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May 1, 2026 12:40 AM

Elon Musk's SpaceX Could Be Fast-Tracked Into S&P 500 After IPO Under Proposed Rule Changes

The S&P 500, managed by S&P Global Dow Jones Indices, on Thursday, announced it was beginning consultation on rule changes that could potentially help Elon Musk-led SpaceX gain an expedited entry into the index.

S&P 500 Rule Changes

The rule changes include letting IPOs enter the index six months after their debut on an eligible index instead of a 12-month period, according to current rules.

The index also proposed eliminating a minimum Investable Weight Factor (IWF) of 0.10 for megacap companies. The IWF is a methodology used to calculate the number of shares of a company available to trade on the market.

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Notably, the proposed rule changes also eliminate profitability requirements for megacap companies. Current rules require a company to be profitable on a GAAP basis for 12 months to be considered for the index, but that rule could be eliminated.

The ...