In 2009, the Anti-Defamation League found that 31 per cent of Europeans blamed Jews for the global financial crisis. They were blaming the wrong Jews for the wrong thing. The scholars who actually built the intellectual machinery of modern finance — portfolio theory, capital structure, options pricing, behavioural economics — were overwhelmingly Jewish. But they did not manipulate markets. They made markets legible. They published their work in journals anyone could read. They taught it in classrooms anyone could enter. They handed the world a set of tools for reasoning under uncertainty, and the world used those tools to build a financial system worth hundreds of trillions of dollars — then turned around and blamed Jews when it broke.

That opening paradox deserves unpacking, because in February 2026 the American Jewish Committee reported that 91 per cent of American Jews feel less safe as a result of violent antisemitic attacks over the past year — the arson at a Jewish governor’s residence, the firebombing of a pro-hostage march in Boulder, the murders outside the Capital Jewish Museum. Antisemitic incidents in the United States have reached their highest recorded level. And economic antisemitism — the oldest variant, the one that predates even the blood libel — is flourishing. It flourishes partly because the actual intellectual record has never been clearly told.

The story begins in 1952, when Harry Markowitz, a son of Chicago grocers, published a fifteen-page paper showing how to balance risk against return across a portfolio of assets. Mean-variance optimisation did not make Markowitz wealthy. It made the world’s pension funds, endowments, and sovereign wealth funds rational. Every institutional portfolio on earth descends from that paper. He waited 38 years for the Nobel.

Two decades later, Myron Scholes and Robert C. Merton — extending insights Paul Samuelson had seeded at MIT — derived the Black-Scholes-Merton formula for pricing options. The global derivatives market now exceeds several hundred trillion dollars in notional value. Every contract traded on every exchange on every continent owes its pricing logic to their equation. They did not hoard an advantage; they eliminated informational asymmetry, making fair pricing simultaneously available to every........

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