SpaceX has encountered a significant hurdle as S&P Dow Jones Indices announced it will maintain its existing rules regarding the entry of megacap companies into the S&P 500 index. This decision prevents SpaceX, which is seeking to raise $75 billion and achieve a valuation of $1.75 trillion, from gaining early access to the index. The current S&P 500 rules require a company to be profitable in its most recent quarter and over the last four quarters, a condition SpaceX does not meet due to a reported net loss of $4.94 billion in 2025. While S&P will not change its criteria, it will modify rules for its broader indices, allowing SpaceX to be listed on less prominent indices. In contrast, Nasdaq has already adapted its listing requirements for megacap companies like SpaceX, Anthropic, and OpenAI. SpaceX's IPO, expected to be the largest to date, involves selling 555.6 million shares at an initial price of $135 each, potentially making Elon Musk the world's first trillionaire.