ยท15 min read

SPAC vs. IPO: The Data Shows SPACs Are Worse in Every Way

SPAC proponents argued that blank-check companies were a faster, more efficient, and more democratic way to take companies public. They said SPACs would "democratize access" to pre-IPO investing. The data says otherwise. By every meaningful metric, SPACs underperform traditional IPOs โ€” and it's not even close.

The Head-to-Head Comparison

MetricTraditional IPOSPACDifference
Average 1-year return+18%-62%80pp worse
Median 1-year return+5%-45%50pp worse
Bankruptcy rate (5-year)~2%3.4%1.4pp worse
Going concern warnings22%44%22pp worse
Insider dilution at IPO~0-5%~20%15-20pp worse
Underwriting fees~7%5.5%Similar but structured worse
Forward projections allowedNoYes (safe harbor)Less accountability
Due diligence depth6-12 monthsSponsor-dependentLess rigorous
SEC review of projectionsExtensiveLimitedLess scrutiny

Return Comparison: It's a Slaughter

The most damning comparison is raw returns. Academic research from Stanford, NYU, and the University of Florida has consistently found that SPAC-merged companies underperform both traditional IPOs and the broader market by 30-60 percentage points in the first year after merger.

The average post-merger SPAC return of -62% means the typical SPAC investor lost more than half their money. The average traditional IPO investor, by contrast, made money. This isn't a marginal difference โ€” it's the difference between profit and catastrophic loss.

62%
Average SPAC loss vs. +18% average IPO gain

Why SPACs Produce Worse Companies

1. Adverse selection:The best private companies don't need SPACs. Companies that can command premium valuations through competitive IPO processes โ€” think Airbnb, Snowflake, Rivian โ€” choose traditional IPOs because they get better pricing, more prestigious underwriters, and greater institutional credibility. SPACs attract companies that can't survive the traditional IPO scrutiny.

2. No competitive bidding:In a traditional IPO, banks compete for the underwriting mandate. Investors bid on shares through a bookbuilding process that determines the fair market price. In a SPAC, the sponsor picks the target unilaterally and negotiates the valuation privately. There's no competitive tension to keep valuations honest.

3. Forward projections:This is the biggest structural advantage SPACs have โ€” and it's an advantage for the company, not the investor. Traditional IPOs cannot include forward-looking revenue or profit projections in their offering documents. SPACs can, thanks to safe harbor protections. This means SPACs can sell investors on projected 2025 revenue that has no basis in reality.

4. Time pressure: SPACs have 18-24 months to find a target. This deadline creates urgency that works against investor interests. The sponsor needs to close something, or their promote becomes worthless. Traditional IPO timing is driven by the company's readiness, not an artificial clock.

5. Due diligence depth: A traditional IPO involves 6-12 months of intensive due diligence by the underwriting bank, extensive SEC review of the S-1 filing, and a roadshow where institutional investors grill management. The SPAC merger due diligence is conducted primarily by the sponsor โ€” who has $100 million reasons to approve the deal.

The "Democratization" Myth

The most insidious argument for SPACs was that they "democratized" access to investing. Retail investors, the story went, could now invest in exciting pre-IPO companies that were previously only available to venture capitalists and institutional investors.

The reality was the opposite: SPACs democratized losses. They gave retail investors access to the exact companies that institutional investors had already passed on. The "exciting pre-IPO companies" were companies that couldn't get funded through normal channels โ€” because they weren't good enough.

When sophisticated investors won't fund your company and Wall Street creates a special vehicle to let unsophisticated investors fund it instead, that's not democratization. That's predation.

The DraftKings Exception

SPAC defenders inevitably point to DraftKings, which went public via SPAC and is now worth approximately $22 billion. DraftKings is a legitimate success story. It's also a statistical outlier in a dataset of 1,522 SPACs. Using DraftKings to argue SPACs work is like using a lottery winner to argue buying lottery tickets is a sound investment strategy.

For every DraftKings, there were dozens of Nikolas, Fiskers, and WeWorks. The expected value of SPAC investing โ€” even accounting for the rare winners โ€” is deeply negative.

The verdict: SPACs are worse than traditional IPOs by every measurable metric. They produce worse returns, higher bankruptcy rates, more going concern warnings, greater dilution, and less accountability. The only people who benefit from the SPAC structure over a traditional IPO are the sponsors, the banks, and the target companies. Investors would be better off in literally any other public market instrument.


IPO comparison data from academic research by Klausner et al. (Stanford), Gahng et al. (Yale), and public market data. Traditional IPO benchmarks from Renaissance Capital.