The Earth’s entire economy is projected to produce $126 trillion of output this year, measured at market exchange rates, in the International Monetary Fund’s April forecast. SpaceX closed Thursday at a $2.2 trillion market capitalization, so the world’s annual output is about 57 times the company’s value. On Thursday, Elon Musk wrote on X that he sees SpaceX one day worth “orders of magnitude more than the current Earth economy,” as Business Insider reported. Read as at least two orders of magnitude beyond world output, that implies a market cap above $12 quadrillion — roughly 5,500 times Thursday’s price. A $1,000 investment would have to become $5.5 million.
This will sound super crazy, but I see a path to SpaceX being worth orders of magnitude more than the current Earth economy
Each step in that chain is doing work. The $126 trillion is an IMF projection, not a measurement. The “orders of magnitude” is Musk’s phrase with no number attached. And the jump from “more than the Earth economy” to “100 times the Earth economy” is the maximal reading of it. What the arithmetic shows is the distance between the claim and the present: for the stock to rise 5,500-fold, either the business must grow by something like 5,500 times its current scale, or buyers must pay ever more per dollar of it.
What’s under the hood today
SpaceX reported $7.8 billion of revenue in the second quarter, up 92% from a year earlier, and a net loss of $541 million, narrowed from $1 billion in the same quarter last year. Annualized, the quarter is about $31.2 billion of revenue, so Thursday’s $2.2 trillion valuation is roughly 70 times current sales. Musk told Wall Street analysts in August that the company was internally projecting $1 trillion of revenue in 2030, with a “non-zero chance” of hitting it in 2029. Getting from $31.2 billion annualized to $1 trillion in about five years requires growth near 100% a year, compounded — the dry observation being that Q2’s 92% was at least in the neighborhood.
Beyond that, the math stops cooperating. Even if SpaceX reaches $1 trillion of revenue in 2030 and then grows revenue another 100-fold to $100 trillion — a number larger than any economy on Earth except, just barely, all of them combined — revenue would still be less than 1% of the $12.6 quadrillion valuation Musk’s phrasing implies. The valuation cannot be a multiple of anything the business currently does or projects.
The discount-rate problem
Analysts asked about the post mostly reached for valuation mechanics. “I guess his idea is that SpaceX will open up new colonies or human civilizations beyond the Earth, and thus tap into minerals, energy, and growth beyond what we are capable of with the finite resources we have available to us here,” Russ Mould, AJ Bell’s investment director, told Business Insider by email. He pointed to “considerable risks and obstacles” and “considerable expense,” and argued that in a discounted cash flow model — which values a company as the sum of its future cash flows, shrunk by a rate reflecting risk — those distant cash flows deserve an “extremely high” discount rate, so the “theoretical value of SpaceX equity may not be as high as some might think.”
Ipek Ozkardeskaya, a senior analyst at Swissquote Bank, made the cost side explicit: “What he doesn’t say is how much it will cost to get there!” Neil Wilson, investor strategist at Saxo UK, called Musk “a believer and a stargazer,” said he is “obviously overegging it,” and noted that “even a tiny fraction of that amount makes SpaceX incredibly valuable.” Wilson also flagged nearer-term exposure: SpaceX, he said, is “massively exposed to AI bubble risk and relies on the debt financing bandwagon to keep rolling.” That is not hypothetical leverage — rews has reported on SpaceX’s $40 billion loan for Nvidia chips, which pushed its default insurance to a record. His advice was to treat the post as a “bit of classic Musk hype and theatre” and “focus on what’s going on under the hood.”
Musk himself walked the claim back one notch on Friday: “‘Seeing a path’ is not a statement of extreme confidence that we will achieve that outcome. Just means that I believe there is such a path and the probability of achieving it is not zero.” A non-zero probability is a low bar, and it is also unfalsifiable. The checkable number in the meantime is the internal one: $1 trillion of revenue in 2030, against $31.2 billion annualized today.