Prediction markets put the probability at 88%: Will SpaceX have the highest IPO Market Cap 2026. Currently, markets see this as likely (88% YES). SpaceX IPO Analysis 2026: Historic $75 Billion Debut Sends SPCX Stock Soaring 19%.
Down from 90% to 88% since 2026-04-14 (-2pp)
Traded on Polymarket — $324K Volume
Polymarket prices this at 88c YES with $324K in volume. Moderate liquidity — use limit orders for positions above $1K to avoid moving the price.