SpaceX completed its initial public offering Friday, opening at $135 per share and closing up 19 percent on its first trading day. The strong debut marks a watershed moment for the space industry and delivers Elon Musk's rocket company to public markets after years of private funding rounds.

The IPO valuation reflects SpaceX's dominance in commercial spaceflight and government contracts. The company commands roughly 60 percent of the global commercial launch market through its Falcon 9 rocket and Dragon spacecraft. NASA depends on SpaceX for crew transport to the International Space Station, while the U.S. military contracts the company for national security launches.

SpaceX's path to public markets accelerated following successful missions including the Starlink satellite constellation deployment and the development of the Starship super-heavy launch system. The company targets Mars colonization with Starship while simultaneously generating revenue through Starlink, which aims to provide global broadband coverage.

The 19 percent first-day pop reflects investor appetite for space infrastructure plays and Musk's track record scaling capital-intensive industries. SpaceX achieved profitability ahead of most Wall Street expectations, driven by recurring government contracts and commercial launch service demand from satellite operators and rideshare customers.

The IPO filing revealed SpaceX generated over $8 billion in annual revenue with strong margins on government contracts. The company carries minimal debt compared to traditional aerospace contractors and maintains substantial cash reserves from prior funding rounds.

Going public allows SpaceX to fund Starship development and Starlink expansion without diluting Musk's control through secondary offerings. The company can now access public debt markets at favorable rates given its cash generation profile.

The strong debut validates the broader space economy thesis. Competitors including Axiom Space, Relativity Space, and Axiom's rival Orbital Reef pursue commercial space station development, while