Refers to the highly anticipated initial public offering (IPO) of SpaceX, the aerospace manufacturer and space transportation company founded by Elon Musk, which plans to file its prospectus as early as late March 2026 for a potential listing later that year.

A term used in financial and investment contexts to describe the event or speculation surrounding SpaceX becoming a publicly traded company, potentially raising tens of billions at a multi-trillion-dollar valuation.