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Updated 1 mo. ago

Will OpenAI’s market cap be between $500B and $750B at market close on IPO day?
0 %
chance
Market brief
- Last 50 trades: 34 buys, 16 sells; the largest was $249 (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
$177K
24h vol.
$166.667
1w vol.
$686.407
1m vol.
$1.7K
Liquidity
$11.6K
Bid / Ask
0¢ / 1¢
Spread 0¢
Last trade
1¢
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¢ | 26 |
| 2 mo. ago | Buy | 0¢ | 26 |
| 2 mo. ago | Sell | 0¢ | 154 |
| 2 mo. ago | Buy | 0¢ | 154 |
| 2 mo. ago | Sell | 0¢ | 320 |
| 2 mo. ago | Buy | 0¢ | 122 |
| 2 mo. ago | Buy | 0¢ | 198 |
| 2 mo. ago | Sell | 0¢ | 82 |
| 2 mo. ago | Buy | 0¢ | 32 |
| 2 mo. ago | Buy | 0¢ | 50 |
| 2 mo. ago | Sell | 0¢ | 170 |
| 2 mo. ago | Buy | 0¢ | 170 |
| 2 mo. ago | Buy | 0¢ | 100 |
| 2 mo. ago | Sell | 0¢ | 34 |
| 2 mo. ago | Sell | 0¢ | 66 |
| 2 mo. ago | Buy | 0¢ | 2,122 |
| 2 mo. ago | Sell | 0¢ | 32 |
| 2 mo. ago | Sell | 0¢ | 100 |
| 2 mo. ago | Sell | 0¢ | 430 |
| 2 mo. ago | Sell | 0¢ | 15 |
| 2 mo. ago | Sell | 0¢ | 204 |
| 2 mo. ago | Sell | 0¢ | 1,000 |
| 2 mo. ago | Sell | 0¢ | 180 |
| 2 mo. ago | Sell | 0¢ | 160 |
| 2 mo. ago | Buy | 100¢ | 90 |
| 2 mo. ago | Sell | 100¢ | 22 |
| 2 mo. ago | Buy | 0¢ | 15 |
| 2 mo. ago | Buy | 0¢ | 10 |
| 2 mo. ago | Buy | 0¢ | 33 |
| 2 mo. ago | Buy | 0¢ | 10 |
| 2 mo. ago | Buy | 100¢ | 249 |
| 2 mo. ago | Buy | 0¢ | 249 |
| 2 mo. ago | Buy | 100¢ | 25 |
| 2 mo. ago | Buy | 0¢ | 23 |
| 2 mo. ago | Buy | 0¢ | 2 |
| 2 mo. ago | Sell | 0¢ | 154 |
| 2 mo. ago | Buy | 0¢ | 4 |
| 2 mo. ago | Buy | 0¢ | 150 |
| 2 mo. ago | Buy | 100¢ | 18 |
| 2 mo. ago | Buy | 0¢ | 18 |
| 2 mo. ago | Buy | 100¢ | 18 |
| 2 mo. ago | Buy | 0¢ | 18 |
| 2 mo. ago | Buy | 100¢ | 4 |
| 2 mo. ago | Buy | 0¢ | 4 |
| 2 mo. ago | Buy | 100¢ | 2 |
| 2 mo. ago | Buy | 0¢ | 2 |
| 2 mo. ago | Buy | 100¢ | 1 |
| 2 mo. ago | Buy | 0¢ | 1 |
| 2 mo. ago | Buy | 100¢ | 1 |
| 2 mo. ago | Buy | 0¢ | 1 |
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