Elon Musk’s SpaceX is reportedly targeting a staggering $1.75tn valuation for what would be the largest stock market debut in history. For London investors, this is not merely a headline; it is a stress test for a market already grappling with capital flight and a reputation for discount pricing. The proposed valuation, nearly double that of Tesla at its peak, raises serious questions about fiscal discipline and market efficiency.
Let us strip away the hype. SpaceX is a private company with impressive revenue streams from Starlink and NASA contracts, but $1.75tn implies a price-to-sales ratio that would make even the frothiest tech bubble look conservative. At current estimates, SpaceX’s annual revenue hovers around $15bn. That suggests a multiple of over 100 times sales. Compare that to the S&P 500 average of 2.5 times, or even Tesla’s 6 times. The valuation reeks of speculative froth, a bet on future cash flows that may never materialise.
London’s financial establishment will watch this closely. The City has long prided itself on rigorous valuation standards, but recent years have seen a drift towards American-style exuberance. If SpaceX lists in New York, as widely expected, it will underscore the ongoing capital flight from the UK to deeper, more liquid markets. The pound has already been under pressure, with gilt yields rising as investors demand higher premiums for holding British debt. A successful SpaceX IPO in New York could accelerate that trend, as institutional investors rebalance portfolios towards high-growth US equities.
The timing is particularly irksome. The Bank of England has been fighting inflation with rate hikes, yet the real economy remains sluggish. A $1.75tn IPO would absorb enormous amounts of capital, potentially crowding out other investment opportunities. For UK pension funds, which are already under strain from liability-driven investment strategies, the allure of SpaceX’s rocket dreams may prove irresistible. But caution is warranted. History is littered with high-profile IPOs that soared on day one only to crash back to earth. Remember WeWork? Or even the recent disaster of Arm Holdings, which, despite its AI hype, has yet to justify its valuation.
SpaceX’s success depends on its ability to sustain its current growth trajectory. Starlink is promising, but satellite internet is a capital-intensive business with uncertain long-term demand. Mars colonization remains a science fiction fantasy for now. The valuation of $1.75tn suggests that investors are pricing in a monopoly on space transport and internet connectivity. That is a fragile bet, vulnerable to regulatory changes, technological disruption, or simply the emergence of competitors like Blue Origin.
For the UK, the message is clear. If we want to attract such listings, we must address the structural issues that make London less attractive: stamp duty on share purchases, cumbersome prospectus requirements, and a tax system that penalises capital gains. The government’s recent efforts to reform the listing rules are a step in the right direction, but they are too little, too late. The City risks becoming a museum of finance, admired for its history but irrelevant to the future.
In conclusion, the SpaceX IPO is a siren call. It offers the promise of spectacular returns but also the risk of devastating losses. London investors should approach with caution, not greed. The bottom line is this: $1.75tn is a lot of faith to place in a company that has yet to turn a consistent profit. I would rather buy gilts at current yields than chase this rocket.









