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OpenAI IPO by odds

The highest-priced market in “OpenAI IPO by” is June 30, 2027 at 41% (+1.0 pts in the last 24 hours), ahead of March 31, 2027 at 21%. Each market resolves on its own, so these prices do not have to add up to 100%.

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Prices refresh every few minutes. Probabilities are not predictions or advice, and you can lose what you trade.

Probability over the last 30 days

The top 3 outcomes right now.

Sep 26Oct 26
June 30, 2027March 31, 2027December 31, 2026

All 3 outcomes and their odds

Probability is the share price. Decimal odds show what $1 returns if that outcome wins, before fees. American odds show the same price as a moneyline: +150 pays $150 on a $100 stake, −200 needs $200 to win $100.

Odds as of

Where this market stands

“OpenAI IPO by” is a Polymarket event with 3 open outcomes. June 30, 2027 has the highest price at 41%, ahead of March 31, 2027 at 21%. June 30, 2027 is up 1.0 points over the last 24 hours and up 7.0 points over the past week. Traders have put $3.1M through the event so far, including $2,449 in the last 24 hours, and it is scheduled to end on July 1, 2027.

Whale trades in this market

The latest trades of $1,000 or more on this event, newest first.

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How this market resolves

This market will resolve to "Yes" if OpenAI completes an Initial Public Offering (IPO) by the listed date ET, as confirmed by official company announcements and credible news sources. Otherwise, this market will resolve to "No".

The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange.

If OpenAI is acquired by another company that is already public, this market will immediately resolve to "No."

The resolution source for this market is a consensus of credible reporting.

Rules are written by Polymarket and shown as published. WhaleSays does not settle markets.

Common questions

New to this? Our guide covers how to make your first trade.

Will OpenAI IPO by June 30, 2027?
Polymarket currently prices Yes at 41% in this market, which is decimal odds of 2.47 (American +147): $1 staked on Yes returns about $2.47 if it resolves Yes, before fees. In the last 24 hours the price moved up 1.0 points.

Related odds

OpenAI IPO Closing Market Cap

  • 1.5T+38%
  • No IPO by December 31, 202737%
  • 1.25T–1.5T12%

$570K traded · $2,663 in 24h

OpenAI IPO closing market cap above ___ ?

  • $800B75%
  • $1T70%
  • $1.4T51%

$1.6M traded · $521 in 24h

Will Anthropic or OpenAI IPO first?

  • Anthropic95%

$441K traded · $3,502 in 24h