SpaceX Shares Soared After Their First Day of Trading, Post-IPO. Will the Stock Keep Rising?

SpaceX surged after its IPO, closing near $201.80 on June 16, about 50% above its $135 offering price and implying a $2.6 trillion market value. The article highlights strong Starlink scale and profitability, but warns that ARPU fell from $91 in 2024 to $66 in Q1 2026 and that AI expansion remains capital-intensive, with $6.4 billion in AI operating losses and $12.7 billion in AI capex in 2025. A $1.25 billion-per-month Anthropic compute deal adds growth potential, but leverage remains high at $29.1 billion of debt.

Analysis

The market is pricing SpaceX as if launch dominance is durable, but the more important second-order effect is that launch frequency is now a bottleneck reducer for Starlink, not just a revenue driver. That matters because the business is increasingly a capacity-arbitrage story: every additional launch lowers per-bit delivery cost and widens the moat versus legacy satellite operators, but it also accelerates price compression by bringing in lower-income geographies and lower-ARPU plans. In other words, scale is still winning, but the marginal dollar of growth is becoming less valuable.

The bigger hidden risk is not competition from other satellite firms; it is internal cannibalization of economics. If Starlink remains the only profitable unit while AI infrastructure absorbs outsized capex, the equity starts to trade like a leveraged infrastructure roll-up with a consumer broadband business attached. That creates a nasty asymmetry: sentiment can support the stock for months, but any slip in ARPU, delay in AI monetization, or refinancing discomfort around the bridge loan could compress the multiple quickly because the market is already capitalizing a very optimistic terminal margin profile.

Consensus is likely underestimating how much of the current valuation depends on uninterrupted execution across two capital-intensive businesses at once. The AI opportunity is real, but the near-term cash drain means the stock is vulnerable to a 'growth at any price' reset if investors start discounting dilution, debt extension risk, or lower-than-expected utilization on new compute capacity. The strongest contrarian angle is that the launch business is mature and highly visible, while the AI buildout is still a promise; that mismatch usually favors selling strength once post-IPO index flows fade.

Key Decisions for Investors

• Short near-dated upside in SPCX via call overwrites or bearish call spreads into strength; thesis: post-IPO momentum and index buying can persist for weeks, but valuation is already discounting flawless execution across Starlink and AI. Risk/reward improves if the stock rallies on sentiment rather than new fundamental data.
• Pair trade: long NVDA / short SPCX on any AI-infrastructure enthusiasm. NVDA captures the higher-quality, asset-light monetization of AI demand, while SPCX is still funding capacity buildout ahead of profits; this is a cleaner way to express 'AI wins' without balance-sheet risk.
• Avoid chasing the stock for 3-6 months; wait for the first evidence of ARPU stabilization or AI utilization inflection. If ARPU keeps drifting lower, the market may de-rate the connectivity segment first before questioning launch economics.
• For aggressive traders, buy downside protection on SPCX around the first debt/refinancing headlines over the next 6-12 months. The bridge loan maturity creates a discrete event risk that can matter well before operating fundamentals fully deteriorate.
• Relative-value idea: overweight terrestrial broadband and cloud infra beneficiaries versus SPCX if Starlink price competition intensifies. The market is likely underappreciating that lower Starlink pricing can pressure incumbent satellite competitors but also tighten margins inside the winner itself.