BA vs SPCX: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of October 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: BA is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. BA and SPCX share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined BA and SPCX exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

Boeing (BA) is one of the two dominant manufacturers of large commercial aircraft in the world and a major US defense, space, and security contractor. Its commercial airplanes division builds jets like the 737, 787, 777, and the in-development 777X, sold to airlines and lessors globally, generating revenue from aircraft deliveries and aftermarket services. Its defense, space and security division builds military aircraft, satellites, weapons systems, and space hardware for the US government and allies. A third segment, Global Services, provides maintenance, parts, modifications, and support for both commercial and military fleets, offering steadier, higher-margin recurring revenue. Boeing operates in a global duopoly with Airbus in large commercial jets, a market protected by enormous barriers to entry, multi-year order backlogs, and high switching costs. However, the company has faced years of difficulty: the 737 MAX grounding, production quality and safety issues, supply-chain strain, and significant losses and debt. Founded in 1916 and headquartered in Arlington, Virginia, Boeing is a large-cap industrial whose recovery hinges on stabilizing production and rebuilding trust.

Full BA guide

SpaceX, formally Space Exploration Technologies Corp., is the largest launch provider in the world and the operator of the largest satellite-broadband constellation. It listed on Nasdaq under SPCX in June 2026 in the largest IPO on record by proceeds, after more than twenty years as a private company. It employs roughly 22,000 people and is classified in Aerospace and Defense.

Full SPCX guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• BA drivers: Commercial duopoly and backlog; Aftermarket services.
• SPCX drivers: Satellite broadband is the revenue engine; Direct-to-device and carrier partnerships.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: Boeing has endured years of crises: the 737 MAX grounding after two fatal crashes, ongoing production-quality and safety incidents, regulatory scrutiny from the FAA, and supply-chain constraints, all of which have slowed deliveries and produced large losses. For SPCX, spaceX is not profitable: net margin ran around negative 36 percent on roughly $23 billion of trailing revenue, with a trailing net loss of about $8.9 billion, even though EBITDA of about $5.9 billion is positive and the trailing operating margin is close to break-even at about -1.8 percent.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick BA if you believe its drivers more; SPCX if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the BA and SPCX guides.

BA. Boeing is a turnaround story, so trailing earnings and P/E (about 68x trailing, 50x forward) are distorted by one-off items and recent quarterly losses. Investors value it on the duopoly franchise, the enormous backlog, and the potential for free cash flow to recover as production stabilizes; analysts expect a 2026 loss of about $1.10 per share and EPS near $3.77 in 2027. The consensus rating is buy with an average target near $268, but several firms trimmed targets in October 2026 ahead of the October 27 report, and the valuation reflects a wide range of outcomes and high execution risk.

SPCX. SpaceX is valued as a growth company rather than an aerospace contractor, and the gap is stark: the defense primes trade on single-digit to low-double-digit multiples of earnings, while SPCX trades at roughly 83 times trailing sales and about 73 times forward earnings. Gross margin near 52 percent reflects the subscription mix in Connectivity, and the trailing operating margin has moved close to break-even, but the net result is still a loss because depreciation and development costs are large. The forward multiple depends on consensus EPS rising from about $0.09 in 2026 to about $2.08 in 2027; 31 analysts carry a mean target near $221 against a price of about $146.

Headline figures (approximate, October 2026): BA shows revenue (ttm) ~$94 billion; Q2 2026 ~$24.6 billion (up ~8% YoY), operating margin Roughly breakeven (TTM); gross margin ~5%, earnings TTM net income ~$2.1 billion (EPS ~$2.80), but Q1 and Q2 2026 were losses; Q2 core EPS -$0.76 vs ~-$0.31 expected, free cash flow ~$5.6 billion (TTM); Q2 2026 ~$631 million; SPCX shows revenue (ttm) ~$23.0 billion, revenue growth (q2 2026) ~92% year over year, on ~$7.81 billion of quarterly revenue, margins (ttm) ~52% gross, ~-1.8% operating, ~-36% net, net loss (ttm) ~-$8.9 billion; Q2 2026 EPS ~-$0.09 vs ~-$0.29 expected.

BA and SPCX are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined BA and SPCX exposure against your real portfolio. It is not an investment adviser.