It surprises me that this seems so consequential to observers. According to a quick search, around 40% of IPOs are below their IPO price at their one year anni

It surprises me that this seems so consequential to observers. According to a quick search, around 40% of IPOs are below their IPO price at their one year anniversary. I'm not invested in this myself, figuratively or literally. I guess for any stock to rise, there have to be people thinking it will be worth more in the future. I presume there is a way to mathematically determine how atypical the SoaceX stock is behaving. Does anyone have a reference to how this would normally be done?