AI Bots Auditioning for Wall Street Trading Are Mostly Losing

AI isn’t ready to replace your fund manager — and the public experiments testing it are showing why.

Across a series of new trading contests between the world’s leading AI models, the verdict so far is unflattering. Most of the systems lose money. They trade too much. They make wildly different decisions when given identical instructions. And no one yet knows if these shortcomings will fade with more powerful iterations — or if they reveal something fundamental about the gap between large language models and how markets actually work.