The Market Structure Map
August 13, 2025
Today’s alpha is tomorrow’s beta. That’s a line I read in a Bloomberg story (subscription required) about hedge fund Schonfeld, whose 38-year-old CEO Ryan Tolkin is reported to have said it. Schonfeld is a multi-strategy hedge fund with about $14 billion of assets. It’s always...
July 16, 2025
Does the book by Amos Tversky and Daniel Kahneman, “Thinking, Fast and Slow,” highlight the fundamental flaw in AI? The definition of heuristic (a key Tversky Kahneman topic) is, paraphrasing, pragmatic problem-solving, subject to vagary and error. One could say that eliminating vagary and error...
June 25, 2025
There’s an air of inevitability in the stock market. We have wars and rumors of wars and stocks rise, and then a ceasefire and stocks skyrocket. It’s nice in the sense that a relentlessly yeasty market creates wealth. Moviemaker Stanley Kubrick recrafted Peter George’s 1958...
June 18, 2025
I wanted to call the blog “Frenzied Pursuit” because I thought it was not only a great name for a rock band but an excellent title. Alas, Greg Zuckerman at the Wall Street Journal had already used it. I’ve long recommended Greg’s book “The Man...
May 7, 2025
Crazy Chester followed me and he caught me in the fog. I’ve had that lyric stuck in my head. As it turned out in the song by The Band, Chester wanted him to take Jack the dog. I like this version with Dave Matthews and...
February 5, 2025
“Really? That’s all the time you spent?” I said,”Yessir. It doesn’t take long to pull weeds.” I think I was twelve. The mailman had suggested to Walker Fry, the richest guy in Huntington, Oregon, population 530, where I grew up that the Quast kid would...