Record Debut, Nerve-Shredding Plunge

Person checking stock market graphs on phone and monitors.

SpaceX just pulled off the biggest stock debut in history—and then gave nervous investors a front‑row seat to a $600 billion roller coaster.

Story Snapshot

SpaceX raised about $75 billion in the largest initial public offering ever, at a sky‑high valuation.
The stock then ripped higher to a $2 trillion-plus value before plunging more than a quarter from its peak.
Only a tiny slice of shares actually trades, while most insiders are locked up until late 2026.
Analysts are split between “historic opportunity” and “overhyped trap,” and both sides have receipts.

The biggest IPO ever meets the fastest reality check

SpaceX came to market like a rocket, not a stock. On June 12 it listed on Nasdaq under the ticker SPCX in a deal that raised about $75 billion, the largest initial public offering ever completed in any market. Public pricing implied a value around $1.7 to $1.8 trillion right out of the gate, making SpaceX one of the most valuable companies on Earth the moment trading began. Financial media quickly crowned it a once‑in‑a‑generation event.

The opening day looked like a victory lap. Shares priced at $135 and closed up about 19%, near $161, pushing the market value over the $2 trillion line by the afternoon. That kind of first‑day pop would normally mean the company “left money on the table,” but several analyses argued the underpricing was modest relative to the massive size of the deal. Some estimates put the missed capital at roughly $15 billion, big in dollar terms but small next to a $2 trillion valuation.

How a $600 billion gain turned into a $600 billion wipeout

The party did not stop on day one. In the first few sessions, SpaceX stock kept climbing, eventually touching a peak around $225 per share. At that price, the company briefly leapfrogged Amazon and Microsoft on some leaderboards and sat among the five most valuable firms on the planet. Then the air started leaking out. Within days, SpaceX had surrendered roughly $600 billion in paper value as shares slid back toward the $160s, wiping out most of the early gains for late buyers.

The drop was not random. A key trigger was an official filing laying out SpaceX’s first large investment‑grade bond sale, aiming to raise about $20 billion in unsecured debt. Bond documents showed more than $100 billion in cash on the balance sheet but also tens of billions in existing obligations, including financing tied to artificial intelligence and satellite projects. All three major rating agencies stamped the bonds as investment‑grade, but they also warned of negative free cash flow for years as the company pours money into rockets, Starlink, and data infrastructure.

Tiny float, massive narratives, and retail investors caught in the middle

Under the surface, this market drama runs on a very small pool of tradable shares. Only about 4% of SpaceX stock actually floats on the open market; the other 96% remains locked up until December 2026. That structure creates artificial scarcity. A wave of demand can push the price up very fast, and any burst of selling, short activity, or options hedging can slam it down just as quickly. Ordinary investors feel like they are trading a blue‑chip giant, but the float behaves more like a thin, momentum‑driven tech name.

US STOCK MARKET: TOP PRE-MARKET #VOLUME LEADERS (June 24, 2026)

🔹 $AAL (American Airlines Group) led pre-market trading activity with approximately 166 million shares changing hands as investors reacted to ongoing developments across the airline sector.

🔹 $SPCX (SpaceX)…

— Markets Today (@marketsday) June 24, 2026

The stories wrapped around the stock are just as extreme as the price moves. On one side, fans point to a profitable Starlink satellite business and reusable rocket technology they see as a kind of toll road to space. They also note that rating agencies still gave the company investment‑grade status before the bond sale, even while flagging risks. That combination of technological lead and access to cheap capital fits a classic American growth story: build hard things, take big swings, and let markets fund the moonshot.

Analysts say “overvalued,” critics say “villain,” and common sense sits in the middle

On the other side, mainstream analysts are blunt. Morningstar pegs fair value around half the IPO price, and other firms have told clients to sell or wait for much lower levels before buying. Their case is simple: SpaceX reported a multi‑billion‑dollar loss in 2025, carries an enormous accumulated deficit, and trades at revenue multiples that would make even past high‑flyers blush. They see a price built more on excitement about “orbital artificial intelligence” than on present‑day earnings power.

The media pile‑on goes further. Some environmental, social, and governance rating outfits have given SpaceX bottom‑tier scores and even compared it to wartime Russia on governance and environmental metrics. Activist commentators on video channels portray Elon Musk as a kind of “anti‑hero,” casting the company as a threat to the planet rather than a savior. From a conservative, common‑sense view, that framing looks unbalanced. Reasonable people can worry about space debris or governance while still recognizing the national security and economic value of a dominant American launch provider.

What this chaos really tells you about markets now

The SpaceX saga fits a wider pattern in modern mega‑tech offerings. Many giant listings over the last decade enjoyed rich valuations up front, then fell 20% to 40% within the first year as reality caught up with the story. The twist this time is scale. A $75 billion raise and a $2 trillion valuation turn routine volatility into life‑changing swings for anyone who chased the hype. That is why so many veteran investors warned retail buyers not to treat this like a lottery ticket.

From a practical standpoint, the message is not “SpaceX is doomed” or “SpaceX can only go up.” The message is that price is a story vote, not a guarantee. A tiny float, heavy media spin, and armies of short sellers can push that story too far in either direction. The conservative approach is boring but wise: watch the audited numbers on profit and cash, wait for the lockups to expire, and remember that even the biggest rocket has to fight gravity on the way back down.