SpaceX will join the Nasdaq on July 7th. Can a $4.3 billion buy order save it?

If you've been following $SpaceX(SPCX.US) lately, you might be a bit puzzled: this stock has been in a relentless decline for almost a month. It hit an all-time high of $225.64 on June 16th, and now it's only at $162, a drop of 28%.

It's against this backdrop of a relentless decline that a major event is set to occur on July 7th: SpaceX will be officially added to the Nasdaq 100 index. This event itself is theoretically a positive for the stock price, but how it actually works is something few people truly understand. I've broken down this mechanism into five questions, explaining them step by step in order.

Question 1: What are the rules for fast inclusion?

Normally, a company wanting to be included in the Nasdaq 100 needs to be listed for about 3 months, waiting for the quarterly/annual adjustment window. SpaceX did it in just 15 trading days—by leveraging a new rule introduced by Nasdaq this year: exceptionally large newly listed companies are eligible to "cut in line" for index inclusion after just 15 consecutive trading days, without waiting a full year. SpaceX is one of the first companies to benefit from this new rule since its introduction.

Question 2: Who is doing the buying triggered by this passive inflow?

The "buying" here is not a fund manager's subjective judgment of "I think SpaceX is worth buying," but a mechanical purchase mandated by the rules. All passive funds tracking the Nasdaq 100 index—most notably familiar ETFs like QQQ—must strictly configure their holdings according to the index's latest components and weights. When SpaceX is added to the index, these funds must buy a corresponding proportion of SpaceX stock. Not doing so would be a "tracking error" for which they would be held accountable, so they have no choice.

Question 3: How large is this inflow relative to SpaceX's float?

J.P. Morgan estimates that these passive funds will need to buy a total of about $4.3 billion worth of SpaceX stock, and this only accounts for the Nasdaq 100-related money, not tracking funds from other indices. This number sounds huge, but the more critical factor is its proportion relative to SpaceX's "tradable float." I looked it up: although SpaceX has a total share count exceeding 13 billion, the vast majority is locked up by Musk and early shareholders. The truly freely tradable float is only about 556 million shares (less than 4.3% of total shares). At the current price of $162, the float market cap is roughly $90 billion. $4.3 billion divided by $90 billion is about 4.8% of the float—in other words, this passive buying needs to absorb nearly 5% of the entire free float in a very short time. This proportion is actually not small; it's a scale of real money that can make waves.

Question 4: When will this roughly happen?

This buying is not spread out slowly over several days but is a highly concentrated, one-time action. According to index adjustment conventions, funds will complete their "rebalancing" in a concentrated manner at the close of the trading day before the official effective date—that is, after the close on July 6th, fund managers must adjust their positions at the last moment to ensure their holdings are fully aligned with the new index weights by the market open on July 7th.

Question 5: What might this mean for the stock price?

To put it bluntly, this money is more like a shot of "adrenaline"—it can indeed provide a real, concentrated support for the stock price in the short term, and may even drive a rebound, because it's a mandatory purchase that must be completed regardless of the stock price, unrelated to sentiment or fundamental judgment. But adrenaline is ultimately not long-term nourishment; it doesn't solve the problems inherent to SpaceX itself (such as debt handling methods and high-priced acquisitions that raise market concerns). Once this one-time buying is digested, the stock price will still have to return to the track of fundamentals.

Back to the opening question:

Can this $4.3 billion save SpaceX from this relentless decline? My judgment is—it can prop it up temporarily, but not forever.

To put it plainly: this money is not "the market falling in love with SpaceX," but the rules forcing funds to buy at knifepoint. In the window from July 6th to 7th, it can indeed artificially prop up the stock price a bit, even conjuring up a decent rebound candlestick, making many think they've "successfully bought the dip." But once the adrenaline shot wears off, none of the problems to be faced have gone away: the debt is still there, the concerns about high-priced share issuance remain unexplained. If you're entering the market chasing this wave of "Nasdaq dividend," I advise you to be aware—this is more like forcing a fever patient to take a fever reducer; the thermometer reading looks better, but the root cause of the illness is still in the body. The day the relentless decline truly stops won't be thanks to a $4.3 billion shot of adrenaline, but to SpaceX itself providing a reassuring answer.

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