COVID-19 Pandemic Crash
The S&P 500 plunged 33.9% in just 33 days — the fastest entry into a bear market in history. A V-shaped recovery followed.
何が起きたか
In January 2020, the COVID-19 virus that started in Wuhan, China, began to spread worldwide. At first it drew little attention from the market, but the situation changed abruptly in late February when community transmission was confirmed in Italy and Iran.
The S&P 500 decline that began on February 19, 2020, bottomed at -33.9% just 33 days later on March 23. This was the fastest entry into a bear market (a decline of -20% or more) in history. Volatility was so extreme that daily circuit breakers were triggered four times.
But the recovery that followed was also one of the fastest V-shaped rebounds in history. The Federal Reserve deployed zero interest rates and unlimited quantitative easing, and the US government passed the $2.2 trillion CARES Act. Just five months later, on August 18, the S&P 500 broke past its February peak, and it ended the year up +18%. The NASDAQ recovered even faster on the tech-stock boom.
資産別の影響
| 資産 | ピークからのドローダウン | 下落期間 | 回復 |
|---|---|---|---|
| S&P 500 | -33.9% | 33 days | Recovered principal on August 18, 2020 (5 months — one of the fastest recoveries in history) |
| NASDAQ | -30.1% | About 30 days | Recovered principal in June 2020. Fast recovery on the tech-stock boom. |
| Gold | -12% (sharp initial drop then rebound) | About 2 weeks | Fell briefly in early March on margin calls, then ended the year up +25%. |
| Bitcoin | -50% | About 2 weeks | Plunged in March, then ended the year up +300%. Extreme volatility. |
このイベントが残した教訓
- 1The fastest crash in history and the fastest recovery in history. A fast crash does not always guarantee a fast recovery, but this time it did.
- 2Investors who sold in fear at the March low missed the recovery that came within 5 months. This is a textbook case of "trying to time the market and taking a bigger loss."
- 3The Fed's unlimited QE and the government's massive fiscal spending were the key drivers of the V-shaped recovery. The scale of the policy response was far faster and larger than in 2008.
- 4The gap between COVID-beneficiary sectors (tech, healthcare, e-commerce) and hard-hit sectors (airlines, hotels, energy) widened to extremes. This was a crisis with severe sector-by-sector differentiation.
- 5Maintaining one month of recurring investing gave a buy-the-dip opportunity, but because the recovery was so fast, the benefit of recurring investing may not be larger than a lump sum.
もしあの頃買っていたら?
過去のデータで自分でシミュレーションしてみましょう。結果は推計値で、税引前です。
If you had invested a lump sum right before COVID
A lump-sum investment in an S&P 500 ETF in February 2020 → a new high after 5 months of patience. Check it in the lump-sum simulator.
シミュレーターを開く →If you had invested steadily every month during the crash
Maintaining recurring investing from early 2020 → benefiting from the V-shaped rebound. Compare it in the recurring-investing simulator.
シミュレーターを開く →View the full crisis archive
Compare with other historical crashes beyond COVID.
シミュレーターを開く →よくある質問
Q. Why did it recover so quickly?
Three factors worked together. First, the Fed's intervention at unprecedented speed and scale (the March 23, 2020 declaration of unlimited QE). Second, the US Congress's swift passage of the $2.2 trillion CARES Act. Third, the tech-led stay-at-home economy boom. These three combined to produce the fastest recovery in history.
Q. Does a fast recovery like COVID always repeat?
No. The 2008 financial crisis took 52 months, and the dot-com bubble took 7–15 years. The COVID V-shaped recovery was historically exceptional. Expecting the same speed of recovery in the next crisis is a dangerous assumption.
📊 データ出所: Price data sources: S&P Global, Yahoo Finance, CoinMarketCap (Bitcoin). Based on adjusted close prices. Crypto assets such as Bitcoin are outside ordinary financial regulation and carry extreme volatility. Past performance does not guarantee future returns.
📋 結果は過去のデータに基づくものです。過去のリターンは将来のリターンを保証しません。
📋 本サービスは投資アドバイスではなく、投資を理解するための教育目的で提供されています。