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Updated 2 mo. ago

Will OpenAI’s market cap be between $1T and $1.25T at market close on IPO day?
0 %
chance
Market brief
- Last 50 trades: 36 buys, 14 sells; the largest was $259 (buy). Too few trades of $5K+ for a big-money read.
- Historically, 2% of Polymarket Tech markets priced 0–5% seven days before the end resolved YES (139 cases).
- Scheduled to end in 2 mo. (Jan 1, 2027).
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OpenAI IPO Closing Market Cap
7 outcomesTotal volume
$228.5K
24h vol.
$1.01
1w vol.
$228.316
1m vol.
$969.686
Liquidity
$15.4K
Bid / Ask
0¢ / 1¢
Spread 0¢
Last trade
0¢
Start date
Sep 23, 2025
End date
Jan 1, 2027
ends in 2 mo.
How reliable is this price range?
Of 139 resolved Polymarket Tech markets priced 0–5% seven days before resolution, 2.2% resolved YES. Their average price was 1.0%. In this range the price has been a reliable guide.
A historical frequency for the price range, not a probability for this market and not advice. How we measure this
What a plan adds on this market
Only what exists for this market right now.
- Full AI research reportProA cited research report on demand: probability, bull and bear case, key facts with sources.
- Your forecasts, scoredProSave your call on this market and see it scored against the result.
Order book and recent tradesDepth, spread and up to 50 recent trades
Orderbook
Spread: 0¢Snapshot from cache
Recent trades (50)
| Time | Side | Price | Size |
|---|---|---|---|
| 2 mo. ago | Buy | 100¢ | 40 |
| 2 mo. ago | Buy | 0¢ | 40 |
| 2 mo. ago | Buy | 100¢ | 174 |
| 2 mo. ago | Buy | 0¢ | 59 |
| 2 mo. ago | Buy | 0¢ | 115 |
| 2 mo. ago | Buy | 100¢ | 100 |
| 2 mo. ago | Buy | 0¢ | 85 |
| 2 mo. ago | Buy | 0¢ | 15 |
| 2 mo. ago | Buy | 100¢ | 85 |
| 2 mo. ago | Buy | 0¢ | 85 |
| 2 mo. ago | Buy | 1¢ | 50 |
| 2 mo. ago | Sell | 1¢ | 11 |
| 2 mo. ago | Sell | 1¢ | 15 |
| 2 mo. ago | Sell | 1¢ | 23 |
| 2 mo. ago | Buy | 1¢ | 25 |
| 2 mo. ago | Sell | 1¢ | 25 |
| 2 mo. ago | Buy | 1¢ | 97 |
| 2 mo. ago | Sell | 1¢ | 97 |
| 2 mo. ago | Buy | 100¢ | 259 |
| 2 mo. ago | Buy | 0¢ | 259 |
| 2 mo. ago | Buy | 100¢ | 85 |
| 2 mo. ago | Buy | 0¢ | 85 |
| 2 mo. ago | Buy | 100¢ | 15 |
| 2 mo. ago | Buy | 0¢ | 15 |
| 2 mo. ago | Buy | 0¢ | 313 |
| 2 mo. ago | Sell | 1¢ | 4 |
| 2 mo. ago | Sell | 1¢ | 5 |
| 2 mo. ago | Sell | 1¢ | 8 |
| 2 mo. ago | Sell | 1¢ | 6 |
| 2 mo. ago | Buy | 100¢ | 25 |
| 2 mo. ago | Sell | 0¢ | 20 |
| 2 mo. ago | Sell | 0¢ | 39 |
| 2 mo. ago | Sell | 0¢ | 207 |
| 2 mo. ago | Sell | 0¢ | 1,562 |
| 2 mo. ago | Buy | 0¢ | 118 |
| 2 mo. ago | Buy | 0¢ | 1,444 |
| 2 mo. ago | Sell | 0¢ | 333 |
| 2 mo. ago | Buy | 0¢ | 333 |
| 2 mo. ago | Buy | 100¢ | 200 |
| 2 mo. ago | Buy | 0¢ | 200 |
| 2 mo. ago | Buy | 100¢ | 100 |
| 2 mo. ago | Buy | 0¢ | 100 |
| 2 mo. ago | Buy | 100¢ | 60 |
| 2 mo. ago | Buy | 0¢ | 60 |
| 2 mo. ago | Buy | 100¢ | 80 |
| 2 mo. ago | Buy | 0¢ | 80 |
| 2 mo. ago | Buy | 100¢ | 99 |
| 2 mo. ago | Buy | 0¢ | 5 |
| 2 mo. ago | Buy | 0¢ | 94 |
| 2 mo. ago | Buy | 100¢ | 60 |
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