PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedSelected book midpoint
June 30, 2027 · —
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Stored reference
June 30, 2027 36%Leader of 8 outcomes
June 30, 2027 36%Market quality
≤74 / 100
Medium quality24h Volume
$22.1K
Liquidity
$77.7K
High liquidityOpen interest
$140.4K
Bid / Ask
— / —
June 30, 2027Spread
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Comments
16
7d Change
-0.8 pts
Market data
Updated 6 minutes ago
Oct 30, 25, 12:29 AM UTCJul 1, 27, 3:59 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.
AugustLost
Before close: 0% ·
December 31, 2025Lost
JulyLost
Before close: 0% ·
June 30,Lost
Before close: 0% ·
September 30,Lost
Before close: 0% ·
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 1 percentage points
- Fees:
- Yes
Top holders
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Market depth · June 30, 2027
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will OpenAI IPO and be a publicly traded company in the United States by the end of April Fools 2027?
Manifold Marketsthird wave of philanthropy seems to be happening within a year of anthropic&openai IPO?
Manifold MarketsWhat will OpenAI's IPO valuation be?
LimitlessWhat will OpenAI's IPO valuation be?
PolymarketOpenAI IPO Closing Market Cap
PolymarketOpenAI IPO Closing Market Cap
PolymarketRules
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.
Prediction Source Comparison
- Also available on Limitless — OpenAI IPO by __? · December 31, 2026 4%
