What to Do When the Market Crashes: Expert Strategies

The market is crashing. Your portfolio is deep in the red. Financial headlines are screaming about economic collapse. Every instinct tells you to sell everything and move to cash. That instinct is almost certainly wrong.

Market crashes trigger a primal flight-or-fight response that makes rational decision-making nearly impossible. Research from behavioral finance shows that the pain of financial loss is psychologically 2 to 2.5 times more intense than the pleasure of an equivalent gain -- a phenomenon known as loss aversion. This is why most investors make their worst decisions during crashes.

This guide provides a systematic, evidence-based action plan for navigating a market crash. Whether you are an experienced investor or watching your first major downturn, these seven strategies will help you protect your wealth and potentially capitalize on one of the best buying opportunities you will ever see.

Step 1: Do Not Panic Sell

This is the most important rule during any market crash. Selling during a panic is the single most destructive action an investor can take. Here is why:

• Every crash in history has been followed by a full recovery. The S&P 500 has survived the 1929 crash, World War II, the 1987 Black Monday, the dot-com bust, the 2008 financial crisis, and the 2020 COVID crash -- recovering to new highs after each one.
• The best days follow the worst days. Six of the S&P 500's best 10 trading days between 2003 and 2023 occurred within two weeks of the 10 worst days. Selling during the crash means you almost certainly miss the recovery.
• Timing re-entry is nearly impossible. If you sell, when do you buy back in? Most investors wait until the recovery is well underway, missing the sharpest gains. An investor who sold on March 23, 2020 (the COVID bottom) and waited for "confirmation" of recovery would have missed a 30% rally in just three weeks.

The stock market is a device for transferring money from the impatient to the patient. -- Warren Buffett

Practical Steps to Avoid Panic Selling

1. Stop checking your portfolio daily. Switch to weekly or monthly reviews.
2. Unsubscribe from sensationalist financial news alerts. Headlines are designed to trigger emotional reactions, not inform rational decisions.
3. Write down your investment thesis and time horizon. Read it when the urge to sell arises.
4. Call a trusted financial advisor or knowledgeable friend before making any trades.
5. Remember: you only realize a loss when you sell. Until then, it is a fluctuation on paper.

Step 2: Assess the Situation Objectively

Not all crashes are created equal. Understanding the nature and likely severity of the downturn helps you calibrate your response.

Types of Market Declines

Use our real-time dashboard to monitor current market conditions and risk levels across seven major asset classes. Understanding the underlying causes of the crash will help you determine whether it is likely to be a sharp V-shaped recovery (like 2020) or a prolonged downturn (like 2008).

Key Questions to Assess

• Is the economy fundamentally sound? Look at employment data, consumer spending, and corporate earnings. A crash in a healthy economy (2020) typically recovers faster than one caused by structural problems (2008).
• What is the Federal Reserve doing? Rate cuts and quantitative easing provide a tailwind for recovery. Rate hikes during a downturn extend the pain.
• Is the crash global or localized? A U.S.-only correction may be mitigated by international diversification. A global crisis (2008) requires more defensive positioning.

Step 3: Review and Rebalance Your Portfolio

A market crash naturally distorts your portfolio allocation. If you started with a target of 70% stocks and 30% bonds, a 35% stock market decline shifts your actual allocation to approximately 57% stocks and 43% bonds. This creates a mechanical rebalancing opportunity that is both mathematically sound and psychologically difficult.

How to Rebalance During a Crash

• Buy stocks with bond proceeds. Sell a portion of your bond holdings (which have likely gained value) and use the proceeds to buy discounted stocks, restoring your target allocation. This is systematically buying low.
• Direct new contributions to equities. Channel fresh savings, dividends, and interest payments into stock funds until your allocation is back on target.
• Rebalance in stages. Rather than making one large trade, split the rebalancing into 3 to 4 tranches over several weeks to avoid buying at a temporary floor that drops further.

Step 4: Identify Buying Opportunities

Market crashes create some of the best long-term buying opportunities in investing history. The 2020 COVID crash bottom represented a generational buying opportunity: the S&P 500 returned 114% from its March 2020 low to the end of 2021. The 2009 bottom similarly preceded a 13-year bull market that returned over 500%.

What to Buy During a Crash

• Broad market index funds -- S&P 500 ETFs, total market index funds, or balanced funds provide diversified exposure to the recovery
• Quality companies with strong balance sheets -- Look for low debt-to-equity ratios, consistent free cash flow, and competitive moats
• Dividend-paying stocks -- Companies with long dividend track records tend to recover faster and pay you while you wait
• Assets in oversold sectors -- Sectors that dropped more than the market average may offer mean-reversion opportunities

For a detailed guide on specific investments that perform well during downturns, see our article on best investments during a market crash.

Step 5: Continue Dollar-Cost Averaging

Dollar-cost averaging (DCA) is your most powerful tool during a crash. By continuing to invest a fixed amount at regular intervals, you automatically buy more shares when prices are low and fewer when prices are high. This removes the pressure of trying to time the exact bottom.

An investor who contributed $500 per month to an S&P 500 index fund throughout 2008-2009, rather than stopping contributions, would have accumulated shares at an average price roughly 35% below the pre-crash peak. When the market recovered, those shares generated returns exceeding 200% over the following decade.

How to Implement DCA During a Crash

1. Maintain all automatic contributions to your 401(k), IRA, and brokerage accounts
2. Increase contributions if possible. If you have excess cash reserves beyond your emergency fund, consider increasing your regular contribution amounts by 25% to 50%
3. Deploy lump sums in stages. If you have a large cash position to invest, split it into 4 to 6 equal tranches and invest one tranche per week or per month

Step 6: Consider Tax-Loss Harvesting

If you hold investments at a loss in taxable accounts (not retirement accounts), a market crash presents a valuable tax planning opportunity through tax-loss harvesting.

How Tax-Loss Harvesting Works

1. Sell an investment at a loss to realize the capital loss
2. Immediately purchase a similar (but not substantially identical) investment to maintain market exposure. For example, sell an S&P 500 fund and buy a total market fund.
3. Use the realized loss to offset capital gains from other investments or deduct up to $3,000 per year against ordinary income. Unused losses carry forward indefinitely.

Important: The IRS wash-sale rule prohibits you from buying a "substantially identical" security within 30 days before or after the sale. Buying a different fund that tracks a different (but similar) index is the standard workaround.

Step 7: Review Your Financial Goals

A market crash is a stress test for your financial plan. Use it as an opportunity to honestly assess whether your portfolio matches your actual risk tolerance -- not the risk tolerance you claimed when markets were calm and rising.

Questions to Ask Yourself

• Did this crash cause me to lose sleep or consider panic selling? If so, your portfolio may be too aggressive for your true risk tolerance.
• Has my time horizon changed? Job loss, health issues, or life events during a crash may require accessing funds sooner than planned.
• Am I still on track for my financial goals? Use a retirement calculator to determine whether the crash materially impacts your long-term plan.
• Do I have adequate emergency reserves? If the crash exposed a lack of liquidity, prioritize building cash reserves when the situation stabilizes.

If the crash revealed that you were taking more risk than you can handle, adjust your target allocation for the future. However, make these changes gradually over the coming months -- not in a single panicked trade at the bottom. Read our guide on how to prepare for the next crash to build a more resilient long-term plan.

What Not to Do During a Market Crash

Avoiding the wrong moves is just as important as making the right ones. Here are the most common and costly mistakes investors make during crashes:

• Do not sell everything and go to cash. This locks in losses and requires you to correctly time re-entry, which even professionals rarely achieve.
• Do not try to short the market or buy inverse ETFs unless you are a professional trader. These instruments are designed for short-term hedging and can lose value rapidly even in falling markets due to daily rebalancing mechanics.
• Do not use leverage or margin to buy the dip. If the market falls further, a margin call can force you to sell at the worst possible time.
• Do not withdraw from retirement accounts. Early 401(k) or IRA withdrawals during a crash incur penalties, taxes, and the permanent loss of tax-advantaged compound growth.
• Do not make drastic changes to your financial plan based on short-term market movements. Markets recover; emotional decisions typically do not.

The Bottom Line

Market crashes are uncomfortable, disorienting, and psychologically painful. They are also temporary. The investors who build wealth through crashes are not those who avoid losses entirely -- that is impossible -- but those who maintain discipline, continue investing, and resist the powerful urge to sell at the bottom.

Your action plan during a crash is simple: do not panic, assess the situation, rebalance toward your target allocation, keep investing through dollar-cost averaging, harvest tax losses where appropriate, and use the experience to refine your long-term financial plan. The crash will end. The recovery will come. Your job is to still be invested when it does.

Monitor current market risk levels across seven major asset classes on our live dashboard, and ensure you are prepared for the next downturn with our guide on how to prepare for a market crash.