Will Anthropic or OpenAI IPO first?: how this market works

What you need to know

This market asks a simple race question: between Anthropic and OpenAI, which AI company will go public on a stock exchange first? An IPO, or Initial Public Offering, is when a private company sells shares to ordinary investors for the first time, becoming publicly traded. A result of 'Anthropic' means Anthropic crosses that finish line first before the end of 2027. A result of 'OpenAI' means OpenAI does. Neither company is public yet, so this is genuinely an open race. The market settles on whichever company completes its IPO first, confirmed by credible news reporting, before December 31, 2027 at 11:59 PM Eastern Time. One important edge case: if neither company goes public by that deadline, the market splits 50-50, meaning both sides get equal payouts. The same 50-50 outcome applies if both companies somehow IPO on the exact same calendar day, or if either company gets absorbed into an already-public company before going public on its own. No specific recent news was provided for this market. The kind of developments worth watching would be: either company officially filing IPO paperwork with regulators, announcements about timing or exchange listings, or news about major structural changes like acquisitions that could affect whether an independent IPO happens at all. The market prices Anthropic at 89%, which is a strong lean, but the main honest uncertainty is that neither company has publicly committed to an IPO timeline, and a lot can change before 2027. Market conditions, regulatory scrutiny of AI companies, internal decisions about staying private, or even acquisition offers could all shift the picture. The 50-50 fallback for 'neither goes public' is also a real possibility that the current odds are implicitly discounting. Unexpected events in a fast-moving industry are genuinely hard to rule out.

Price history

How this resolves

Resolves December 31, 2027

This market will resolve to "Anthropic" if Anthropic completes an Initial Public Offering (IPO) before OpenAI completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources. This market will resolve to "OpenAI" if OpenAI completes an Initial Public Offering (IPO) before Anthropic completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources. Read the full resolution rules on the live market page.

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