Polymarket USOpen

OpenAI IPO Officially Confirmed By: December 31, 2026

No96%
Yes5%

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24h volume$1.7K
7d volume—
30d volume—
Liquidity—
Spread1%
ResolvesJul 15, 2027in 9 months

Probability history

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Probability history0%25%50%75%100%Oct 2Oct 7Oct 13Oct 19Oct 24Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.

Based on this market’s outcome prices, expressed as probabilities.

Resolution rules

If OpenAI confirms an IPO by December 31, 2026, 11:59 PM ET, this market will settle to Yes. Outcome verified by OpenAI, the relevant IPO regulatory authority, and the IPOs primary listing exchange. An IPO is confirmed when i) the SEC declares the specified companys Form S-1 or equivalent registration statement effective, or an equivalent filing with an alternative recognized national securities regulator is approved and made public ii) the IPO is priced (e.g., through a final pricing press release or submission of SEC Form 424B4) or iii) a public securities exchange assigns the specified company a ticker symbol and announces that the company has been approved for initial listing pursuant to an IPO. The occurrence of any of these events qualifies, regardless of when the specified companys equity shares begin public trading.

Other legs of this event

MarketVenuePriceStatus
OpenAI IPO Officially Confirmed By: June 30, 2027PolymarketUs53% NoOpen
OpenAI IPO Officially Confirmed By: November 30, 2026PolymarketUs98% NoOpen
OpenAI IPO Officially Confirmed By: October 31, 2026PolymarketUs—Open
OpenAI IPO Officially Confirmed By: September 30, 2026PolymarketUs100% NoOpen

Venue activity

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As of Oct 24, 08:33 PM UTC