OpenAI’s September 2026 announcement of an AI-generated proof claiming finite-time singularity for the 3D Navier-Stokes equations with forcing triggered immediate attention, prompting the Clay Mathematics Institute to state on September 11 that the problem appears “apparently settled.” CMI continues to list the Millennium Prize problem as active, however, because its rules require peer-reviewed publication in a qualifying outlet, broad community acceptance, and a minimum two-year scrutiny period before any declaration or prize. Ongoing mathematical audits, disputes over credit involving researchers such as Tristan Buckmaster, and the need for independent verification of the Lean formalization create substantial uncertainty around near-term resolution. Traders should watch for formal publication dates, Fields Medalist commentary, and CMI updates on evaluation progress.