Major AI labs face pressure to formalize third-party vetting commitments ahead of the October 31 deadline following the late-September White House Accord on Superintelligence. Executives from Anthropic, OpenAI, Google, Meta, xAI, and Nvidia signed the voluntary pact, which explicitly calls for independent external evaluators to assess internal controls on model capabilities, alignment, and risks such as unauthorized access or misuse. Anthropic advanced concrete steps first with an Accenture partnership granting employee-level access for red-teaming, while OpenAI published detailed principles for earlier-phase assessments covering safety cases and dangerous capabilities. These moves reflect competitive positioning among frontier labs to demonstrate proactive governance amid regulatory scrutiny, though the accord lacks enforcement mechanisms or firm timelines. Traders are watching for additional formal announcements or partnerships from remaining signatories before the cutoff.