PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedCurrent implied probability
June 30, 2027 49.5%-3.5ptLeader of 8 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
78 / 100
High quality24h Volume
$3.4K
Liquidity
$61.4K
High liquiditySpread
0.4 pt
Tight spreadComments
12
7d Change
-0.3 pts
Market data
Updated 6 minutes ago
Oct 30, 25, 12:29 AM UTCDec 31, 26, 12:00 AM UTC
Trends
0%
0%
0%
0%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
OpenAI IPO Closing Market Cap
PolymarketOpenAI IPO before 2027?
Manifold MarketsOpenAI $1t+ IPO before 2027?
PolymarketWill Anthropic or OpenAI IPO first?
Manifold MarketsWill OpenAI IPO and be a publicly traded company in the United States by the end of Halloween 2026?
Manifold MarketsOpenAI 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 8%
Open markets
AI
KALSHITop AI model in September?
- claude-fable-5.1-max+60.0pt71%
- claude-opus-5-max+1.0pt7%
- claude-opus-4-6-thinking4%
+3 more outcomes
- Total Vol
- $154.3K
- 24h Vol
- $116.6K
KALSHIBest AI at the end of 2026?
- Claude+4.8pt60.8%
- ChatGPT+0.5pt25.5%
- Grok-3.4pt5.9%
+5 more outcomes
- Total Vol
- $10.5M
POLYMARKETAnthropic IPO by which date?
- December 31,-1.0pt90%
- December 15,+1.0pt86%
- November 30,84%
+7 more outcomes
- Total Vol
POLYMARKETWill CMI declare a Millennium Prize Problem solved by which date?
- 2028+22.0pt62.2%
- 2027+11.0pt28.6%
- 2026+4.5pt9.2%
KALSHIBest AI in Sep 2026?
- Claude+5.0pt80.4%
- ChatGPT-2.0pt12.2%
- Grok2.8%
+4 more outcomes
- Total Vol
- $374.6K
- 24h Vol
POLYMARKETOpenAI’s Astra Model: Text Arena Debut?
- 1480+-1.0pt66%
- 1490+-3.0pt51%
- 1500+-1.0pt30%
+2 more outcomes
- Largest IPO by market cap in 2026?
- OpenAI IPO Closing Market Cap
- When will OpenAI achieve AGI?
- OpenAI announces it has achieved AGI before 2027?
- Will Anthropic’s valuation hit __ by December 31?
- Will OpenAI's valuation hit __ by December 31?
- Next Google Gemini Pro Model released by which date?
- Anthropic IPO Closing Market Cap
- What will OpenAI's IPO valuation be?
- Which company has best AI model end of 2026?
Frequently asked questions
- What are the current odds for OpenAI IPO by which date??
- Polymarket prices June 30, 2027 at 50% as of September 8, 2026.
- When does OpenAI IPO by which date? resolve?
- OpenAI IPO by which date? is scheduled to resolve on December 31, 2026.
- How is OpenAI IPO by which date? settled?
- Polymarket settles this market as follows: 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.
- Where else is OpenAI IPO by which date? listed?
- The same question is also listed on Limitless.