SPACs Explained: The Rise, Fall, and Legacy of Blank Check Companies

SPACs raised more money in 2020 than in the previous decade combined — and then proceeded to lose most of it.

The SPAC boom of 2020-2021 was one of the most dramatic financial phenomena of the last two decades. Blank check companies raised $300 billion across hundreds of deals, bringing a wave of startups, electric vehicle companies, and speculative businesses to public markets in a fraction of the time a traditional IPO would take. Then, in 2022, the entire structure collapsed. Most SPAC stocks lost 70-90% of their value. A generation of retail investors learned an expensive lesson about due diligence.

But SPACs themselves — as a mechanism — did not disappear. Understanding how they work, why the boom failed, and where they still make sense is essential knowledge for anyone following merger announcements or investing in early-stage public companies. And because major SPAC announcements can cause stocks to move 20-50% in a single session, knowing how to track them is a practical edge.

What Is a SPAC?

A Special Purpose Acquisition Company is exactly what the name implies: a company created for a specific purpose (acquiring another company) that has no other operations. It is sometimes called a "blank check company" because when you invest in a SPAC at its IPO, you are giving management a blank check to go find something to buy.

Here is what a SPAC looks like at IPO:

• No business operations. The SPAC itself makes nothing, sells nothing, and has no employees beyond its management team.
• Cash in a trust. The money raised in the IPO is held in a trust account, typically invested in US Treasury bills, earning a small return while the sponsor searches for a target.
• A deadline. SPACs must complete an acquisition within a set window — typically 18-24 months from the IPO date. If they fail to merge with a company in time, the trust is liquidated and investors get their money back.
• Warrants as sweeteners. SPAC investors typically receive warrants — the right to buy additional shares at a fixed price (usually $11.50) — which add upside if a good deal is completed.
• Shares priced at $10. Almost all SPACs price their IPO units at $10 per share. This becomes the "NAV" (net asset value) that serves as a floor for redemptions.

The sponsor — the team that creates the SPAC and manages the search process — receives "founder shares" representing 20% of the post-IPO equity, called the "promote." This is compensation for finding and executing the deal. It is also the source of significant structural conflict.

How the SPAC Process Works: Step by Step

Step 1: SPAC IPO

The sponsor files with the SEC and takes the SPAC public, raising capital from institutional and retail investors. SPAC IPO units typically include one share plus a fraction of a warrant (often half a warrant, which means you need two units to get one full warrant exercisable later).

Proceeds go directly into the trust account, typically invested in US government securities.

Step 2: The Search Window

The SPAC sponsor now has 18-24 months to identify a private company that wants to go public. The sponsor team — usually former executives, private equity professionals, or industry veterans — reaches out to targets, evaluates opportunities, and negotiates terms.

Unlike traditional M&A, the target company is not acquired outright. The structure is a merger: the private company merges with the publicly traded SPAC shell, and the private company's shareholders receive shares in the now-public entity.

Step 3: Merger Announcement (LOI/DA)

When the sponsor identifies a target and agrees on terms, the SPAC announces a definitive agreement (DA) or letter of intent (LOI). This is the moment that typically causes the biggest price move.

The announcement includes:

• The target company's name and business description
• The implied valuation of the target
• The structure of the merger (how many new shares are issued)
• The size and terms of any concurrent PIPE (Private Investment in Public Equity) transaction

At this stage, the SPAC stock often jumps 20-50% or more based on market reaction to the target's quality and the deal's terms.

Step 4: Due Diligence and SEC Review

After the announcement, both parties undergo an extended due diligence period. The target company files a registration statement (S-4 or proxy statement) with the SEC disclosing detailed financial information, risk factors, and business descriptions. This review process typically takes 3-6 months.

Step 5: Shareholder Vote

SPAC shareholders vote to approve or reject the merger. This is a critical moment: shareholders who do not like the deal can choose to redeem their shares — exchanging them for the trust value (approximately $10 per share plus any accrued interest), regardless of what the SPAC stock is trading at in the market.

This redemption right is the investor protection mechanism built into every SPAC. It means investors who bought at $10 (NAV) have minimal downside: if the deal looks bad, they can get their money back.

Step 6: deSPAC and Trading

If the merger is approved, the SPAC completes the transaction. The SPAC's ticker changes to the operating company's ticker, and the former private company is now publicly traded. This is called "going through the deSPAC process" or simply "deSPACing."

Key Terms Every SPAC Investor Should Know

Trust Account and NAV

The trust account is the safe that holds investor funds until a deal closes. The NAV (net asset value) per share is what each share is worth in the trust — typically $10 plus interest. When shareholders redeem, they get NAV. This is your floor.

The Promote (Founder Shares)

Sponsor teams receive 20% of the SPAC's post-IPO shares for free or at minimal cost. This is their compensation for creating the SPAC and managing the deal process. The promote creates a structural incentive: sponsors benefit enormously from completing any deal, even a bad one, because their 20% stake is worth money once the merger closes — while investors may be left holding a deteriorating stock.

PIPE Deals

Almost every SPAC merger is accompanied by a PIPE (Private Investment in Public Equity) offering. Institutional investors — hedge funds, mutual funds, sovereign wealth funds — commit to buying shares at $10 concurrently with the merger vote. PIPE money provides certainty that the deal will have adequate capital even if many SPAC shareholders redeem.

A strong PIPE — particularly from high-quality institutional names — is a positive signal. A weak or absent PIPE suggests institutional investors were not willing to commit capital to the deal, which is a red flag.

Redemption Rights

Every SPAC shareholder has the right to redeem their shares for approximately $10 (plus interest) at the time of the merger vote, regardless of how the stock trades in the market. This is the core investor protection mechanism. In the 2021-2022 wave of bad SPAC deals, redemption rates hit 90-95% — the vast majority of investors chose to take their cash back rather than own shares in the merged company.

Warrants

SPAC IPO investors typically receive warrants as part of their units — options to buy additional shares at $11.50 (or another strike price) after the deal closes. Warrants can have significant value if the resulting company's stock trades well above the strike price. They also trade separately from SPAC shares on major exchanges, creating a speculative instrument for investors who want leveraged exposure without paying above NAV for shares.

The 2020-2021 SPAC Boom: Numbers That Are Hard to Believe

The SPAC market went from a niche mechanism to the dominant IPO route in two years. The numbers tell the story:

In 2021, more SPACs were created than there were private companies of sufficient quality to absorb them. This supply-demand imbalance forced sponsors to pursue increasingly speculative targets — a fact that became visible in performance data two years later.

Famous SPAC Deals: Winners and Losers

Most SPAC deals produced significant losses, but the range of outcomes was wide. Here are some of the most closely watched transactions:

DraftKings is often cited as one of the more successful SPAC deals — the business survived and grew, and by 2023-2024 it had returned to relevant trading levels. But even DraftKings shareholders who held from merger were deep in the red for most of the post-merger period.

Nikola became the most infamous SPAC story. The electric truck startup went public through a SPAC merger in June 2020, reached a market cap exceeding $30 billion, and collapsed after a short-seller report alleged the company had fabricated demonstrations and deceived investors. The founder was convicted of fraud. The stock lost nearly 100% of its peak value.

Why Most SPAC Stocks Underperformed: The Structural Problems

The SPAC boom's failure was not random. It was the predictable result of structural misalignments that, in hindsight, were obvious.

The Sponsor Incentive Problem

Sponsors receive 20% of the SPAC's equity — the "promote" — for completing a deal. If they complete no deal, the SPAC liquidates and sponsors get nothing (or lose their minimal at-risk capital). This creates a powerful incentive to close any deal rather than wait for the right one. During the boom, many sponsor teams announced mergers with companies that had little more than a business plan and a PowerPoint.

Companies That Chose SPACs Over IPOs

A private company that can command the rigorous traditional IPO process — Goldman Sachs and Morgan Stanley underwriting, institutional roadshow, full SEC scrutiny — has access to capital at better terms. Companies that chose SPACs often could not pass traditional IPO due diligence. This was a quality filter in reverse: SPACs attracted the targets that could not get traditional deals.

There are legitimate exceptions — companies in complex regulatory environments, companies where the specific SPAC sponsor's expertise added value, or companies where speed was genuinely important. But these were a minority.

Forecasts That Were Pure Fiction

The biggest regulatory difference between a SPAC merger and a traditional IPO is how projections are treated. In a traditional IPO prospectus, companies face strict rules about forward-looking statements and liability for inaccurate ones. SPAC merger proxy statements had (until 2022 regulatory changes) more latitude to include multi-year financial projections.

The result: SPAC targets routinely published hockey-stick revenue projections that implied 5-10x growth over 3 years. Most of these projections were never remotely close to achieved. The 2021 SPAC cohort routinely missed their year-one projections by 50-80%.

The Retail Premium Problem

During the boom, retail investors bid SPAC stocks above NAV — sometimes to $15-20+ — simply on the basis of hype around the sponsor team or speculation about who the target might be. When the actual target was announced and it turned out to be a pre-revenue electric vehicle startup, investors had paid $15 for something worth $10 in trust. The downside from that point was dramatic.

How to Evaluate a SPAC Before It Merges

For investors considering SPACs, the analytical framework should be fundamentally different from evaluating operating companies.

Before a Target Is Announced

At this stage, you are evaluating the sponsor team, not a business:

• Sponsor track record: Have they done this before? What did their previous SPACs return?
• Domain expertise: Is the sponsor team credible in the industries where they say they will search?
• Skin in the game: What is the sponsor's at-risk capital? Sponsors who invest significant capital alongside public shareholders have better-aligned incentives.
• Price vs. NAV: Are you buying at, near, or above the $10 NAV? Paying above NAV reduces your margin of safety.

The safest pre-announcement SPAC investment: buy at or below NAV from a proven sponsor team. If no deal is announced, you redeem at NAV and lose only the opportunity cost of time. If a good deal is announced, you participate in any resulting upside.

After a Target Is Announced

Now you are evaluating the target company, the deal structure, and the sponsor's judgment:

• Business fundamentals: Does the target have revenue? Customers? Proof of market? Or is it projections and potential?
• Valuation: What implied enterprise value is the deal assigning to the target? How does that compare to public peers?
• PIPE quality: Who are the PIPE investors? Are they sophisticated institutions with domain expertise, or are they SPACs-only funds that need to deploy capital?
• Redemption rate: What percentage of SPAC shareholders are redeeming? High redemption (above 80%) signals that sophisticated investors are passing on the deal.
• Management of the target: Who is running the company? Have they built and scaled businesses before?

The 2022-2023 Bust and What Changed

The collapse was multi-causal but rapid. Three forces hit simultaneously:

Rising interest rates in 2022 crushed the valuation of growth and pre-revenue companies. A company projected to generate $1 billion in revenue in five years is worth far less when the discount rate jumps from 2% to 6%. Most SPAC targets were high-duration growth stories — they were the most rate-sensitive segment of the market.

Reality of missed projections began hitting the market. The first cohort of 2020-early 2021 SPACs had been public for 12-18 months and were reporting actual financial results. The gap between forecasted and actual revenue — often 50-80% misses — was visible to anyone reading SEC filings.

Regulatory changes from the SEC in 2022 eliminated the "safe harbor" provisions that had allowed SPAC targets to publish unrestricted projections. New rules required SPAC merger disclosures to meet standards similar to traditional IPOs. This removed one of the primary advantages SPACs had marketed.

By the Numbers: The Bust

A 2023 study analyzed the performance of SPACs that completed mergers between January 2019 and December 2022:

The academic research is equally sobering. A Harvard Business School study found that the average deSPAC underperformed the S&P 500 by 30+ percentage points in the first year after merger completion, controlling for size and industry.

SPACs in 2026: The Current Reality

SPACs did not disappear after the bust — they contracted to a more appropriate scale and use case.

In 2025-2026, the SPAC market is a fraction of its 2021 peak. The transactions that do get done share some common characteristics:

• Experienced sponsors with institutional credibility. The "celebrity SPAC" (athlete, entertainer, or social media personality-sponsored) largely vanished. What remains is dominated by private equity professionals, former operating executives, and sector-specific specialists.
• Smaller deal sizes. The $1-10 billion SPAC target that was common in 2021 is rare. Smaller, more appropriate targets dominate.
• More rational valuations. The absurd hockey-stick projections of 2020-2021 are rarer. The post-SEC-rule-change environment requires more defensible disclosure.
• Specific use cases where SPACs still make sense: Financial services companies with regulatory complexity, international companies seeking US listings, and situations where a specific sponsor team's network is genuinely differentiated.

The legacy of the SPAC boom also changed how markets look at any company that came public via SPAC. The SPAC stigma is real — investors apply an additional skepticism to former SPAC companies, which is arguably appropriate given the track record.

How to Track SPAC Merger Announcements With Alerts

SPAC announcements are among the highest-impact single-day events in the market. When a well-regarded SPAC announces a merger with a high-profile target, the SPAC stock can move 30-100% in a day. When the target is disappointing, the SPAC can fall 10-30%.

For traders and investors who follow the SPAC space, having a monitoring system is essential.

Setting Up SPAC Monitoring

Watchlist approach: Build a watchlist of active SPACs — those that have completed their IPO but not yet announced a target. Track their price vs. NAV. When a SPAC that was trading at $10.10 suddenly jumps to $13, that is a signal that announcement rumors are circulating.

Price alert triggers: Set price alerts on SPAC stocks you are monitoring. A 5%+ move above recent levels in a pre-announcement SPAC is often the market's first signal that an announcement is imminent. Use Stock Alarm Pro's alerts to set percentage-move alerts on your SPAC watchlist.

Post-announcement monitoring: After a merger is announced, set alerts at key technical levels on the deSPAC stock. The announcement day spike is often followed by a trading range before the vote — price action within that range can signal whether institutional investors are building or selling positions.

Redemption deadline tracking: As a SPAC approaches its merger vote, the redemption deadline creates a decision window. Set calendar alerts for SPAC vote dates so you know when your decision window opens.

Screening for SPAC Opportunities

In the current environment, the best SPAC opportunities often come from:

1. High redemption situations with quality targets: When 85%+ of SPAC shareholders redeem but the target is actually a solid business, the resulting small float + institutional PIPE ownership can create a compelling situation.
2. SPACs trading at or below NAV from credentialed sponsor teams with relevant track records. The downside is protected (you can redeem), and the upside is optionality on a quality deal.
3. Post-deSPAC companies 12-24 months after merger, after the lockup expirations and initial hype have cleared, sometimes at valuations far below what institutional investors paid in the PIPE.

Use the Stock Alarm Pro screener to filter for recently-deSPACed companies by price, market cap, and fundamental metrics. Sometimes the best opportunity is a post-SPAC company trading at a massive discount to its business fundamentals — not because the business is bad, but because the SPAC stigma and post-lockup selling pressure has created an overshoot.

The Lasting Lessons From the SPAC Boom

The 2020-2021 SPAC episode produced some of the most useful investing lessons of the decade precisely because the mistakes were large enough to be impossible to rationalize away.

Incentives matter. The 20% promote created sponsors whose optimal outcome was to complete any deal, even a bad one. When analyzing any investment structure, always map the incentive of each participant to understand how their optimal outcome might differ from yours.

Speed is not a feature for investors. SPACs were marketed as a faster path to liquidity. Speed is a feature for the company going public (and its early investors), not for the public market investors who buy in. For public investors, rigorous disclosure and time to conduct diligence are features, not bugs.

Projections without track records are not data. A hockey-stick revenue projection from a company with no revenue history is not financial analysis — it is speculation with decimal points. The SPAC boom normalized using these projections as the basis for multi-billion dollar valuations, with predictable results.

The redemption right is your friend. The investors who navigated the SPAC boom best were often those who bought near NAV, voted against bad deals, and redeemed. They collected small amounts of interest income while waiting for good opportunities, and avoided the catastrophic losses of investors who paid 50% above NAV for speculative targets.

Frequently Asked Questions

What does SPAC stand for?

SPAC stands for Special Purpose Acquisition Company. It is a publicly traded shell company that raises capital through an IPO with the sole purpose of merging with a private company to take it public. It is also called a "blank check company" because investors give the sponsor team broad discretion to find an acquisition target.

Is investing in a SPAC risky?

The risk depends heavily on where you buy. Buying at or below NAV ($10) from a reputable sponsor is relatively low risk — your downside is protected by the redemption right, which lets you exchange shares for approximately $10 if you do not like the announced deal. Buying a SPAC above NAV based on hype or speculation, or holding through a poor-quality merger announcement without redeeming, carries very high risk. The 2020-2021 cohort data is clear: most deSPAC stocks lost 70%+ for investors who bought above NAV or held without redeeming.

How long do SPACs have to find a target?

Most SPACs have 18-24 months from their IPO to complete an acquisition. If they fail to find a suitable target in that window, the SPAC liquidates and investors receive their pro-rata share of the trust account — approximately $10 per share plus any interest earned during the period.

What happened to DraftKings after its SPAC merger?

DraftKings (DKNG) went public through Diamond Eagle Acquisition Corp in April 2020. The stock was initially celebrated as a SPAC success — it reached $74 per share in March 2021. However, it subsequently fell sharply along with other high-growth, loss-generating companies as interest rates rose. By late 2022, DKNG was trading below $10. The business itself survived, scaled, and by 2024-2025 was generating meaningful revenue — but shareholders who bought near the peak experienced severe losses. It represents the SPAC experience in microcosm: a real business, too much optimism baked into the initial price.

Can a SPAC announcement cause a stock to move significantly?

Yes — SPAC announcements are among the highest single-day movers in the market. When a SPAC that was trading at $10-12 announces a merger with a high-profile target, it can jump 20-100%+ in a single session. Conversely, a disappointing target announcement from a hyped SPAC can cause 10-30% declines. Setting price alerts on SPAC watchlist stocks lets you catch these moves without monitoring the market tick-by-tick.

Track Merger Announcements and deSPAC Events in Real Time

Whether you are monitoring active SPACs for pre-announcement opportunities or tracking post-merger companies for value plays, having real-time alerts is essential. Merger announcements happen at 6 AM or after the 4 PM close — outside market hours when price moves can be massive by the next open.

Set up your merger and SPAC watchlist on Stock Alarm Pro. Create price-move alerts on your SPAC watchlist to catch significant moves that signal impending announcements. Monitor post-deSPAC companies through the screener to identify situations where business fundamentals have diverged significantly from stock price.

The SPAC lesson is ultimately about structure: knowing the rules of an investment mechanism before you commit capital. With that understanding, there are genuine opportunities in the SPAC universe — you just need to approach them differently than the retail investors who lost money from 2021-2023.

Disclaimer: This article is for educational purposes only and does not constitute investment advice. SPAC investing carries significant risks, including total loss of capital in deSPAC positions that decline from entry price. Past performance of SPAC structures is not indicative of future results. Always conduct your own due diligence and consider consulting a licensed financial advisor before making investment decisions.