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OpenAI IPO? — Polymarket Odds

Updated September 23, 2026 · Category: Economy & Fed · Market end date: July 1, 2027

As of September 23, 2026 at 15:49 UTC, the leading outcome is By June 30, 2027 at 57%, followed by By March 31, 2027 at 31%, By December 31, 2026 at 3.6%. The market has $3.02M in total volume and $6.9K in the last 24 hours.

Current odds

OutcomeProbability24h changeVolume
By June 30, 202757%
+1.5 pts$136
By March 31, 202731%
+0.5 pts$649
By December 31, 20263.6%
+0.1 pts$1.02M
By September 30, 20260.1%
+0.1 pts$150.2K
By June 30, 2026 (settled)0.0%
$957.5K
By December 31, 2025 (settled)0.0%
-0.1 pts$495.5K
By August 31, 2026 (settled)0.0%
$207.4K
By July 31, 2026 (settled)0.0%
$184.1K

Total volume $3.02M · 24h volume $6.9K · Liquidity $98.9K. Prices are Polymarket YES-share prices read as probabilities; they are not executable quotes.

30-day price history

0%25%50%75%100%Aug 24Sep 23

By June 30, 2027 By March 31, 2027 By December 31, 2026 · 30-day price history (12-hour points)

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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.

Summary of the market's published rules. The rules on Polymarket control settlement; check them there before relying on any outcome: open this market on Polymarket.

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Frequently asked questions

What are the current Polymarket odds for OpenAI IPO?

As of September 23, 2026 at 15:49 UTC, the leading outcome is By June 30, 2027 at 57%, followed by By March 31, 2027 at 31%, By December 31, 2026 at 3.6%. The market has $3.02M in total volume and $6.9K in the last 24 hours.

When does the OpenAI IPO market end?

The event's listed end date is July 1, 2027. Each outcome settles under the market's written rules, summarised on this page, which can differ from the end-date field.

How are these odds calculated?

They are the displayed prices of each outcome's YES share on Polymarket. A price of 60¢ implies roughly a 60% chance. This page refreshes the numbers twice a day, so they are not live quotes.

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Polymarket View, “OpenAI IPO? — Polymarket odds”, September 23, 2026, https://polymarkettrader.com/odds/openai-ipo/ (data: Polymarket, CC BY 4.0).

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