Jane Street Global Trading: All In On Artificial Intelligence

Apparently, in Jane Street's world, an historic $15 billion monthly loss in the context of a $40 billion year-to-date gain for 2026 is the new normal. Naturally, the directional risk of longer-term discretionary bets lowers Sharpe Ratios. No big deal. However, beyond the spin and gaslighting for the debt holders, Alphacution believes something else is going on here that's strange and unprecedented and further supports the thesis presented in our recent case study, "How Jane Street Generates Alpha." The analysis presented here includes a sample of 11 new charts based primarily on Q2 2026 data. You be the judge...