OpenAI’s September 2026 announcement that an internal swarm of AI agents produced a Lean-verified proof of a finite-time singularity for the Navier-Stokes equations—one of the remaining Millennium Prize Problems—has dominated trader sentiment. This breakthrough, achieved through massive parallel agent coordination on an unreleased model, demonstrated rapid progress in automated mathematical reasoning yet also highlighted verification delays, community skepticism over reliance on prior human work, and the Clay Institute’s ongoing review process. With only weeks left in 2026 and the remaining open problems (including Riemann and Hodge) still lacking confirmed solutions or formalizations, markets price an 80.5% chance of zero additional AI-solved prizes this year. Short resolution timelines and the historical pace of rigorous peer validation reinforce the strong consensus against further breakthroughs before year-end.