The stock price performance of large technology companies before and after IPO is differentiated, and SpaceX's simulated returns are weak

According to public data statistics, the performance of Nasdaq ETF (QQQ) has shown differentiation in returns within 4 trading days before and after the IPO of large technology companies, as well as within 20 trading days after listing. Facebook, Snowflake, Airbnb, and Coinbase mostly recorded positive returns within 20 days after going public, while Uber, Alibaba, and Arm performed weakly or fluctuated greatly. The cumulative return for the first 4 days of SpaceX's simulated IPO window was -6.3%, weaker than some historical samples. There is no linear pattern in the market where the IPO window is bound to rise.