Will the SpaceX IPO Beat the Market?

• Jun 12 · Day one — hit. Predicted: opens up 10–20%, near $157, closes above the offer. Actual: opened $150.00 (+11.1%), closed $160.98 (+19.2%) — both inside the band. The miss: a midday spike to $176.49 (+31%) was more euphoric than called, briefly crossing the ~$175 bonus-unlock trigger (Step 4).

The answer

Probably not. From the $135 offer, SPCX has ~30% odds of beating the S&P 500 over three years, and a day-one buyer does worse. The expected path: a solid, not euphoric debut (85% odds it closes day one above the offer); a squeeze-prone summer on the ~4% float; a bend down in months 3–6 as staged lockups expand supply ~14x; an end to 2026 above the offer (median $145) but below the summer high. The way this breaks is the Musk premium: if SPCX trades as a belief asset rather than on fundamentals, the multiple can persist far longer than history allows. Part 1 gives the full forecast; Part 2 gives the evidence and the recent record behind it.

The reasons, in brief:

• Valuation dominates. ~97x sales while unprofitable is far past the worst historical bucket. IPOs above 40x sales averaged −59% market-adjusted over three years. The businesses can't grow into $1.75T by 2029; upside requires the market to keep paying for belief, not revenue.
• Scale, profitability, and valuation at listing predict returns. Founder control helps, but less. The framework's blind spot is the belief-asset re-rating (Arm +500%), which is exactly SPCX's bull case, so the upside percentiles are widened, not ignored.
• Falling below the offer is the norm. 56% of IPOs are under their offer price three years out. The damage concentrates in months 7–24, after lockups clear and hype meets reported numbers.
• Entry price matters more than the company. Large IPOs bought at the offer beat the market (+13% over 3 years); buying the first-day close loses (median −25.7% at 3 years; 10 of 11 recent deals negative from their day-one close).

The SPCX forecast, on the record

The deal: SpaceX prices after the close on June 11 and begins trading June 12 on Nasdaq as SPCX, 555.6M Class A shares at a fixed $135. The book closed 3.5–4x oversubscribed (~$250B in orders), but the gray market (unofficial venues where shares trade before listing) saw its premium collapse from ~60% in May to ~16%, about $157, by June 10.

The forecast is built in four steps: score the factors, test the price arithmetic, compare past mega-IPOs and backtest the framework against them, map the supply schedule. The trajectory and numbers at the end follow from them.

Step 1 · Score SPCX against the factors

Signal is direction; weight is how much that factor historically moves 3-year returns (effect sizes are in the Part 2 table). A positive signal with low weight barely moves the forecast; the deal is decided by the high-weight rows.

Step 2 · What the $1.75T price has to assume

Revenue cannot grow into this price in three years. Upside from $135 is a bet that the market keeps paying for Starship/Mars optionality, not for the businesses. At $135, SpaceX carries ~12.96B shares for a $1.75T valuation against $18B of 2025 revenue. Run the businesses forward and Starlink ($11.4B growing ~50%) reaches $55–60B by 2029; launch (~$6B, growing slower) adds $10–13B; call it ~$70B total. To merely hold $135 through 2029, the market must still pay ~25x sales. At 15x the share price is ~$81 (−40%); at 8x, top-decile for a mature growth company, ~$43 (−68%). This is why valuation dominates the factor score and the bear tail below is fat.

Step 3 · The mega-IPO comparables and the framework's track record returns from offer, approximate

The better reference class for a $1.75T listing is the largest-ever IPOs; the factor averages come from thousands of mostly small deals far outside this sample. Scoring the framework against each comparable, using only what was knowable on its listing day, it got 5 of 6 right on first-year entry risk and ~3 of 6 at three years. Line color shows the verdict:

Step 4 · The supply schedule est. tradable share of company

Supply is the highest-confidence input. Lockups (agreements barring insiders from selling for a set period) normally hold an IPO's tradable float steady until day 180, when supply roughly doubles. SPCX's float grows ~14x in six months, and the bonus tranche is price-triggered: a rally above ~$175 itself releases more stock. A third of the small starting float went to retail investors, three times the mega-cap norm. This drives the months 3–6 bend in the trajectory below.

The forecast frozen pre-trade · June 11, 2026

The four steps above point one way: strong demand and a tiny float early, then mounting supply against an unsupportable multiple. In sequence:

In numbers, the targets and probabilities below are subjective calibrated estimates built from the cohort base rates, adjusted up for the mega-IPO selection effect and the framework's right-tail blind spot (both Step 3), and down for the supply schedule (Step 4). P10/P90 are 10th/90th-percentile outcomes; the band should contain ~80% of what happens, and medians should be beaten about half the time.

What predicts IPO returns

The average IPO underperforms the market by about 3.6% per year for five years after listing (Jay Ritter's dataset: 9,253 US IPOs, 1980–2024), and most of that damage sits in small listings. For a $75B deal, what matters is how the factors below separate winners from losers among large IPOs. They are the same factors scored against SPCX in Part 1, measured as 3-year market-adjusted returns, meaning the IPO's return minus the market's over the same window.

IPO-specific factors, ranked by evidence

Does founder ownership predict better returns?

Yes, with caveats, and it is the factor a SpaceX buyer leans on most. Founder-CEO firms among large US companies earned +8.3%/year benchmark-adjusted over 1993–2002 (+4.4%/year after controls, so not purely a tech-sector artifact). Dual-class IPOs, the classic founder-control structure, returned +29.5% over 3 years vs +18.0% for single-class IPOs; among tech IPOs, dual-class beat the market by 13.8% while single-class lagged by 15.4%.

How often IPOs fall, and when

Falling below the offer price is the norm, not the exception (9,195 US operating-company IPOs, 1975–2021, Ritter): 56.1% trade below offer three years later (57.1% at five, over a third losing more than half), and the median three-year return is −16.6% from the offer, or −25.7% from the first-day close that a day-one buyer actually pays; rare huge winners pull the mean up to +38.5%. Small listings drag these base rates down and large deals clear them more often, but the shape holds at every size.

When the declines happen

The underperformance is back-loaded: IPOs trade roughly market-like for six months, and the damage concentrates in months 7–24 (vs size-matched firms, 1980–2024).

The recent record, 2023–2026

Big deals systematically beat the long tail of small listings that make up most of every cohort. Every dot below is a real deal: all 482 operating-company US IPOs from 2023 through June 2026 with a reported deal size and return (stockanalysis.com), excluding SPACs and 27 micro-listings with manipulation-pattern spikes, the amount raised against the return from offer. Green is the 199 deals that raised $100M or more; black is the 283 smaller listings. The few winners above +500% sit at the top edge, with true returns in the tooltips:

The pattern, four years running

Every cohort since 2023 repeats the same shape (Renaissance Capital cohort data: deals with ≥$50M market cap, ex-SPACs):

• Large deals carry everything. The $100M+ slice beat its full cohort at every year-end (+27% in 2023, +29% in 2024, +18–21% in 2025), a premium of roughly 20–30 points. The median listing loses money; only 38.3% of 2025's IPOs ended the year above offer.
• Year-end averages flatter; seasoning reveals. Each cohort finishes its listing year roughly flat (+4%, ≈0%, +1–2%), then decays as lockups clear: 2023's flat year-end became a −30.9% three-year hold (−88.3% vs the market), and 2025's large deals that were above offer at year-end flipped negative through H1 2026.
• Supply grows into weakening returns. Issuance climbed every year ($19.4B, $29.6B, $44.0B raised, and 2026 listings running +17% ahead year-over-year) while the Renaissance IPO Index fell −8% in Q1 2026 vs the S&P's −4%, the hot-market profile that historically precedes the worst cohorts.
• Winners cluster in the cycle's hot theme (AI infrastructure and stablecoins now); fintech/BNPL and crypto cluster among the losers. All of it matches the factors above: big, profitable, reasonably priced, bought at the offer.

The pop fades: day one vs today 2025–26 deals with verified day-one closes

Buying at the day-one close lost money in 10 of these 11 deals (median −45%), the live demonstration of the finding above that the pop is "captured by IPO allocants, not aftermarket buyers." Each deal's day-one pop, next to what a buyer at that day-one close has made since:

The scorecard

The answer, once more: probably not. SPCX should clear the $135 offer on day one, run hot through the summer, bend down as insider stock unlocks, and trail the S&P 500 over years 1–3. The forecast was frozen on June 11, 2026, before the first trade. The page's presentation has been edited since, but every frozen target and probability is unchanged, and the git history plus an archive.org snapshot are the audit trail. Score it on hit rates across all the intervals, not on any single miss.

Methodology & caveats

• Prices are intraday snapshots from June 10–11, 2026; exact percentages may drift a few points with quote timing.
• The 38.3% above-offer figure and year-end cohort averages are Renaissance's December 2025 snapshot, not June 2026. With Figma and Bullish since below offer, today's share is likely lower.
• Figures marked "well-established" or "established" were verified against the cited primary studies; "canonical" items are standard findings from the IPO literature (Ritter 1991 and Ritter's data files) reported as published. All are long-period averages and may not hold for any given year or stock.
• Cohort counts, raises, and year-end and large-deal averages are Renaissance Capital's (deals ≥$50M market cap, ex-SPACs); "listings" counts (stockanalysis.com) include SPACs and micro-caps, and the two should not be mixed. Ritter's 2023 cohort average (−30.9% over 3 years) uses his stricter operating-company set with returns through Dec 31, 2025; the market-adjusted shortfall partly reflects the S&P rally over the same window.
• The scatter shows 482 US IPOs from 2023 through June 11, 2026 with a reported deal size and return on stockanalysis.com's year pages (Deal Size and Return From IPO Price columns), pulled June 12, 2026. 321 SPACs are excluded, identified by name ("Acquisition", "Merger", and similar) or by the $10.00 blank-check unit price combined with a sponsor-style name, with operating companies that price at $10.00 (such as Newsmax and U.S. GoldMining) kept; this matches the report's other statistics, which are ex-SPAC, since a SPAC at IPO trades at trust value and says nothing about operating-company listings. 67 listings lacking a return or deal size are omitted (these counts include SPACs, unlike Renaissance's); nine large deals with missing deal sizes (including ARM, Astera Labs, Reddit, CAVA, Klaviyo, Tempus, Kaspi.kz, Karman, and Metsera) are included with gross proceeds from contemporaneous reports. A further 27 listings that raised $30M or less yet showed returns of +150% to +4,221% are excluded as suspected manipulation: that profile matches the micro-cap pump-and-dump pattern regulators have repeatedly flagged in small IPOs, not genuine investable returns. Returns are June 12 quotes and can differ a few points from the article's June 10–11 snapshots. The $100M+ split uses the reported deal size directly. Returns above +500% (2 deals) are drawn at the +500% edge with true values in tooltips. SPCX, priced June 11 with no trading history, is excluded.
• The fall-frequency statistics (56.1% and 57.1% below offer at years 3 and 5) cover 1975–2021 IPOs, measured from the offer; from the first-day close the medians are worse (−25.7% and −32.0%).
• The SpaceX section was written June 11, 2026, before the first trade, and is left unrevised as a test of the framework. Deal terms are from the S-1 and contemporaneous reports; the ~97x P/S is the $1.75T valuation over $18B of 2025 revenue. Gray-market prices (Hyperliquid) are thin and indicative only, and historical cohort averages may not describe a one-of-one mega-cap listing.
• Mega-IPO comparable returns are approximate (from the offer, split-adjusted, rounded to ~5%, ex-dividends) and are reference points for shape, not precise figures; the price-to-sales chart in Step 2 uses the multiples stated in the comparables table plus approximate listing multiples and 3-year returns, rounded, for about twenty other prominent large US listings, with pre-revenue Rivian drawn at the axis edge. The backtest signals are retrospective scorings and carry hindsight risk despite using only at-the-time observables.
• Day-one closes behind the pop-fades chart are from contemporaneous press reports; BitGo, SailPoint, and Venture Global were reported only as "settled near" levels, so their returns are imprecise by a few points. Some sizable 2026 deals (Madison Air, Fervo, INNIO, BX Digital Infrastructure) lack a verified day-one close and are excluded. "Since day-1 close" returns use the June 10–11 snapshots.
• The SPCX targets and probabilities are the author's subjective calibrated estimates, not a fitted model, and are published to be scored. The 2029 revenue scenarios assume no major new revenue lines (Starship commercial cargo at scale would change them).