SpaceX-Tesla merger could create a Frankenstein's monster Wall Street can't value

The idea of merging SpaceX and Tesla has been gaining traction, but it could end up resembling the infamous Frankenstein's monster rather than a romantic partnership between friends. Investors may find it challenging to comprehend and assess the value of such a merger.

While both companies share owner Elon Musk and have overlapping AI ambitions, their business portfolios are considerably diverse. SpaceX deals with space missions, internet services, government satellite systems, autonomous vehicles, and humanoid robots. Tesla, on the other hand, focuses on electric vehicles, energy storage, and various long-term bets. Adding these contrasting elements could make the combined entity a complex headache to value, as it straddles multiple industries.

The potential "conglomerate discount" - a phenomenon where the stock price of a diversified company trades lower than the sum of its individual parts - could dampen investor enthusiasm. This discount, reported to be between 13% and 15% in a study from 1995, highlights the skepticism surrounding such conglomerate mergers. Investors may question the company's ability to manage its vast array of businesses, understand its financial health, and identify which segments could subsidize others.

Despite the potential complexity, the merger could offer significant efficiencies in areas like compute and talent. However, investors need to approach such a deal with a broad appetite or a strong stomach, as the combined financials may not always provide a clear picture of the company's true value. The success of the merger will heavily rely on Musk's ability to sell a compelling vision to investors, proving that SpaceX and Tesla were truly meant to be together.