which is 498 00:29:06,920 --> 00:29:09,719 Speaker 1: like saying you must hide risk, which is really not 499 00:29:09,760 --> 00:29:11,920 Speaker 1: what regulators are supposed to be doing. So let's talk 500 00:29:11,920 --> 00:29:16,480 Speaker 1: about your wish list when it comes to better regulations, 501 00:29:16,520 --> 00:29:20,120 Speaker 1: better education. And I believe in the book you call 502 00:29:20,160 --> 00:29:23,760 Speaker 1: it negative bonuses. So what would your what would your 503 00:29:23,760 --> 00:29:27,000 Speaker 1: wish list be? Well, obviously more people should go to prison, 504 00:29:28,120 --> 00:29:33,000 Speaker 1: bonuses about some people should, that's the start. The bonus 505 00:29:33,080 --> 00:29:36,600 Speaker 1: is taken away. But lots of people get paid stupid money. 506 00:29:36,600 --> 00:29:39,840 Speaker 1: I like CEOs of companies getting stupid money, especially in 507 00:29:39,880 --> 00:29:42,240 Speaker 1: the because they went to the same school as some 508 00:29:42,320 --> 00:29:46,480 Speaker 1: other CEO. That's pretty A number of people have blamed 509 00:29:46,520 --> 00:29:52,280 Speaker 1: the compensation consultants for using se as their frame of reference. Oh, 510 00:29:52,360 --> 00:29:55,880 Speaker 1: let's compare to the seventy I all of other CEOs. 511 00:29:55,920 --> 00:29:58,280 Speaker 1: Why why why are you assuming you're better than most 512 00:29:58,360 --> 00:30:00,600 Speaker 1: of the other CEOs out there, So you have this 513 00:30:00,680 --> 00:30:04,560 Speaker 1: horrible upward spiral. It's terrible. It's terrible, but also not 514 00:30:04,680 --> 00:30:06,720 Speaker 1: for them, but for the rest of Yeah, yeah, yeah, yeah. 515 00:30:06,960 --> 00:30:09,520 Speaker 1: In the in the in the book, we talk about 516 00:30:09,600 --> 00:30:11,480 Speaker 1: having something like the you know, the f A A 517 00:30:12,200 --> 00:30:16,960 Speaker 1: who regulated planes, something like that for banking and complex 518 00:30:17,000 --> 00:30:20,640 Speaker 1: financial products. The analogy is that whenever you have a 519 00:30:20,640 --> 00:30:23,160 Speaker 1: new plane, it has to be tested, etcetera, etcetera. Well, 520 00:30:23,200 --> 00:30:24,760 Speaker 1: if you have a new financial product, it has it 521 00:30:24,760 --> 00:30:27,560 Speaker 1: should be tested by some people. Um, you can't have 522 00:30:27,600 --> 00:30:29,880 Speaker 1: too many of these of this specific you can't have 523 00:30:29,920 --> 00:30:32,400 Speaker 1: too much concentration risk, just like you can't have too 524 00:30:32,400 --> 00:30:34,520 Speaker 1: many planes landing the same up at the same time. 525 00:30:34,720 --> 00:30:37,320 Speaker 1: So in all sorts of analogies we draw between the 526 00:30:37,120 --> 00:30:41,480 Speaker 1: the airline business and the world of banking. And of 527 00:30:41,520 --> 00:30:44,680 Speaker 1: course it's an international thing. Planes take off one country, 528 00:30:44,760 --> 00:30:47,520 Speaker 1: land another country, well, how hard can it be to 529 00:30:47,600 --> 00:30:52,160 Speaker 1: have an international perspective to the banking regulation? And I 530 00:30:52,240 --> 00:30:54,800 Speaker 1: have to ask, since you brought it up earlier, what 531 00:30:55,080 --> 00:30:59,360 Speaker 1: motivated you and Professor Emmanuel German at Colombia and formally 532 00:30:59,720 --> 00:31:04,800 Speaker 1: of Alman Sachs to write the Financial Modelers Manifesto. Well, 533 00:31:05,040 --> 00:31:08,760 Speaker 1: he and I both had pretty much the same um 534 00:31:10,000 --> 00:31:13,000 Speaker 1: I thought at the same time about and we both 535 00:31:13,640 --> 00:31:18,800 Speaker 1: been very skeptical about mathematical models. There's one subtle difference though, 536 00:31:19,760 --> 00:31:22,320 Speaker 1: and that is Emmanuel Down hasn't his name attached to one, 537 00:31:23,200 --> 00:31:24,960 Speaker 1: which means he's kind of got a bit of skin 538 00:31:24,960 --> 00:31:27,160 Speaker 1: in the game that which I haven't got. So I 539 00:31:27,200 --> 00:31:30,960 Speaker 1: can be slightly more, you know, than he can if 540 00:31:30,960 --> 00:31:33,840 Speaker 1: you if you catch my drift anyway. Um, but both 541 00:31:33,880 --> 00:31:38,840 Speaker 1: of us are very skeptical about about the what quantz 542 00:31:38,960 --> 00:31:42,520 Speaker 1: doing risk managers in banks and hedge funds. And it 543 00:31:42,640 --> 00:31:45,520 Speaker 1: was shortly after the crisis that we we both had 544 00:31:45,680 --> 00:31:49,880 Speaker 1: apparently independently, thought we should write something, which is, we 545 00:31:50,000 --> 00:31:53,160 Speaker 1: teamed up and it was a combination of Karl Marx 546 00:31:53,840 --> 00:31:57,120 Speaker 1: and the hippocratic oath that we've We've we've got our 547 00:31:57,160 --> 00:32:01,760 Speaker 1: inspiration first, do no harm. Yes, we have been speaking 548 00:32:01,800 --> 00:32:06,120 Speaker 1: with Paul Wilmott. He is a expert in quantitative finance. 549 00:32:06,640 --> 00:32:10,600 Speaker 1: We love your comments, feedback and suggestions right to us 550 00:32:10,640 --> 00:32:14,480 Speaker 1: at m IB podcast at Bloomberg dot net. Check out 551 00:32:14,520 --> 00:32:17,600 Speaker 1: my daily column on Bloomberg View dot com. You could 552 00:32:17,640 --> 00:32:21,680 Speaker 1: follow me on Twitter at Rid Halts. I'm Barry Ri Halts. 553 00:32:21,720 --> 00:32:39,040 Speaker 1: You're listening to Master's in Business on Bloomberg Radio. Welcome 554 00:32:39,080 --> 00:32:41,040 Speaker 1: to the podcast, Paul, Thank you so much for doing this. 555 00:32:41,200 --> 00:32:44,280 Speaker 1: I'm I've been looking forward to having this conversation. I 556 00:32:44,280 --> 00:32:47,640 Speaker 1: wish I can keep you for another couple of hours. Um, 557 00:32:47,640 --> 00:32:50,520 Speaker 1: but I have to get to at least two questions 558 00:32:50,560 --> 00:32:54,880 Speaker 1: before I jump to my standard questions. This is This 559 00:32:54,960 --> 00:32:58,280 Speaker 1: is from the book The notional value of derivatives in 560 00:32:59,800 --> 00:33:05,000 Speaker 1: was one point to quadrillion dollars. Is that correct? Yes? 561 00:33:05,240 --> 00:33:08,240 Speaker 1: Are we still in any sort of risk from a 562 00:33:08,360 --> 00:33:13,160 Speaker 1: blow up in derivatives? My my assumption is most of 563 00:33:13,360 --> 00:33:18,160 Speaker 1: that one point to quadrillion offsets itself. What is the 564 00:33:18,280 --> 00:33:23,960 Speaker 1: actual amount that has us at any sort of risk? 565 00:33:24,200 --> 00:33:26,840 Speaker 1: It's it's hard to tell, because yes, that that is notional, 566 00:33:27,080 --> 00:33:29,120 Speaker 1: So it could be that you might have that could 567 00:33:29,160 --> 00:33:33,320 Speaker 1: be one point two million million quadrillion in swaps, so 568 00:33:33,400 --> 00:33:35,800 Speaker 1: that it might just be one percent of that is 569 00:33:35,840 --> 00:33:40,160 Speaker 1: a risk um which I hustled, not nothing. However, you 570 00:33:40,200 --> 00:33:44,040 Speaker 1: can exactly however you can calculate it's it's too large 571 00:33:44,080 --> 00:33:46,920 Speaker 1: because it's that one point to quadrillion. If you can 572 00:33:46,960 --> 00:33:50,000 Speaker 1: take of zero two, you're still left with something which 573 00:33:50,040 --> 00:33:53,680 Speaker 1: is which is and the world the GDP of the world, 574 00:33:53,680 --> 00:33:56,320 Speaker 1: it's some like fifty trillion. So's it's the wrong way around. 575 00:33:56,320 --> 00:33:58,640 Speaker 1: It's almost like finance is supposed to be in the 576 00:33:58,680 --> 00:34:01,640 Speaker 1: service industry, but it's almost like people are making chairs 577 00:34:01,640 --> 00:34:05,760 Speaker 1: and tables and whatever just to keep the finance industry going. 578 00:34:06,080 --> 00:34:09,640 Speaker 1: Because the numbers, the tail is working one percent is 579 00:34:09,640 --> 00:34:11,480 Speaker 1: what a hundred and twenty billion? Is that what we're 580 00:34:11,480 --> 00:34:18,399 Speaker 1: talking about off of one drillion, twelve trillion, twelve trillion? Yes, yes, 581 00:34:18,440 --> 00:34:21,440 Speaker 1: and yes, So that's still that's still a quarter of 582 00:34:21,480 --> 00:34:23,640 Speaker 1: the world's GDP even if you take off two zero, 583 00:34:23,719 --> 00:34:29,520 Speaker 1: the numbers, numbers are just mind bargling. And there are 584 00:34:29,560 --> 00:34:32,480 Speaker 1: all these Since you were running a volatility hedge fund, 585 00:34:32,560 --> 00:34:34,520 Speaker 1: one of the questions I forgot to ask you before, 586 00:34:34,880 --> 00:34:39,000 Speaker 1: there are currently all these short volatility products outright there. 587 00:34:39,440 --> 00:34:42,279 Speaker 1: What what are your thoughts on news. Well, in our 588 00:34:42,320 --> 00:34:47,080 Speaker 1: experience that it was definitely the case that options tended 589 00:34:47,120 --> 00:34:50,440 Speaker 1: to be overpriced. So in terms of of of a strategy, 590 00:34:50,880 --> 00:34:54,400 Speaker 1: he would be selling vanilla options because they're overpriced. But 591 00:34:54,560 --> 00:34:57,560 Speaker 1: the problem is selling options is when you have some 592 00:34:57,640 --> 00:35:00,920 Speaker 1: extreme events, then you just blow up. So you need 593 00:35:00,960 --> 00:35:02,920 Speaker 1: to make sure that you've got plenty of tail protection 594 00:35:03,040 --> 00:35:05,000 Speaker 1: in case what happens, which is something that we we 595 00:35:05,080 --> 00:35:08,360 Speaker 1: specialized in, and that's why your friends with no seemed 596 00:35:08,360 --> 00:35:12,400 Speaker 1: to leave. Indeed, we get way back. I recall having 597 00:35:12,400 --> 00:35:15,239 Speaker 1: a lunch with him. It was just three of us 598 00:35:16,000 --> 00:35:18,920 Speaker 1: in the middle of the financial crisis. That had to 599 00:35:18,960 --> 00:35:22,160 Speaker 1: be the summer of oh eight before A, I, G. 600 00:35:22,320 --> 00:35:25,200 Speaker 1: And Lehman blew up and we were I can't even 601 00:35:25,200 --> 00:35:29,760 Speaker 1: tell you. The restaurant Callari ta Verna on Street. Normally 602 00:35:30,040 --> 00:35:32,239 Speaker 1: you have to make reservations a week in advance. We 603 00:35:32,360 --> 00:35:35,560 Speaker 1: walk in at one o'clock, it's empty. We sit right down. 604 00:35:35,600 --> 00:35:40,720 Speaker 1: The three of us were just laughing away. Um, he's 605 00:35:41,080 --> 00:35:44,480 Speaker 1: I don't have to tell you, he's incredibly entertaining, and 606 00:35:44,560 --> 00:35:49,719 Speaker 1: we were talking about specifically how parts of this were 607 00:35:49,719 --> 00:35:52,359 Speaker 1: so obvious coming down the pike, and no it's not 608 00:35:52,400 --> 00:35:55,880 Speaker 1: that people didn't see it. Nobody wanted to believe it. 609 00:35:55,880 --> 00:35:59,239 Speaker 1: It was quite quite astonishing. No, he's he's a very 610 00:35:59,239 --> 00:36:01,319 Speaker 1: interesting person. You have to be careful when you're aund 611 00:36:01,400 --> 00:36:05,200 Speaker 1: him because dramatic things always happen, yes, always, always. He's 612 00:36:05,200 --> 00:36:07,960 Speaker 1: a magnet. He'll be getting he'll be getting some text 613 00:36:08,000 --> 00:36:11,040 Speaker 1: messages which will tell about some of astronomical sales of 614 00:36:11,080 --> 00:36:13,480 Speaker 1: his books, or some deal he's involved in, or the 615 00:36:13,520 --> 00:36:17,080 Speaker 1: markets are doing something crazy. I was, I was with him. 616 00:36:17,200 --> 00:36:22,360 Speaker 1: I was with him September in by Liverpool Street station 617 00:36:22,880 --> 00:36:25,400 Speaker 1: when we got the phone call saying what happened? I 618 00:36:25,440 --> 00:36:28,640 Speaker 1: was with him. I think was July the seventh in 619 00:36:28,760 --> 00:36:32,000 Speaker 1: London a few years later when when we had four 620 00:36:32,040 --> 00:36:35,600 Speaker 1: bombs went off. We were giving a course that day, 621 00:36:35,200 --> 00:36:39,840 Speaker 1: and um, no, things happen around him with the same 622 00:36:39,920 --> 00:36:42,120 Speaker 1: It makes sense that he wrote The Black Swan because 623 00:36:42,239 --> 00:36:45,120 Speaker 1: he is he is a Black Swan. Yes, indeed he is. 624 00:36:45,320 --> 00:36:47,000 Speaker 1: So it's it's I wrotly. At the same time his 625 00:36:47,040 --> 00:36:49,160 Speaker 1: book came out, the film The Black Swan came out, 626 00:36:49,200 --> 00:36:52,520 Speaker 1: so if you google related completely. Um. So let's get 627 00:36:52,560 --> 00:36:54,960 Speaker 1: to some of our our favorite questions that we ask 628 00:36:55,040 --> 00:36:58,560 Speaker 1: all of our guests tell me the most important thing 629 00:36:58,920 --> 00:37:04,000 Speaker 1: people don't know about your background. I think it's I've 630 00:37:04,000 --> 00:37:08,000 Speaker 1: never had a job. Is true? That? Well, not really. 631 00:37:08,200 --> 00:37:09,440 Speaker 1: I had a job when I was when I was 632 00:37:09,440 --> 00:37:12,120 Speaker 1: seventeen for three weeks. Wait, I know you had a job. 633 00:37:12,200 --> 00:37:15,799 Speaker 1: You were a professional juggler. Oh, now you see, Well 634 00:37:15,800 --> 00:37:17,759 Speaker 1: I didn't have a boss. What I mean, I've never 635 00:37:17,800 --> 00:37:22,040 Speaker 1: really had a boss. I've been running business since since 636 00:37:22,080 --> 00:37:25,920 Speaker 1: I was about nine years old, including including the juggling 637 00:37:26,520 --> 00:37:28,600 Speaker 1: which is on your the bio and your website. I 638 00:37:28,600 --> 00:37:30,040 Speaker 1: saw that and I'm like, this has to be a 639 00:37:30,120 --> 00:37:38,040 Speaker 1: type out and her professional juggler, undercover investigator, first man 640 00:37:38,080 --> 00:37:42,560 Speaker 1: in the UK to obtain an online divorce. These are 641 00:37:42,600 --> 00:37:46,359 Speaker 1: these are rather unusual curriculum vitae details. It's not it's 642 00:37:46,480 --> 00:37:51,680 Speaker 1: it's because, yeah, I'm very bad at taking risks physically. 643 00:37:51,680 --> 00:37:53,919 Speaker 1: I don't take any physical risks. I don't take many 644 00:37:53,960 --> 00:37:56,840 Speaker 1: financial risks. But I'm happy to do any number of 645 00:37:56,920 --> 00:37:59,760 Speaker 1: reputational risks you can throw me. So that. For example, 646 00:38:00,960 --> 00:38:03,120 Speaker 1: two years ago and a friend of mine who works 647 00:38:03,160 --> 00:38:08,080 Speaker 1: for a Channel four TV channel in the UK, he 648 00:38:08,120 --> 00:38:12,280 Speaker 1: wanted he said he wanted to do some investigative undercover 649 00:38:12,440 --> 00:38:16,960 Speaker 1: thing to find out were the political parties in the 650 00:38:17,040 --> 00:38:19,560 Speaker 1: UK corrupt? If you offer the money, how far could 651 00:38:19,600 --> 00:38:24,000 Speaker 1: you get? Now, previously you would have someone pretend to 652 00:38:24,040 --> 00:38:25,640 Speaker 1: be someone, and they said they wanted to go a 653 00:38:25,680 --> 00:38:28,719 Speaker 1: step further in this age of Google, they won't to 654 00:38:28,719 --> 00:38:31,839 Speaker 1: have someone who was real, a real business person, person 655 00:38:31,880 --> 00:38:34,880 Speaker 1: who didn't mind making itself look stupid. And so he 656 00:38:34,920 --> 00:38:38,080 Speaker 1: thought of me, and so so for six months I 657 00:38:38,160 --> 00:38:41,160 Speaker 1: had to have meetings with all sorts of politicians of 658 00:38:41,200 --> 00:38:43,680 Speaker 1: the main parties in the UK and offer them money, 659 00:38:43,719 --> 00:38:46,359 Speaker 1: and offer them money and so and see how what 660 00:38:46,440 --> 00:38:48,920 Speaker 1: would happen, how far far I could go, all without 661 00:38:49,320 --> 00:38:53,280 Speaker 1: entrapping them, so that you know, and all often aren't 662 00:38:53,320 --> 00:38:56,600 Speaker 1: you at risk for committing a crime? In the United States, 663 00:38:56,640 --> 00:39:00,680 Speaker 1: offering an elected official cash to do your bidding is 664 00:39:00,680 --> 00:39:04,040 Speaker 1: a felony through a nuances here indeed, and they had 665 00:39:04,080 --> 00:39:07,160 Speaker 1: teams of lawyers because actually because it was a it 666 00:39:07,239 --> 00:39:09,480 Speaker 1: was a TV program or on the newspaper that the 667 00:39:09,520 --> 00:39:12,840 Speaker 1: TV channels have a very strict rules. So for example, 668 00:39:13,120 --> 00:39:17,160 Speaker 1: we couldn't do I ended up doing lots of hidden 669 00:39:17,160 --> 00:39:20,160 Speaker 1: cameras stuff. But you're not allowed to do that for 670 00:39:20,239 --> 00:39:22,920 Speaker 1: TV unless you've got grounds. So we did a lot 671 00:39:22,920 --> 00:39:26,080 Speaker 1: of prepriority stuff and we got some sort of dodgy 672 00:39:26,320 --> 00:39:29,520 Speaker 1: things which unfortunately never got recorded. And then I went 673 00:39:29,600 --> 00:39:32,319 Speaker 1: in with with the equipment on the had the pen 674 00:39:32,400 --> 00:39:34,640 Speaker 1: in the pocket, the thing in the in the in 675 00:39:34,680 --> 00:39:37,600 Speaker 1: the Did you catch anybody? Yeah, yeah, yeah there was 676 00:39:38,120 --> 00:39:40,760 Speaker 1: some somebody had to resign from the lived down party. 677 00:39:40,800 --> 00:39:43,239 Speaker 1: And so it's great fun. You know, we're coming to 678 00:39:43,239 --> 00:39:45,560 Speaker 1: the house of lords with hidden cameras. How do you 679 00:39:45,600 --> 00:39:47,880 Speaker 1: how do you smuggled hidden cameras into the into the government? 680 00:39:47,960 --> 00:39:49,800 Speaker 1: Now you have to go through a metal detector and 681 00:39:49,880 --> 00:39:53,120 Speaker 1: something else. It's harder to do that, exactly, exactly, all right. 682 00:39:54,440 --> 00:39:57,600 Speaker 1: So so you've never had a boss is the thing 683 00:39:57,640 --> 00:39:59,759 Speaker 1: most people don't know about you. But but I like 684 00:40:00,440 --> 00:40:03,960 Speaker 1: special investigator. Let's talk a little about some of your mentors. 685 00:40:03,960 --> 00:40:06,040 Speaker 1: Who are you? Who are the people who helped guide 686 00:40:06,080 --> 00:40:11,840 Speaker 1: your career a law? Well, the I guess the obviously 687 00:40:11,840 --> 00:40:15,920 Speaker 1: want my mother. My mother, she always she always encouraged 688 00:40:15,960 --> 00:40:19,440 Speaker 1: me to explains the undercover thing, encouraged me to do 689 00:40:19,560 --> 00:40:23,200 Speaker 1: things even though they might have frightened me. Again with 690 00:40:23,239 --> 00:40:26,480 Speaker 1: the caveat nothing physical. I always got out of games 691 00:40:26,480 --> 00:40:31,200 Speaker 1: at school just reputational risk. Yeah, yeah, anything. Yeah, I'm 692 00:40:31,200 --> 00:40:33,400 Speaker 1: going to draw the line of singing in public though. Okay, 693 00:40:33,480 --> 00:40:39,320 Speaker 1: that's so no karaoke, no, but not to carry oke. Um. 694 00:40:39,360 --> 00:40:42,080 Speaker 1: So so so I found that that's very helpful that 695 00:40:42,080 --> 00:40:46,120 Speaker 1: that if something frightens me, I think I've could do it. 696 00:40:46,160 --> 00:40:48,600 Speaker 1: Now it's frightening me, so I've got to do it. Um. 697 00:40:48,640 --> 00:40:51,480 Speaker 1: That's a good philosophy, I think. So. Um. And this 698 00:40:51,520 --> 00:40:53,680 Speaker 1: is way before that, that book Feel of Fear and 699 00:40:53,680 --> 00:40:56,799 Speaker 1: Do It Anyway, way before decades before that. I'm unfamiliar 700 00:40:56,840 --> 00:40:58,400 Speaker 1: with that. You don another book, Feel the Feel of 701 00:40:58,440 --> 00:41:02,239 Speaker 1: Fear and Do It Anyway. Okay, it's some self help, 702 00:41:02,280 --> 00:41:06,040 Speaker 1: but from the eighties, I think another one. There's a 703 00:41:06,080 --> 00:41:11,640 Speaker 1: there's a my tutor and supervisor, John Ockendon. He I 704 00:41:11,719 --> 00:41:14,640 Speaker 1: was very lucky when I was studying mathematics to fall 705 00:41:14,680 --> 00:41:19,440 Speaker 1: in with a group of people mathematicians who who like 706 00:41:19,640 --> 00:41:25,840 Speaker 1: solving real world problems, physical problems, for example, using fluid 707 00:41:25,880 --> 00:41:31,480 Speaker 1: mechanics or things like that. Um, because most most mathematicians 708 00:41:31,520 --> 00:41:34,600 Speaker 1: are quite snobbish about the mathematics, and there's a there's 709 00:41:34,640 --> 00:41:38,960 Speaker 1: a hierarchy amongst mathematicians which is at the very highest 710 00:41:38,960 --> 00:41:41,520 Speaker 1: of the people who work on these these very profound, 711 00:41:41,600 --> 00:41:45,719 Speaker 1: deep problems firms, the you know, theoretical things that you 712 00:41:45,760 --> 00:41:49,279 Speaker 1: know to the man the street, no idea what they're 713 00:41:49,280 --> 00:41:52,160 Speaker 1: on about or what the relevance really but really really 714 00:41:52,200 --> 00:41:56,360 Speaker 1: tough things, tough, you know. Then you moved down the 715 00:41:56,440 --> 00:42:00,239 Speaker 1: ranks and pure mathematicians who work in the apps act. 716 00:42:00,239 --> 00:42:04,360 Speaker 1: Then you've got applied mathematicians and these this group of 717 00:42:04,400 --> 00:42:06,880 Speaker 1: people would pretty much the lowest of the low in 718 00:42:06,920 --> 00:42:09,960 Speaker 1: the sense of the hierarchy, and they used the maths 719 00:42:10,000 --> 00:42:14,840 Speaker 1: to solve real problems. Um, what are they thinking? Exactly exactly? 720 00:42:15,040 --> 00:42:16,879 Speaker 1: But it was great fun and it gets It means 721 00:42:16,920 --> 00:42:19,880 Speaker 1: that that there are a very few people. Actually, I 722 00:42:19,920 --> 00:42:21,680 Speaker 1: can only think of one other person in the world 723 00:42:22,080 --> 00:42:26,680 Speaker 1: who's got had such a breadth of mathematical experience as 724 00:42:26,719 --> 00:42:29,520 Speaker 1: I have. That's why it can be very skeptical about 725 00:42:29,560 --> 00:42:32,520 Speaker 1: the models, because I've seen so much of the mathematical 726 00:42:32,560 --> 00:42:35,440 Speaker 1: world that other people haven't seen. And of course when 727 00:42:35,440 --> 00:42:38,440 Speaker 1: I started working in finance, they had to develop a 728 00:42:38,480 --> 00:42:40,880 Speaker 1: whole new category even lower than the lowest of the 729 00:42:40,920 --> 00:42:44,640 Speaker 1: low for people working in mathematical finance. So I have 730 00:42:44,680 --> 00:42:46,799 Speaker 1: to ask who was the other person who has a 731 00:42:46,840 --> 00:42:52,919 Speaker 1: similar breath of mathematical experience. Take him he's um, yeah, 732 00:42:53,000 --> 00:42:56,879 Speaker 1: he's he's He's worked on a lot of volatility stuff. 733 00:42:56,920 --> 00:42:59,759 Speaker 1: He's very clever guy, but he's had he's had a 734 00:42:59,760 --> 00:43:02,360 Speaker 1: boss many times, so he doesn't have the answer to 735 00:43:02,400 --> 00:43:06,160 Speaker 1: that question. Look what what investors have influenced you? Who? 736 00:43:06,239 --> 00:43:13,920 Speaker 1: Who's affected your approach to looking at markets? Um? Which investors? 737 00:43:15,520 --> 00:43:19,319 Speaker 1: I don't really follow people in that sense. That's a 738 00:43:19,400 --> 00:43:23,480 Speaker 1: good answer everybody else, says Warren Buffett. But not following 739 00:43:23,480 --> 00:43:27,240 Speaker 1: people is a net I'm I'm I have this this 740 00:43:27,239 --> 00:43:30,480 Speaker 1: this talent, which is if if if people say one thing, 741 00:43:30,520 --> 00:43:34,040 Speaker 1: I say the exact opposite, and it comes a point 742 00:43:34,040 --> 00:43:35,880 Speaker 1: where I don't really know what my own opinion is. 743 00:43:36,200 --> 00:43:38,839 Speaker 1: You're just you're just fading the group. I just just 744 00:43:39,120 --> 00:43:43,040 Speaker 1: you know, annoys people, winds them up. But it sort 745 00:43:43,040 --> 00:43:48,840 Speaker 1: of works. The divergent opinion is a variant perception absolutely works. 746 00:43:49,120 --> 00:43:52,759 Speaker 1: Let's talk about everybody's favorite question. Books. What are some 747 00:43:52,840 --> 00:43:57,759 Speaker 1: of your favorite books? Finance? Fact fiction or nonfiction? Finance nonfinance? 748 00:43:57,920 --> 00:44:05,200 Speaker 1: I almost never never ever read nonfiction. Almost never. You 749 00:44:05,280 --> 00:44:08,000 Speaker 1: only read fiction pretty much only ever read see I 750 00:44:08,040 --> 00:44:11,480 Speaker 1: love nonfiction, and I never I love fiction, and I 751 00:44:11,520 --> 00:44:14,040 Speaker 1: never get to it. Okay, so most of what I 752 00:44:14,080 --> 00:44:17,200 Speaker 1: read is is nonfiction. I find that the most of 753 00:44:17,239 --> 00:44:21,960 Speaker 1: the nonfiction that I try to read is sort of obvious, 754 00:44:22,080 --> 00:44:25,160 Speaker 1: and I think I feel like you'd subscribed to one 755 00:44:25,160 --> 00:44:27,799 Speaker 1: of these things where they condense a five page book 756 00:44:27,800 --> 00:44:34,000 Speaker 1: into two page So history, biography, some biographies, but not 757 00:44:34,520 --> 00:44:36,319 Speaker 1: give us a few times. What do you like? So 758 00:44:36,360 --> 00:44:42,200 Speaker 1: if you prefer fiction, prefers fiction, I say one of 759 00:44:42,239 --> 00:44:46,560 Speaker 1: my my all time favorite books is the The Life 760 00:44:46,600 --> 00:44:52,080 Speaker 1: and Opinions of Tristram Shandy Gentlemen mid eighteenth century. I 761 00:44:52,120 --> 00:44:56,319 Speaker 1: think it was It's a totally well, I can't even 762 00:44:56,360 --> 00:44:59,279 Speaker 1: begin to strive it. It's been described as a as 763 00:44:59,320 --> 00:45:05,200 Speaker 1: an unfil unfilmable book because it's it's so I can't 764 00:45:05,200 --> 00:45:07,320 Speaker 1: even begin to describe it. You should read it, Okay, 765 00:45:07,440 --> 00:45:09,759 Speaker 1: I have not. It's it's a fantastic book. But I 766 00:45:09,800 --> 00:45:14,319 Speaker 1: tend to alternate fiction. I tend to alternate between yeah, yeah, 767 00:45:14,360 --> 00:45:18,120 Speaker 1: the Life and Opinions of Tristram Shandy's he's fictional, Tristan 768 00:45:18,320 --> 00:45:24,440 Speaker 1: trist Tristram Shandy. I tend to alternate between what you 769 00:45:24,520 --> 00:45:26,600 Speaker 1: might call a classic book and then something just to 770 00:45:26,840 --> 00:45:30,800 Speaker 1: just to recover from the classic book. And I'm very 771 00:45:30,960 --> 00:45:33,279 Speaker 1: and now very impatient with books. Up until the age 772 00:45:33,320 --> 00:45:35,839 Speaker 1: of thirty, I would say that if I started a book, 773 00:45:35,880 --> 00:45:37,960 Speaker 1: I had to finish it, and you know, you get 774 00:45:38,239 --> 00:45:40,200 Speaker 1: you get over that pretty quick. I got it was 775 00:45:40,360 --> 00:45:42,160 Speaker 1: the greatest thing that ever happened to me, other than 776 00:45:42,320 --> 00:45:46,000 Speaker 1: birth of my children, to realize that I could just 777 00:45:46,040 --> 00:45:50,840 Speaker 1: stop reading a book away. Oh, this is disappointing. So 778 00:45:50,840 --> 00:45:53,520 Speaker 1: so I if a book's more than say, fond of pages, 779 00:45:53,520 --> 00:45:57,239 Speaker 1: I probably won't even buy it. If it if it 780 00:45:57,239 --> 00:46:02,120 Speaker 1: gets rave reviews on Amazon, if it's kind of classical, 781 00:46:02,200 --> 00:46:05,120 Speaker 1: then I might avoid it because I know it's you know, critique, 782 00:46:05,160 --> 00:46:09,880 Speaker 1: a little bit funny, and I'll alternate between maybe some 783 00:46:09,960 --> 00:46:14,600 Speaker 1: classic and something easy. One thing I've discovered relatively recently 784 00:46:14,640 --> 00:46:18,319 Speaker 1: is Lee Child. Now you know Lee Child? Sure, Jack 785 00:46:18,360 --> 00:46:21,440 Speaker 1: Reacher or the fascinating thing about my wife plows through 786 00:46:21,480 --> 00:46:24,200 Speaker 1: those books. Fascinating thing is of all the kind of 787 00:46:24,560 --> 00:46:26,800 Speaker 1: he's not exactly pulp fiction, but it's heading that actually 788 00:46:26,880 --> 00:46:29,600 Speaker 1: he's the only one that middle class people will admit 789 00:46:29,640 --> 00:46:32,879 Speaker 1: to reading. Oh really, Yes. The funny thing is, if 790 00:46:32,880 --> 00:46:35,920 Speaker 1: you've seen the movie, it's a short white guy. But 791 00:46:35,960 --> 00:46:38,359 Speaker 1: in the in the book, it's a tall black guy. 792 00:46:38,400 --> 00:46:43,920 Speaker 1: I don't know why they didn't catch that. Um he's tall, No, 793 00:46:44,000 --> 00:46:46,200 Speaker 1: he's not. I don't think he's black. I thought he was. 794 00:46:46,920 --> 00:46:51,000 Speaker 1: I don't know how many of you read um one 795 00:46:51,120 --> 00:46:55,440 Speaker 1: my wife. My wife's read ten. Okay, well I have 796 00:46:55,600 --> 00:46:57,200 Speaker 1: to have to ask. I could be, but we can 797 00:46:57,239 --> 00:46:59,439 Speaker 1: definitely agree that Tom Cruise as a short white guy 798 00:46:59,719 --> 00:47:03,000 Speaker 1: for sure, to say the least. Um, let's one other book. 799 00:47:03,000 --> 00:47:06,239 Speaker 1: Give me one other thing you've read recently. Something I've read, 800 00:47:06,280 --> 00:47:10,239 Speaker 1: Oh okay, okay, okay and enjoyed, okay, okay, but you 801 00:47:10,239 --> 00:47:12,360 Speaker 1: don't have to have enjoyed I mentioned earlier. J. K. 802 00:47:12,560 --> 00:47:15,880 Speaker 1: Rowling she wrote this, so you under a pseudonym the 803 00:47:15,920 --> 00:47:19,480 Speaker 1: book which one I don't remember, but she's done this 804 00:47:19,480 --> 00:47:25,200 Speaker 1: one called The Cuckoo's Calling something that it's awful. I 805 00:47:25,239 --> 00:47:28,360 Speaker 1: mean really, I mean really. I love the Harry Potter books, 806 00:47:28,800 --> 00:47:31,560 Speaker 1: I love them, but this is diet. It's like she's 807 00:47:31,560 --> 00:47:33,680 Speaker 1: trying to be actually Christie, but it's like three times 808 00:47:33,680 --> 00:47:36,239 Speaker 1: as long as it should be and you just don't 809 00:47:36,239 --> 00:47:39,560 Speaker 1: I finished that just because you know what who done it. 810 00:47:39,680 --> 00:47:41,560 Speaker 1: But by the time you get to the end, you 811 00:47:41,640 --> 00:47:44,840 Speaker 1: realize anybody could have done it, and she just picked randomly, 812 00:47:44,880 --> 00:47:49,000 Speaker 1: so you just did it was rubbish void. Please all right, 813 00:47:49,080 --> 00:47:52,000 Speaker 1: I'm gonna I'm gonna cross that off my list. Um, 814 00:47:52,080 --> 00:47:58,440 Speaker 1: So since you first started following quantitative finance, what's changed 815 00:47:58,480 --> 00:48:00,560 Speaker 1: in the Indians in the industry. What do you think 816 00:48:00,680 --> 00:48:04,080 Speaker 1: is the Is it the rise of technology, is it 817 00:48:04,160 --> 00:48:07,680 Speaker 1: the wholesale adoption? What what is the big shift in 818 00:48:08,080 --> 00:48:12,480 Speaker 1: quantitative finance? Well, the technology you have to mention technology indeed, Um, 819 00:48:13,640 --> 00:48:16,120 Speaker 1: but that's happened everywhere, not just in quantity of finance, 820 00:48:16,120 --> 00:48:19,680 Speaker 1: but also the number of people, the sheer quantities of people, 821 00:48:20,120 --> 00:48:23,239 Speaker 1: and it's taken over finance pretty much. It has, and 822 00:48:23,239 --> 00:48:25,719 Speaker 1: I'm not sure that there are the people are necessarily 823 00:48:26,560 --> 00:48:29,960 Speaker 1: as good as they used to be. That's my sense, 824 00:48:30,160 --> 00:48:33,840 Speaker 1: saluning the talent pool just through sheer numbers or the 825 00:48:33,880 --> 00:48:36,040 Speaker 1: warm people being attracted to it. It's a bit of 826 00:48:36,080 --> 00:48:39,640 Speaker 1: both and also education. I have my own educational program, 827 00:48:39,800 --> 00:48:43,160 Speaker 1: the certificate and Quantitative Finance, but most people go through 828 00:48:43,520 --> 00:48:48,120 Speaker 1: Masters in Finance programs of finance engineering at university and 829 00:48:48,160 --> 00:48:53,120 Speaker 1: they're taught by by people who don't necessarily understand how 830 00:48:53,160 --> 00:48:56,640 Speaker 1: the the how the markets work, or you yourself have 831 00:48:56,680 --> 00:49:00,360 Speaker 1: mentioned between us, we've mentioned verse the psychological side things, 832 00:49:00,800 --> 00:49:05,240 Speaker 1: and you really have to understand human nature really almost 833 00:49:05,280 --> 00:49:08,960 Speaker 1: before you start doing the mathematics. And that's something people 834 00:49:09,040 --> 00:49:13,600 Speaker 1: completely miss. They think the models explain everything. And most 835 00:49:13,640 --> 00:49:15,920 Speaker 1: of these programs people go on that that that taught 836 00:49:15,960 --> 00:49:18,680 Speaker 1: the mathematics, but they're not taught when things break down, 837 00:49:18,760 --> 00:49:22,560 Speaker 1: why things break down, etcetera. So education is pretty bad, 838 00:49:22,600 --> 00:49:25,719 Speaker 1: I think. So tell us about a time you failed 839 00:49:26,040 --> 00:49:28,640 Speaker 1: and what you learned from the experience at the time 840 00:49:28,680 --> 00:49:36,200 Speaker 1: I failed. Um, the there's there's one. This may be 841 00:49:36,239 --> 00:49:38,759 Speaker 1: a bit cheesy, it may not be strictly true, but 842 00:49:38,800 --> 00:49:42,520 Speaker 1: it sounds quite good. There was a time that we said, 843 00:49:42,840 --> 00:49:45,200 Speaker 1: I must have been about thirteen, and there was a 844 00:49:45,400 --> 00:49:47,279 Speaker 1: there was a phase of we were all playing all 845 00:49:47,320 --> 00:49:50,520 Speaker 1: the card games and gambling, you know, just for pennies, 846 00:49:50,760 --> 00:49:53,600 Speaker 1: really pennies, because this is it's an early nineteen seventies. 847 00:49:53,920 --> 00:49:57,560 Speaker 1: And I remember one time making a bet with Billy Jones. 848 00:49:59,120 --> 00:50:02,120 Speaker 1: Bill Jones, he's Billy Jones and my class, Billy Jones, 849 00:50:03,760 --> 00:50:08,040 Speaker 1: another thirteen year old gotcha and it was I think 850 00:50:08,080 --> 00:50:11,279 Speaker 1: I think it's about seven p right. It was all 851 00:50:11,320 --> 00:50:13,360 Speaker 1: the money I had in my pocket seven p and 852 00:50:13,400 --> 00:50:15,919 Speaker 1: I lost this bet. It was a stupid, stupid, stupid bet. 853 00:50:16,480 --> 00:50:18,560 Speaker 1: But I made the bet and I lost it. And 854 00:50:18,760 --> 00:50:20,839 Speaker 1: clearly it's you know, you can see me crying now 855 00:50:20,840 --> 00:50:23,759 Speaker 1: as we speak. It's had an impact on my on 856 00:50:23,840 --> 00:50:26,080 Speaker 1: my entire life, and I think it's it's made me 857 00:50:26,160 --> 00:50:29,520 Speaker 1: very risk of us. Well, we're all, we're all theoretically 858 00:50:29,560 --> 00:50:33,759 Speaker 1: somewhat risk averse, but you suffered a little. Um, it's 859 00:50:33,760 --> 00:50:35,799 Speaker 1: actually helpful. The worst thing in the world that can 860 00:50:35,840 --> 00:50:38,719 Speaker 1: happen to someone is they walk into a casino and 861 00:50:38,800 --> 00:50:41,879 Speaker 1: win money, or their first time they start training they 862 00:50:41,920 --> 00:50:45,880 Speaker 1: make money. You're much better off experiencing laws up front, 863 00:50:46,280 --> 00:50:49,279 Speaker 1: Billy Jones to think, that's right, that's right. Let's let's 864 00:50:49,320 --> 00:50:53,320 Speaker 1: jump to my our last and two favorite questions. Uh, 865 00:50:53,520 --> 00:50:55,359 Speaker 1: these are the ones that seem to have the most 866 00:50:55,400 --> 00:50:59,240 Speaker 1: amount of resonance with people. So if a recent college 867 00:50:59,239 --> 00:51:02,480 Speaker 1: graduate or a millennial would come up to you and say, 868 00:51:02,800 --> 00:51:06,480 Speaker 1: I'm interested in a career in quantitative finance, what sort 869 00:51:06,520 --> 00:51:10,040 Speaker 1: of advice would you give them? Yeah? Yeah, yeah, yeah, 870 00:51:10,400 --> 00:51:14,839 Speaker 1: oh okay, what would it? It's it's what do people 871 00:51:14,880 --> 00:51:17,520 Speaker 1: you usually say for this sort of thing that it 872 00:51:17,760 --> 00:51:21,920 Speaker 1: ranges from. It ranges from I'm the wrong person to 873 00:51:22,000 --> 00:51:24,640 Speaker 1: ask to let me tell you these three things and 874 00:51:24,760 --> 00:51:27,919 Speaker 1: never forget them, and in between okay, well i'm gonna 875 00:51:27,920 --> 00:51:31,160 Speaker 1: get I'm gonna give you another point on the spectrum, 876 00:51:31,160 --> 00:51:37,000 Speaker 1: which is have children early. Okay, postpone the career thing. Really, 877 00:51:37,000 --> 00:51:41,920 Speaker 1: as much as you can do you have children. So 878 00:51:42,000 --> 00:51:45,000 Speaker 1: I'm I'm a late bloomer. I would say have children 879 00:51:45,000 --> 00:51:47,920 Speaker 1: early because most people talk about they want to have 880 00:51:47,960 --> 00:51:50,520 Speaker 1: this to get their careers kickstarted. And when they talk 881 00:51:50,560 --> 00:51:53,799 Speaker 1: about their career, they're always talking about either being a 882 00:51:53,840 --> 00:51:56,200 Speaker 1: lawyer or or a quantity or something. It's not like 883 00:51:56,200 --> 00:51:59,719 Speaker 1: they're curing you can wait, it can wait being a 884 00:51:59,800 --> 00:52:02,359 Speaker 1: lawyer away it really it really upsets me when I 885 00:52:02,400 --> 00:52:07,040 Speaker 1: see people who who just good around children, but they've anyway. 886 00:52:07,160 --> 00:52:08,840 Speaker 1: So that would be to just wait a while and 887 00:52:08,840 --> 00:52:11,880 Speaker 1: have children first and our last and final question, what 888 00:52:11,920 --> 00:52:15,880 Speaker 1: do you know about quantitative finance today that you wish 889 00:52:15,880 --> 00:52:22,600 Speaker 1: you knew twenty five years ago? One thing that well 890 00:52:23,080 --> 00:52:29,760 Speaker 1: I realized halfway through that period would be that's the 891 00:52:29,960 --> 00:52:35,160 Speaker 1: There's a lot of people have names attached to models, 892 00:52:35,200 --> 00:52:37,799 Speaker 1: but usually those models I don't know to offend any 893 00:52:37,840 --> 00:52:41,240 Speaker 1: friends of mine here, but usually those models offender offend away. 894 00:52:41,560 --> 00:52:43,880 Speaker 1: How many people listen to this? No, just it's just 895 00:52:43,960 --> 00:52:47,600 Speaker 1: the two of us. The They have come up with 896 00:52:47,640 --> 00:52:51,719 Speaker 1: a model, and usually it's it's a minor tweak two 897 00:52:52,800 --> 00:52:55,799 Speaker 1: to something to some other model, and it's not necessarily 898 00:52:55,840 --> 00:52:58,080 Speaker 1: a great model in any way, shape or forming. It's 899 00:52:58,080 --> 00:53:00,200 Speaker 1: a bad model tweaked to be something else, to be 900 00:53:00,239 --> 00:53:05,800 Speaker 1: even worse, not even to better. Usually it's tweaked to 901 00:53:05,880 --> 00:53:08,600 Speaker 1: make it easier to use. And you did not know 902 00:53:08,680 --> 00:53:11,200 Speaker 1: that twenty years ago. I didn't realize that that was 903 00:53:11,239 --> 00:53:15,359 Speaker 1: sort of important. Um. And I wonder if I knew 904 00:53:15,360 --> 00:53:17,920 Speaker 1: that twenty five years ago, would I have taken a 905 00:53:17,920 --> 00:53:22,759 Speaker 1: different route. I really hope I wouldn't, because my route 906 00:53:22,760 --> 00:53:24,720 Speaker 1: has always been to do whatever I think is fun. 907 00:53:25,120 --> 00:53:27,240 Speaker 1: And that's why you look at my list of papers 908 00:53:27,280 --> 00:53:32,759 Speaker 1: also of crazy things in that in my list of papers. Um, 909 00:53:32,800 --> 00:53:35,759 Speaker 1: so that this isn't really something I wish I knew 910 00:53:35,800 --> 00:53:37,400 Speaker 1: I would take an advantage of. I would like to 911 00:53:37,400 --> 00:53:39,440 Speaker 1: think I knew it and I decided not to do. 912 00:53:39,480 --> 00:53:41,680 Speaker 1: It's a it's actually it's it's it's Keane's again. I 913 00:53:41,680 --> 00:53:45,840 Speaker 1: think it's Kane's it is. He says it is better 914 00:53:46,000 --> 00:53:52,319 Speaker 1: to fail conventions than to succeed unconventionally, and I very 915 00:53:52,400 --> 00:53:56,880 Speaker 1: much succeeded unconventionally inventionally. I don't know where I'm going 916 00:53:56,920 --> 00:54:00,160 Speaker 1: with any of this, but but it's fascinating. Nonetheless, we 917 00:54:00,280 --> 00:54:04,600 Speaker 1: have been speaking with Paul Wilmot, quantitative finance expert and 918 00:54:04,760 --> 00:54:07,560 Speaker 1: author his his latest book, Paul, what's the name of 919 00:54:07,600 --> 00:54:11,200 Speaker 1: your new book? It's The Money Formula, Don't you Finance? 920 00:54:11,239 --> 00:54:14,480 Speaker 1: Pseudo science and how mathematicians took over the markets. If 921 00:54:14,520 --> 00:54:16,799 Speaker 1: you enjoy this conversation, be sure and look up an 922 00:54:16,840 --> 00:54:19,439 Speaker 1: intro Down an Inch on Apple iTunes and you could 923 00:54:19,440 --> 00:54:21,759 Speaker 1: see any of the other hundred and fifty or so 924 00:54:22,239 --> 00:54:27,640 Speaker 1: such conversations we've had. You could find us on Apple iTunes, 925 00:54:27,880 --> 00:54:32,520 Speaker 1: overcast wherever fine podcasts are sold. I would be remiss 926 00:54:32,600 --> 00:54:35,560 Speaker 1: if I did not think the crack staff that helps 927 00:54:36,000 --> 00:54:40,160 Speaker 1: put this podcast together each week. Medina Parwana is my 928 00:54:40,360 --> 00:54:44,440 Speaker 1: technical producer and audio engineer. Taylor Riggs is our booker 929 00:54:44,520 --> 00:54:47,840 Speaker 1: slash producer. Mike bat Nick is our head of research. 930 00:54:48,400 --> 00:54:51,920 Speaker 1: I'm Barry Ridholtz. You've been listening to Masters in Business 931 00:54:52,360 --> 00:55:00,879 Speaker 1: on Bloomberg radio