Bluechip
Value Investor, Short Seller
AST SpaceMobile's $23B market cap looks hard to justify when the addressable market for ending dead zones is unclear. Space is extremely expensive and hard to profit from without government contracts, the technology is complicated, costly and high-risk, and competition from SpaceX and Amazon LEO adds to the hype risk. x.comÂ
AST SpaceMobile faces growing satellite-cellular competition beyond Starlink Mobile, which, per Starlink, agreed to acquire a nationwide US low-band spectrum portfolio. A later 5,105-satellite direct-to-cell system from Amazon tied to Globalstar is also a threat. AST's best chance is giving AT&T, Verizon and T-Mobile a fighting chance against them; that reliable Starlink Mobile service is a long way off doesn't matter. x.com x.com x.com x.comÂ
AST SpaceMobile remains unattractive on satellite handoff execution: Starlink's broadband service handles handoffs across hundreds of satellites, while ASTS is starting from zero after six years. SpaceX's proven handoff software makes Starlink's move to phone service more predictable. x.com x.com x.comÂ
AST SpaceMobile has more of a moat abroad where Starlink cannot operate. The Ukraine-Starlink dispute is likely to keep Starlink out of the EU and other markets. In the US, the thesis rests completely on mobile network operators that appear to need AST to fight Starlink. AST never had an overall moat, and it should be further ahead by now. x.com x.comÂ
AST SpaceMobile's D2D prospects weaken as telcos look to Amazon and Ligado may give up spectrum. Telcos see Amazon as their most realistic potential savior, though their JV seems poised to sign MOUs with both. People consulted expect Amazon to buy Viasat mainly for international spectrum; US capacity and timing remain uncertain. AST's payments do not cover Ligado's Viasat dues, so Ligado may settle with the US for auction credits and surrender spectrum rights, leaving AST stranded. x.comÂ
SpaceX and Amazon's unlimited resources and talent make AST SpaceMobile an unwise investment. Buying it means competing with both. x.comÂ
AST SpaceMobile's direct-to-phone satellite network makes it an extremely bullish long-term space-economy bet. Partnerships with more than 60 mobile operators representing over 3 billion potential subscribers and about $1.3 billion in contracted revenue backlog support the case. It targets initial, intermittent broadband coverage in five countries before end-2026; its market cap is roughly half Rocket Lab's, though both face significant execution risks. x.comÂ
SpaceX's move makes AST SpaceMobile's future pricing power more uncertain and leaves less room for delays. That makes AST a bearish lean here, despite the real possibility that mobile carriers back it more aggressively if Starlink goes after their customers. AST can still succeed, but execution is far from guaranteed and competition is getting stronger. x.com x.comÂ
SpaceX's satellite network should let Starlink Mobile provide equivalent cellular service with far less terrestrial infrastructure than other carriers. Acquiring some cell towers therefore makes sense. StockSavvyShay says SpaceX is in talks to secure at least 80,000 US cell sites. x.comÂ
AST SpaceMobile looks set to win as European mobile operators seek an alternative to Starlink. Bloomberg reports that some of Europe's biggest operators have agreed to form a consortium to bid for satellite spectrum and offer direct-to-mobile service to counter Starlink. x.comÂ
AST SpaceMobile's reliance on competitor SpaceX for satellite launches weakens its moat further. SpaceX has bought its own spectrum, raising competitive risk. Piper Sandler downgraded ASTS over the pace of 2026-27 launches and SpaceX's potential to limit launch availability or undercut service pricing, though the bank remains constructive beyond 2027. x.comÂ