Polymarket Opens Betting on When Anthropic Will IPO

As seen on the 24/7 Wall St. homepage on October 27, 2026.

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Polymarket launched a prediction market on October 27, 2026 dedicated to the timing of an Anthropic IPO, turning private speculation into a live probability investors can read and trade against.

Anthropic is one of the most consequential names still locked inside private AI funding rounds, and this market aggregates the crowd's best guess on when public investors get access.

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If the market prices a near-term listing, it can shift capital flows and valuations at publicly traded AI peers before Anthropic files a single document.

The reply thread on the launch post is a secondary read on how seriously investors are taking the question.