Largest IPO by market cap in 2026?

Polymarket prices 13 outcomes on this event. SpaceX is the shortest at 64¢, 28 points clear of Anthropic. The prices sum to 126¢, so the book carries about 26.2 points of operator margin; the fair column is those prices with that margin removed. Trading closes 31 December 2026, 136 days from now. $5.4m has traded on it.

Showing the 12 most likely of 13 runners.

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