PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedCurrent implied probability
November 2026 60.6%+2.9ptLeader of 17 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
November 2026 60.6%+2.9ptMarket quality
77 / 100
High quality24h Volume
$13.3K
Liquidity
$91.4K
High liquiditySpread
2.2 pt
Moderate spreadComments
4
7d Change
+6.7 pts
Market data
Updated 7 minutes ago
Aug 19, 26, 1:36 PM UTCJan 1, 28, 4:59 AM UTC
Trends
September 2026Lost
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
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Anthropic IPO Closing Market Cap
PolymarketWhat will Anthropic's IPO valuation be?
PolymarketAnthropic IPO Closing Market Cap (Middle Brackets)
PolymarketAnthropic IPO closing market cap above ___ ?
PolymarketWhich bank will lead Anthropic's IPO?
KalshiAnthropic IPO Closing Market Cap (Middle Brackets)
LimitlessRules
This market will resolve based on the calendar month (ET) in which Anthropic's initial public offering (IPO) occurs.
- The resolving month will be the calendar month (ET) containing the first day on which Anthropic shares are listed and open for regular-way trading on a public securities exchange.
- An IPO refers to Anthropic shares becoming listed and open for trading on a public securities exchange, whether through a traditional initial public offering or a direct listing.
- If Anthropic goes public through a merger, acquisition, or absorption by an entity that is already publicly traded, including a special purpose acquisition company, this market will resolve to "the named outcome".
- If no IPO occurs by December 31, 2027, 11:59 PM ET, the market will resolve to "the named outcome".
- Announcements, filings, or scheduling of an IPO will not suffice; this market will resolve after public trading has begun.
Prediction Source Comparison
2 venues currently price this market. CoinRithm's liquidity-weighted reference probability for November 2026 is 63%.
CoinRithm reference November 2026 63% · 2 venues · 0 pt venue spread
- Also available on Limitless — In which month will Anthropic IPO? · November 2026 63%