As someone who was trading professionally (and successfully) in both 1999-00 and 2007-08, I have to say it *finally* feels like we're in the late stages of a bull market. I'm not talking about valuations or fundamentals; I'm talking about the zeitgeist. /1
The defining feature of late stage bulls is not price action; it's craziness. Think GameStop, and negative oil, and TikTok investors, and Davey. /2
This craziness is often driven by retail. Retail investors have more buying power, higher risk appetite, and fewer inhibitions than professionals. When retail enters the market, other investors get run over. /3
Everyone loves a good underdog story, especially one with a twist. So successful retail heists (like r/wsb YOLOing $GME to squeeze Melvin) get a lot of attention. This attracts new entrants, who drive prices even higher. A positive feedback loop sets in. /4
Institutional investors may publicly decry retail's entry, but privately they are only too happy to sell into it. They know that valuations are elevated, and would love to take profits without collapsing the market. /5
When people quit their day jobs to live off bull market gains, that's a sign that we're entering unsustainable territory. In 1999-00 it was dot-com day-traders on dialup. In 2007-08 it was house flippers in Florida. Today it's Robinhood. /6
Fortunes can be made in these times. They can also be lost. The rules keep changing; illiquidity is rife; bad actors are everywhere; lucky beats smart. The key is to not be the last person left standing when the music stops. Easier said than done! /7
The first fund blowups typically happen 12-18 months before the end of the cycle (LTCM Aug 1998, Bear Stearns Jul 2007, Melvin this week?). Their typical complaint is that it wasn't their fault; the market was just irrational. /8

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More from @athomasq

24 Sep 20
1/ It's been 6 months since the low point of US markets and economic activity. Ordinarily, we'd see the first academic papers on the COVID recession emerge right around now. But thanks to new sources of data, researchers are way ahead of schedule.

🧵THREAD👇
2/ Let's begin with spending. Chen et al use daily transaction data -- bank cards and QR code usage from UnionPay -- to track the decline of consumer spending across 214 cities in China, one of the earliest indicators of pandemic-induced changes:
papers.ssrn.com/sol3/papers.cf…
3/ As early as March, the BEA was using credit card transactions processed by Fiserv to track COVID's impact on consumer spending in the US, per Dunn et al:
bea.gov/system/files/p…
Read 26 tweets
22 Sep 20
Terrific piece on Sutter Hill, Mike Speiser, and the incubation model of venture, from the always insightful @kevinakwok:
Kevin has a great 2x2 where he points out that most well-known VCs are in the "successful + brand-network-effect" quadrant, for obvious reasons -- they need the inbound deal flow. And Sutter Hill is interesting because it's in the "successful + low-profile" quadrant.
This is actually a quadrant I'm quite familiar with -- most hedge funds fall here! As a junior trader I was told: play dumb, stay quiet, keep a low profile, protect your edge, never reveal your positions or plans.
Read 5 tweets
15 Sep 20
1/ Pricing curves for data are dramatically different from pricing curves for software, hardware, services, or consumer products. A thread of some things I've learned:
2/ Price per data point first increases, then decreases with quantity. Small datasets are usually worth less than big ones. But beyond a certain point, adding more data points doesn't add marginal information, and hence the price plateaus.
3/ Price first decreases, then increases with adoption. Unique datasets are worth more than commoditized ones, but once a dataset becomes "table stakes", price goes up again, especially if there's a single dominant supplier.
Read 15 tweets
2 Aug 20
1/ When I was 13 years old, I spent 3 days in the hold of a converted cargo ship, escaping a war zone with nothing more than what I could carry in a small backpack.

🧵THREAD 👇
2/ Exactly 30 years ago, on August 2nd 1990, Saddam Hussein's army invaded Kuwait. I remember it clearly; I was there.
3/ My family was part of the massive Indian expat community. My father worked for the Kuwaiti ministry of health; my mother was a teacher. We had lived in Kuwait for 6 years.
Read 47 tweets
21 Jul 20
You don't have to invoke magic or time travel to explain Renaissance Technologies and their amazing track record. First-mover advantage suffices. (1/N)
Consider this sequence of events:
- Rentec discovers a persistent source of mispricing in the market.
- Rentec trades *fast* to capture this mispricing.
- Rentec's activity forces prices to converge. (2)
To external observers, the mispricing never arises. Nobody even sees the opportunity; they all think "oh, that (slice of the) market is already efficient". Back-testing on this opportunity reveals no alpha to be captured. Everybody moves on. (3)
Read 7 tweets
10 Jun 20
1/ Gather round and let me tell you about Alfred Winslow Jones: you may have never heard of him, but he's one of the most important financiers of the 20th century.
2/ Jones was born into privilege; his father was a Gilded Age executive while his mother came from a blue-blooded east coast family. Jones himself went to private school and then to Harvard.
3/ So far, so typical; there are plenty of people on Wall Street today with the exact same background. But what Jones did next was perhaps less typical.
Read 45 tweets

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