As of October 24, 2026, 07:43 PM ET, Polymarket traders price June 30, 2027 at 39.5% in OpenAI IPO by...? — $3.10M traded so far.
The leading outcome, June 30, 2027, is priced at 39.5%.
Price changes for the leading market — 24 hours: +3.0 pts; past week: +5.0 pts; past month: -17.5 pts.
Since August 28, 2026, June 30, 2027 has traded between 32.5% and 59.0%. It opened at 51.0% and last traded at 39.5%.
| Day | Close |
|---|---|
| Oct 17, 2026 | 34.5% |
| Oct 18, 2026 | 34.5% |
| Oct 19, 2026 | 33.5% |
| Oct 20, 2026 | 33.5% |
| Oct 22, 2026 | 33.5% |
| Oct 23, 2026 | 36.5% |
| Oct 24, 2026 | 39.5% |
June 30, 2027 is favored at 39.5%.
| Outcome | Price | Implied probability | 24h change | Volume | Volume share |
|---|---|---|---|---|---|
| June 30, 2027 | 40¢ | 39.5% | +3.0 pts | $8.8K | 0.3% |
| March 31, 2027 | 20¢ | 20.5% | +1.0 pts | $6.7K | 0.2% |
| December 31, 2026 | 4¢ | 3.5% | — | $1.09M | 35.1% |
See the full live book for this market on Polymarket
The leading market's spread is 1¢ (bid 39¢ / ask 40¢) — a tighter spread means cheaper round-trip trading.
$3.10M has been traded on this event in total, $3.7K of it in the last 24 hours, across 3 markets.
This market is scheduled to end June 30, 2027, 11:59 PM ET.
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.
The largest current holder of the leading market holds 1,645 shares of Yes.
| Holder | Outcome held | Shares | Value at current price |
|---|---|---|---|
| Fond-Lacquerware | Yes | 1,645 | $650 |
| Sad-Catalysis | No | 1,093 | $661 |
| Fickle-Halt-Window | No | 385 | $233 |
| Pure-Threat | No | 373 | $226 |
| Wobbly-Chain | Yes | 300 | $118 |
| Known-Use | No | 192 | $116 |
| Jealous-Bat | Yes | 185 | $73 |
| Clumsy-Starboard | No | 150 | $91 |
| Different-Windshield | Yes | 100 | $40 |
| Speedy-Bartender | No | 100 | $60 |
| Time | Outcome | Side | Price | Size |
|---|---|---|---|---|
| Oct 24, 11:32 AM ET | No | BUY | 97.0% | $5 |
| Oct 24, 11:32 AM ET | No | BUY | 97.0% | $10 |
| Oct 24, 11:32 AM ET | No | BUY | 96.9% | $5 |
| Oct 24, 11:32 AM ET | No | BUY | 96.9% | $5 |
| Oct 24, 11:32 AM ET | No | BUY | 96.8% | $5 |
| Oct 24, 11:32 AM ET | No | BUY | 96.8% | $9 |
| Oct 24, 11:32 AM ET | No | BUY | 96.7% | $140 |
| Oct 24, 09:50 AM ET | No | SELL | 79.0% | $0 |
| Oct 24, 09:50 AM ET | Yes | BUY | 21.0% | $2 |
| Oct 24, 09:50 AM ET | Yes | BUY | 21.0% | $2 |
As of October 24, 2026, 07:36 PM ET, the leading outcome is June 30, 2027 at 39.5%. Next is March 31, 2027 at 20.5%. See the live book on Polymarket: https://polymarket.com/event/openai-ipo-by?via=bro
$3.10M in total volume, with $3.7K traded in the last 24 hours across 3 markets.
The market is scheduled to end June 30, 2027, 11:59 PM ET.
June 30, 2027, priced at 39.5% as of October 24, 2026, 07:36 PM ET. Prices are implied probabilities backed by real-money trading.
Browse the live odds index, today's biggest movers, and Whale Watch for the largest positions.
Prices move fast. Check the live book, read the resolution rules, and size small while you learn.
Sign Up on PolymarketNew here? Start with the complete beginner guide, then run any stake through the payout calculator before you trade.