The Market Structure Map

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April 1, 2026

If you were wondering last week if the stock market was in trouble, you were too late. And that is no April Fool’s joke. EDITORIAL NOTE: I wrote this Sunday Mar 29, and I’m out of the country. So I have no idea what’s happening...

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March 18, 2026

“How they square increasing liquidity with delaying information is insane.” So said a skeptic in a ycombinator forum about the SEC’s reputed proposal to end mandatory quarterly reporting, reducing required reports from four to two. There is no official SEC rule-filing yet. You’ll find it...

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March 11, 2026

I solved a problem. In the book “The Humans,” by Matt Haig, a mathematician is trying to prove the Riemann Hypothesis suggesting deep foundational meaning in prime numbers. No, I didn’t solve that one. A different one. Before I get to that: Oil jumped Monday...

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March 4, 2026

Yesterday, the stock market tanked early on news. The news is we’re at war with Iran. On Mar 2, we were at war with Iran too and stocks closed flat to up, oil was down. Then yesterday, shazam! Stocks nosedived. Early anyway.  Had the Dow...

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February 25, 2026

Everything I ever needed to know about economics I learned in Sri Lanka. I spent 1989 in Sri Lanka teaching at a post-A-level technical school. I was a junior in college and it was a chance to see the world. The village below the school...

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