alt Hacker News> Elon made inclusion in the index a prerequisite for trading the stock on the board
Source?
He may have claimed this. But he has no power to. Once a stock is publicly listed, every exchange can trade it. Where Musk had influence was on to whom he paid his listing fee.
"SpaceX stock is expected to be listed on the Nasdaq. To secure such a high-profile listing, While listing requirements remain unchanged, Nasdaq recently amended its index-inclusion rules to accommodate companies like SpaceX when they go public."
https://www.forbes.com/sites/garthfriesen/2026/04/25/spacex-...
Notice a listing on the board and an inclusion in an index are two different things. Nastaq changed the index to secure the listing of SpaceX on their board.