Michael Burry, the fund manager on whom the film The Big Short (2015) was based and who became famous (and wealthy) for anticipating the subprime mortgage crisis, published on his blog in December 2025 his conviction that Tesla, Elon Musk’s electric vehicle and energy company, had been “ridiculously overvalued for a long time.” In his view, the company’s value to investors was only being diluted over time, in part by the exorbitant compensation paid to Musk, which does not match Tesla’s actual profits. Tesla’s stock has risen 115% over the past five years despite never having paid a dividend since its debut on the market a decade ago. Nearly six months have passed, but Burry’s thesis remains intact. In recent remarks he echoed a market rumor that Musk would use SpaceX’s initial public offering to merge it with Tesla, which would further dilute the value of a company that is currently the ninth-largest in the world by market capitalization ($1.64 trillion).

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La salida a Bolsa de SpaceX ha situado a los inversores ante uno de los ejercicios de valoración más complejos de los últimos años. La compañía del magnate estadounidense Elon Musk ha debutado en el mercado con una valoración cercana a los dos billones de dólares (unos 1,7 billones de euros), una cifra que la que se sitúa entre las empresas más valiosas del mundo, pero que ha reabierto un debate en Wall Street sobre cómo poner precio a negocios cuya valoración depende tanto de expectativas futuras como de la fe en algo tan abstracto a día de hoy como los viajes espaciales y la colonización de Marte.

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