OpenAI IPO closing market cap above ___ ?
2.0 pts (24h)ExchangeAICustomCorporate ActionsEquitiesBusiness & Corporate1y
PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedSelected book midpoint
$800B · —
Loading selected book…
—
Stored reference
$800B 75%Leader of 7 outcomes
$800B 75%Market quality
59 / 100
Medium quality24h Volume
$1.9K
Liquidity
$16.2K
Medium liquidityOpen interest
$24.7K
Bid / Ask
— / —
$800BSpread
—
Comments
3
7d Change
-2.9 pts
Market data
Updated 16 minutes ago
Jan 31, 26, 12:27 AM UTCJan 1, 28, 4:59 AM UTC
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 0.1 percentage points
- Fees:
- Yes
Top holders
Loading top holders
Market depth · $800B
Loading selected book…
—
Related Markets
Related questions for context, not a comparison of equivalent contracts.
OpenAI IPO Closing Market Cap
PolymarketAnthropic IPO Closing Market Cap
PolymarketAnthropic IPO Closing Market Cap (Middle Brackets)
PolymarketAnthropic IPO Closing Market Cap (Lower Brackets)
PolymarketAnthropic IPO Closing Market Cap (Middle Brackets)
LimitlessAnthropic IPO Closing Market Cap
LimitlessRules
This market will resolve to “Yes” if the official closing price for OpenAI's market capitalization on its first trading day is above the listed value.
- Otherwise, it will resolve to “No”.
- If no IPO occurs by December 31, 2027, 11:59 PM ET, this market will resolve to “No”.
- Market capitalization is defined as the total number of outstanding shares multiplied by the closing share price on the first trading day.
- Resolution will be based on the primary exchange’s official listing page.
- In the event that the relevant figure is not displayed, another reliable source will be used.
