OpenAI IPO Closing Market Cap
0.1 pts (24h)ExchangeAIOne-OffCorporate ActionsEquitiesBusiness & Corporate1y
PolymarketCheck availabilityNo KYC2% feeVerified resolution dataRoughly calibratedCurrent implied probability1.5T+ 34.3%+0.1ptLeader of 7 outcomes
Market quality
69 / 100
Medium quality24h Volume
$6.9
Liquidity
$67.2K
High liquidityBid / Ask
33.8% / 34.6%
Spread
0.8 pt
Tight spread7d Change
+2.1 pts
Market data
Updated 12 minutes ago
Feb 6, 26, 11:10 PMDec 31, 27, 12:00 AM
Trends
Paper funds only — no real moneyNot financial advice
Selected outcome
1.5T+34%
Compare venues· 1.5T+
Ranked by market quality, then liquidity and 24h volumeAlso available on Polymarket
OpenAI IPO Closing Market Cap
0.1 pts5mo
82%
-0.4pt8%
-0.8pt4%
+4 more outcomes
77 • High qualityTight spreadHigh liquidity
Total Vol$2M
24h Vol$1.1K
POLYMARKET
Also available on Manifold Markets
OpenAI closing market cap on IPO day?
2y
93.8%
89.2%
62.7%
+6 more outcomes
Community forecast10 forecastersType: multiple choice
MANIFOLD MARKETSRules
This market will resolve based on OpenAI's market capitalization at the closing price on its first day of trading.
- If no IPO occurs by December 31, 2027, 11:59 PM ET, the market will resolve to "No IPO by December 31, 2027".
- Market capitalization expresses the monetary value of a company’s outstanding shares, stated in its pricing currency.
- It is calculated as the number of shares outstanding multiplied by the closing share price on the first trading day.
- If the relevant value falls exactly between two brackets, then this market will resolve to the higher range bracket.
- Resolution will be based on the primary exchange’s official listing page.
Probabilities may differ due to different market structures, fees, and participant pools.
Volume trend
$7Jul 327d of dataJul 29
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This market will resolve based on OpenAI's market capitalization at the closing price on its first day of trading.
- If no IPO occurs by December 31, 2027, 11:59 PM ET, the market will resolve to "No IPO by December 31, 2027".
- Market capitalization expresses the monetary value of a company’s outstanding shares, stated in its pricing currency.
- It is calculated as the number of shares outstanding multiplied by the closing share price on the first trading day.
- If the relevant value falls exactly between two brackets, then this market will resolve to the higher range bracket.
- Resolution will be based on the primary exchange’s official listing page.