SpaceX’s share price tumbled below its listing price on Monday, removing over a huge from its market value. Traders ramped up selling as the decline accelerated pace. Short sellers expanded bets against the company while observers warned the stock is likely to end 2026 near current levels due to a large lockup expiration. The drop followed reports pointing to lofty valuation assumptions and weaker revenue growth expectations. The Nasdaq debut comes as the company faces pressure from investment outlooks and market conditions. Observers add ongoing concerns about outlays and challengers in the rocket segment. Institutional players have reduced exposure recently. Volatility has grown as activity fades around key marks.