SpaceX could be worth $100 trillion in 10 years: Elon Musk. SpaceX CEO Elon Musk said the company could reach a valuation of over $100 trillion within 10 years, barring a major world war. He earlier claimed SpaceX, currently valued at $2 trillion, could be "worth more than the rest of Earth". An X user responded, "Just like you said Tesla would be...All we got was 5 years of stock horror.".