The upcoming SpaceX IPO is generating unprecedented attention among retail traders. Any stock with “space” in its name or having anything to do with space seems to be going up. While long-term prospects of the company can be debated, it seems the only way SpaceX stock is going to go is up as soon as it opens for trading. Traders are freeing up cash to benefit from the IPO, and those already invested in Elon Musk through Tesla (TSLA) may consider selling their stock to benefit from the IPO. Here are three reasons why it makes sense to do so right now.