Anthropic IPO by __?: how this market works

What you need to know

This market is asking whether Anthropic, the AI company behind Claude, will go public on a stock exchange by a specific date, and which date that will be. Going public, often called an IPO, means anyone can buy shares of the company on a regular stock exchange. Right now there are three separate date targets to bet on: September 30, October 31, or December 31, 2026. A Yes on any of those means Anthropic's stock is actually trading on an exchange by that deadline. The market settles as Yes if Anthropic shares are listed and open for trading on a public stock exchange before 11:59 PM ET on the chosen date. The evidence used would be official documents like an SEC Form S-1 filing, exchange confirmation, or Anthropic press releases. There is one important edge case: if Anthropic is acquired by a company that is already publicly traded before an IPO happens, the market resolves No immediately, even if shares technically become available through the acquiring company. No relevant recent news was provided for this market. The kinds of developments that would matter most to watch for are: Anthropic filing an S-1 document with the SEC, public statements from Anthropic leadership about IPO plans, major new funding rounds that might delay the need to go public, or reports of acquisition talks with a larger company. Several real forces pull in different directions here. Anthropic is still a private company that has raised billions from investors like Google and Amazon, so it may not need public markets for cash right now. IPO timing also depends on broader stock market conditions, regulatory climate, and internal company readiness. The market prices December 2026 at 69%, reflecting some confidence but far from certainty. The main honest uncertainty is that IPO timelines are notoriously hard to pin down, and companies frequently delay or cancel them with little public warning.

The odds right now

• December 31, 2026-2.0 pts (1w)64%
• October 31, 2026+21.5 pts (1w)42%
• September 30, 2026-1.0 pts (1w)6%
• September 15, 2026-1.9 pts (1w)3%
• July 31, 2026-0.1 pts (1w)0%

Price history

How this resolves

Resolves July 1, 2027

This market will resolve to "Yes" if Anthropic shares are listed on a public securities exchange and open for trading by 11:59 PM ET on the listed date. Otherwise, this market will resolve to "No." If Anthropic is acquired by another company that is already public, this market will immediately resolve to "No." The primary resolution source for this market is official filings and announcements from Anthropic and the relevant securities exchange on which the shares are listed, including SEC filings (e.g., Form S-1, Form 8-A), exchange listing confirmations, and official press releases from Anthropic; however a consensus of credible reporting may also be used.

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