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SpaceX holds narrow prediction market edge over Anthropic in IPO contest

Polymarket reports its largest IPO by market cap in 2026 market, with 12 possible outcomes, prices SpaceX as the frontrunner at 54 percent and Anthropic next at 46 percent. The market resolves on which company records the highest IPO market cap in 2026.

SpaceX leads Anthropic in Polymarket’s market on which company will record the highest IPO market cap in 2026, according to Polymarket. SpaceX is priced at 54 percent, compared with 46 percent for Anthropic.

The update was published on Oct 31, 2026, at 4:45 PM ET. Those prices put SpaceX ahead by 8 percentage points.

A market focused on IPO valuation

The market includes 12 possible outcomes, according to Polymarket. The supplied summary identifies prices for SpaceX and Anthropic but does not provide prices for the other outcomes.

Resolution depends on which company records the highest IPO market cap in 2026. The contest therefore concerns valuation at IPO, rather than simply whether a company goes public.

What it means for prediction markets

  • SpaceX is the frontrunner at the reported prices, but the 54 percent–46 percent comparison leaves neither named company overwhelmingly favored.
  • The resolution criterion is the highest IPO market cap in 2026; an IPO announcement alone does not establish the winner.
  • The summary provides no trading-volume, liquidity or detailed resolution information, limiting assessment of how strongly the prices reflect trader conviction.
PolymarketInfiniti MarketsInfiniti Signals

Sources & attribution

Published
  1. Source
    Polymarketpolymarket.com
    Publisher
    https://polymarket.com
    Source URL
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