When will OpenAI officially announce an IPO?

As of Tue, 20 Oct 2026 11:11:58 UTC, Kalshi traders price Before Jun 1, 2027 (51.0%), Before May 1, 2027 (47.0%), Before Apr 1, 2027 (29.0%). The market has $1.6M in volume and closes on Tue, 01 Jun 2027.

Updated:

Current odds

OutcomeChanceYes priceNo price
Before Jun 1, 202751.0%51.0¢49.0¢
Before May 1, 202747.0%47.0¢53.0¢
Before Apr 1, 202729.0%29.0¢71.0¢
Before Mar 1, 202725.0%25.0¢75.0¢
Before Feb 1, 202713.0%13.0¢87.0¢
Before Jan 1, 20274.0%4.0¢96.0¢
Before Dec 1, 20263.0%3.0¢97.0¢
Before Nov 1, 20261.0%1.0¢99.0¢
Before Sep 1, 20261.0%1.0¢99.0¢

Market details

Resolution rules

Each outcome is a separate contract with its own rules. The rules for Before Jun 1, 2027:

If OpenAI confirms an IPO before Jun 1, 2027, then the market resolves to Yes. An IPO is confirmed if 1) the SEC declares the company's Form S-1 effective OR 2) the IPO is priced OR 3) a securities exchange has assigned a ticker to it. As long as any of those events occur, the market will immediately resolve to Yes, even if the company does not start trading until after Jun 1, 2027.

Sources

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