Polymarket puts 60% odds on Anthropic IPO by end of November, $3.7M traded

Polymarket · x · 2026-09-23

Prediction market Polymarket currently prices the odds of Anthropic going public by November 30 at about 60%, rising to 74% by December 15 and 83% by December 31, while a listing by September 30 is priced under 1%.

The market has seen over $3.7M in total volume, with $105K on the November 30 leg alone. Resolution requires Anthropic shares listed and trading on a public exchange, based on SEC filings and official announcements; acquisition by an already-public company resolves No. Note that a quoted tweet claiming a "Claude Opus 5.5" launch is not from official sources.

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