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SpaceX SPCX IPO Performance: $160.95 Close, 19% Day-One Gain, and $2.1 Trillion Market Cap on June 12, 2026

SpaceX opened at $150, peaked at $176.52, closed at $160.95 on its first trading day, a 19% gain on a $135 IPO price. Here is the complete breakdown of the largest IPO in stock market history: trading mechanics, intraday moves, market cap crossing $2.1 trillion, index inclusion timeline, Musk becoming a trillionaire, and what happens next for SPCX investors.




