Tesla Stock May Outpace SpaceX as Musk Bets on Robots Over Rockets

In recent weeks, both Tesla and SpaceX shares have declined sharply, putting pressure on investors bullish on Elon Musk's enterprises. The core challenge is valuation: both companies operate at the frontier of technology (AI robotics, space exploration, satellite connectivity) in ways that traditional financial models struggle to capture. Tesla, trading at roughly 300.0 times trailing price-to-earnings, appears extremely expensive unless one accepts the premise that AI and robotics will eventually generate enormous earnings. SpaceX, privately valued at $1.5 trillion, faces an even steeper valuation hurdle given the speculative nature of projects like asteroid mining and lunar manufacturing. The analyst argues that Tesla should be understood as a physical AI empire rather than a carmaker. The company's investments in Optimus (a humanoid robot), Terafab (hardware to support AI inference), and xAI (Musk's AI intelligence venture) all support this narrative. From this view, Tesla's aggressive spending is not wasteful but foundational—building the infrastructure needed for a robotics-driven economy. Electric vehicles and robotaxi services are secondary products compared to the underlying bet on AI and robotics dominance. SpaceX, by contrast, pursues a longer and more speculative path. Starlink (satellite internet) appears positioned as a near-term cash cow, while Colossus data centers and Terafab supply compute and hardware. The ambitious moonshots—asteroid mining, lunar manufacturing, robots on the moon—depend on technologies that are even further from commercialization. Critically, the analyst observes that SpaceX's most transformative projects may ultimately depend on robotics breakthroughs, which means Tesla's success with Optimus becomes a prerequisite for unlocking SpaceX's full potential. Given this interdependence and different timelines, the analyst favors Tesla as the better near-term opportunity. If Optimus achieves the necessary capabilities, Tesla stock could move higher ahead of SpaceX, since a working robotics platform would both prove the underlying technology and unblock SpaceX's longer-term ventures. The analyst acknowledges that betting against Elon Musk has historically been unwise, noting that Musk has a track record of attempting to make even far-fetched projects work. However, he also stresses that both stocks will remain highly volatile and difficult to value until these companies begin converting their infrastructure spending into measurable cash flow from robotics, satellite services, or space-based manufacturing.