Anthropic
SpaceX
OpenAI
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KrakenLargest IPO by market cap in 2026?
Updated 3h ago
Market analysis
Analysis generated Aug 31, 2026
Polymarket prices Anthropic at 61% for the largest 2026 IPO by market cap, reflecting expectations that its pending October listing at a projected $2 trillion valuation will exceed SpaceX's June IPO at $1.75 trillion. SpaceX has already traded but Anthropic's filing and Goldman Sachs/Morgan Stanley underwriter confirmation signal a material path to public markets this fall, though execution remains contingent on SEC review and market conditions. The 35% SpaceX odds reflect lingering uncertainty about whether Anthropic's ambitious valuation will hold through to pricing.
As of September 9, 2026, the Polymarket odds for Largest IPO by market cap in 2026? are: Anthropic: 59%, SpaceX: 38%, OpenAI: 2%. These probabilities are derived from real-money trading and update in real time.
Largest IPO by market cap in 2026? is currently listed on Polymarket. Check PredictMarketCap for cross-platform availability — we surface the same event on Polymarket, Kalshi, Limitless & Predict.fun when it's listed on more than one platform.
Prediction market odds reflect the aggregate opinion of traders who risk real money on outcomes. The price of a share (e.g., 65¢) represents the market's implied probability (65%). Prices move as traders buy and sell based on new information, polls, and analysis.
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