Nasdaq's new listing methodology goes into effect today, featuring rule changes that appear tailor-made for SpaceX's anticipated IPO. The exchange eliminated minimum free float requirements, introduced 15-day fast-track index inclusion, and adopted modified market capitalization rules that value companies with less than one-third free float at three times their float. These changes directly address barriers that would have previously excluded SpaceX from the Nasdaq-100.

The timing reflects fierce competition between exchanges. Nasdaq lost several major tech IPOs including Figma, Klarna, and Circle to the New York Stock Exchange last year. With SpaceX planning to float $75bn of stock at a $1.75tn valuation — representing just 4.3% of the company — the old rules would have blocked index inclusion entirely. The new framework ensures SpaceX enters the Nasdaq-100 almost immediately after listing.

The financial impact is substantial. Roughly $55tn in assets track financial benchmarks, with Invesco's QQQ and QQQM holding $523bn. Under the new rules, these two ETFs alone must purchase $3.1bn of SpaceX stock — $2.1bn more than traditional float-adjusted weighting would require. This guaranteed buying pressure represents what the FT describes as "free liquidity" for SpaceX insiders seeking early exits. The S&P 500 is also considering waiving its standard 12-month seasoning requirement.