PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedSelected book midpoint
December 31, · —
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Stored reference
December 31, 73%Leader of 10 outcomes
December 31, 73%Market quality
≤74 / 100
Medium quality24h Volume
$76.2K
Liquidity
$204.1K
High liquidityOpen interest
$659.8K
Bid / Ask
— / —
December 31,Spread
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Comments
51
7d Change
-4.0 pts
Market data
Updated 12 minutes ago
Jun 1, 26, 9:08 PM UTCJan 1, 27, 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.
July 31,Lost
June 30,Lost
October 15,Lost
Before close: 0% ·
September 15,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 · December 31,
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
When will Anthropic officially announce an IPO?
KalshiWhat Month in 2026 Will Anthropic IPO in?
Manifold MarketsWill Anthropic’s IPO Form S-1 be public by 31 October 2026?
Manifold MarketsWill Anthropic IPO before OpenAI?
Manifold MarketsAnthropic IPO Closing Market Cap
PolymarketIn which month will Anthropic IPO?
PolymarketRules
This market will resolve to "Yes" if Anthropic shares are listed on a public securities exchange and open for trading by 11:59 PM ET on the listed date.
- Otherwise, this market will resolve to "No."
- If Anthropic is acquired by another company that is already public, this market will immediately resolve to "No."
- The primary resolution source for this market is official filings and announcements from Anthropic and the relevant securities exchange on which the shares are listed, including SEC filings (e.g., Form S-1, Form 8-A), exchange listing confirmations, and official press releases from Anthropic; however a consensus of credible reporting may also be used.
Prediction Source Comparison
- Also available on Manifold Markets — Will Anthropic IPO by….? · December 31 11.59pm ET 72%
- Also available on Limitless — Anthropic IPO by __? · December 31, 2026 73%
