A trader known as "wenyu8888888" has placed a significant $5.7 million bet on a 2x short position against SpaceX, just before the company's anticipated public trading debut. This move marks the largest short position on SpaceX pre-IPO, as the company prepares to go live for public trading tomorrow. The outcome of this bold strategy remains to be seen as market participants await SpaceX's performance on its first day of trading.