BAJAJ FINSERV DIRECT LIMITED
Stocks Insights

Understanding Stock Market Crashes: Why They Happen and What to Do

authour img
Nupur Wankhede

Table of Contents

Stock market crashes are rapid and significant declines in asset prices, often driven by panic selling and systemic upheaval. They can swerve seemingly calm markets into turmoil, but understanding their triggers and having a strategy can help investors navigate them effectively.

Common Causes of Market Crashes

Several interconnected factors can lead to a sudden and severe stock market crash. These causes often build up over time and, when combined, can trigger a rapid decline in market value. Here's an overview of the most common factors:

Economic Shocks

Unexpected economic events, such as a sudden recession, significant rises in oil prices, or sharp interest rate hikes by central banks, can disrupt market stability. These shocks can lead to a loss of investor confidence, prompting widespread sell-offs.

Speculative Bubbles

When asset prices rise significantly beyond their intrinsic value, driven by speculation rather than fundamental growth, the market becomes highly vulnerable. Once the bubble bursts and investor expectations are adjusted, the market can experience a sharp correction.

Systemic Failures

Failures within the financial system, like the collapse of major financial institutions (e.g., Lehman Brothers in 2008), can erode market trust. These failures can cause panic, leading to widespread market sell-offs as investors lose confidence in the stability of financial markets.

Geopolitical Tensions

Events like wars, trade disputes, or global health crises (e.g., pandemics) introduce massive uncertainty into the markets. These events often trigger sharp reactions, as investors fear the long-term economic impacts and the potential disruption of global trade and investment.

Leverage Overuse

The excessive use of leverage, or borrowing, to amplify potential gains in financial markets can lead to massive losses when market conditions reverse. Investors using margin trading or excessive borrowing are more vulnerable to rapid declines, which can spiral into a larger market crash as panic sets in.

Understanding these factors can help investors anticipate potential risks and make more informed decisions during volatile market periods.

Historical Crash Examples

The following table highlights some historical crashes:

Year

Event

Trigger

1929

Great Depression Crash

Stock bubble burst + banking failures

1987

Black Monday

Programmed trading + overvaluation

2008

Global Financial Crisis

Housing collapse + credit market dislocation

2020

COVID‑19 Crash

Pandemic lockdowns + economic halt

Each crash followed its own timeline, but shared features like high leverage, panic selling, and valuation extremes.

How Investors Can Prepare

Here’s what investors can do to prepare for a potential crash:

Keep a Long-Term Perspective

Markets often recover following crashes—staying invested allows you to ride out volatility and benefit from long-term growth.

Use Asset Allocation

Diversify across asset classes—such as bonds, gold, or cash equivalents—to cushion portfolio impact during equity downturns.

Set Clear Stop-Losses and Rebalancing Rules

Defined triggers help manage downside risks and keep portfolios aligned with target allocations.

Maintain a Cash Reserve

Having liquid funds ready during downturns allows you to buy quality assets at lower prices without selling into panic.

What to Do During a Crash

Here are a few measures you can take during a crash:

Avoid Emotional Decisions

Panic-driven decisions often result in crystallising losses. Emotional reactions like selling off assets in fear can harm your long-term investment strategy. It's essential to stay calm, assess the situation objectively, and follow your planned strategy without being swayed by short-term volatility.

Seize Buying Opportunities

Market crashes often create opportunities to buy fundamentally strong stocks at lower prices. If you have a long-term investment horizon, crashes can present chances to acquire undervalued assets that could offer substantial upside once market conditions stabilise.

Stay Informed

Stay updated with reliable and factual sources to understand the market's movements. Avoid sensationalist news, which may trigger unnecessary panic. Staying informed helps you make well-grounded decisions instead of reacting impulsively to media noise.

Review Risk Exposure

Use the downturn as a chance to assess your portfolio's risk exposure. If you're overly reliant on volatile sectors or assets, consider rebalancing your portfolio to maintain alignment with your financial goals. Regularly reviewing your asset allocation ensures you can navigate crashes while adhering to your risk tolerance.

Conclusion

Market crashes are daunting but not insurmountable. Awareness of their causes, prudent risk planning, diversification, and a calm mindset are key to navigating volatile periods. For long-term investors, downturns may present opportunities to buy quality assets at attractive prices—turning fear into strategic advantage.

Disclaimer

This content is for informational purposes only and the same should not be construed as investment advice. Bajaj Finserv Direct Limited shall not be liable or responsible for any investment decision that you may take based on this content.

FAQs

How often do stock market crashes occur?

There is no set pattern, but crashes typically happen during periods of excessive speculation, economic stress, or financial system imbalances.

Not automatically. Selling during panic often locks in losses. Instead, evaluate your long-term goals, risk tolerance, and potential buying opportunities.

It can be advantageous to buy sound businesses at discounted prices, but only if you have a long-term horizon and financial stability.

Most portfolios recover over time, especially those with diversified exposure. The recovery period can vary, but historically markets have rebounded.

While warning signs like inflated valuations and rising leverage can hint at vulnerability, exact timing and triggers are unpredictable.

View More
Hi! I’m Nupur Wankhede
BSE Insitute Alumni

With a Postgraduate degree in Global Financial Markets from the Bombay Stock Exchange Institute, Nupur has over 8 years of experience in the financial markets, specializing in investments, stock market operations, and project management. She has contributed to process improvements, cross-functional initiatives & content development across investment products. She bridges investment strategy with execution, blending content insight, operational efficiency, and collaborative execution to deliver impactful outcomes.

Academy by Bajaj Markets

eye icon 27667
share icon

All Things Tax

Navigate the tax maze with ease! Uncover Income Tax 101, demystify jargon with Terms for Beginners, and choose between Old or New Regimes.

Seasons 6
Episodes 25
Durations 1.3 Hrs
eye icon 48958
share icon

All Things Credit

Unlock the world of credit! From picking the perfect card to savvy loan management, navigate wisely.

Seasons 12
Episodes 56
Durations 3.0 Hrs
eye icon 27261
share icon

Money Management and Financial Planning

Money Management and Financial Planning covers personal finance basics, setting goals, budgeting...

Seasons 5
Episodes 19
Durations 1.1 Hrs
eye icon 13360
share icon

The Universe of Investments

Explore the investment cosmos! From beginner's guides to sharp-witted strategies, explore India's treasure trove of options.

Seasons 5
Episodes 23
Durations 1.5 Hrs
eye icon 2958
share icon

Insurance Handbook

Discover essential insights on various types of insurance in India.

Seasons 2
Episodes 6
Durations 0.5 Hrs
eye icon 4289
share icon

Tech in Finance

Welcome to Tech in Finance, where we explore the exciting intersection of technology and finance...

Seasons 1
Episodes 5
Durations 0.3 Hrs
Home
Home
ONDC_BD_StealDeals
Steal Deals
Credit Score
Credit Score
Accounts
Accounts
Explore
Explore

Our Products