
7 Things You Need to Know About a Margin Call
Got a Margin Call? Here’s What You Need to Do Next
A margin call is one of the biggest risks investors face when borrowing money to buy stocks or other investments. During periods of extreme market volatility, such as a stock market crash, thousands—or even millions—of investors can receive margin calls as falling asset prices reduce the value of their portfolios.
Understanding how margin calls work can help you avoid costly mistakes and better protect your investments.
Here’s what every investor should know.
1. What Is a Margin Call?
A margin call occurs when the value of investments held in a margin account falls below the minimum level required by your broker.
Because you’ve borrowed money to purchase investments, your broker requires you to maintain a certain amount of equity in your account. If market prices fall too much, you’ll be asked to:
- Deposit additional cash
- Add more securities
- Reduce your borrowed amount
If you don’t act quickly, your broker can sell your investments without your permission.
2. Why Do Margin Calls Happen?
Margin calls usually happen during sharp market declines.
Common causes include:
- Stock market crashes
- Sudden price drops
- High market volatility
- Excessive borrowing
- Concentrated positions in a single stock
The more leverage you use, the greater your risk.
3. You Can Lose More Than Your Original Investment
Many new investors believe they can only lose the money they invested.
That’s not always true.
Because margin investing involves borrowed money, losses can exceed your initial investment if prices fall rapidly.
In severe cases, investors may still owe money even after their investments have been sold.
4. Brokers Can Sell Your Investments Without Asking
One of the biggest misconceptions about margin trading is that brokers must ask for permission before selling your investments.
In most margin agreements, they don’t.
If you fail to meet a margin call, your broker can:
- Sell shares immediately
- Choose which investments to sell
- Liquidate enough assets to reduce the loan balance
This process is known as forced liquidation.
5. Margin Calls Can Make Market Crashes Worse
Margin calls don’t just affect individual investors—they can accelerate market declines.
Here’s how:
- Stock prices fall.
- Investors receive margin calls.
- Brokers sell investments.
- More selling pushes prices even lower.
- Additional investors receive margin calls.
This chain reaction can turn a market correction into a much larger sell-off.
6. You Can Reduce Your Risk
While margin trading can increase potential returns, it also increases risk.
You can reduce the chances of receiving a margin call by:
- Borrowing less money
- Keeping extra cash in your account
- Diversifying your investments
- Monitoring your portfolio regularly
- Avoiding excessive leverage
Successful investors often focus on risk management rather than maximizing borrowed capital.
7. Margin Trading Isn’t Right for Everyone
Margin accounts can be useful for experienced investors, but they’re not suitable for everyone.
If you’re new to investing, it’s often safer to build wealth using cash investments before considering leverage.
Before opening a margin account, ask yourself:
- Can I afford significant losses?
- Do I understand how leverage works?
- Can I meet a margin call if markets fall suddenly?
If the answer is no, margin investing may not be the right choice.
How to Avoid a Margin Call
Here are practical steps to help lower your risk:
✅ Keep borrowing to a minimum.
✅ Maintain a cash buffer in your account.
✅ Diversify across different sectors and asset classes.
✅ Set personal risk limits.
✅ Avoid investing all your available margin.
✅ Review your portfolio regularly during volatile markets.

Why Margin Calls Matter
Major market downturns often reveal the dangers of excessive leverage.
Whether it’s a global financial crisis, a technology bubble bursting, or a sudden stock market correction, margin calls can amplify losses and create panic selling.
Understanding how margin accounts work is essential for anyone considering borrowing money to invest.
Knowledge and disciplined risk management can help investors navigate volatile markets more confidently.
Open a real trading accountFrequently Asked Questions (AEO)
What is a margin call?
A margin call is a broker’s request for an investor to deposit more money or securities after the value of their margin account falls below the required maintenance level.
What happens if I ignore a margin call?
If you don’t meet a margin call, your broker may sell some or all of your investments without your approval to recover the borrowed funds.
Can I lose more than I invested?
Yes. Because margin trading uses borrowed money, investors can lose more than their original investment if markets move sharply against them.
How can I avoid a margin call?
You can reduce the risk by borrowing less, maintaining extra cash in your account, diversifying your portfolio, and monitoring your investments regularly.
Is margin trading suitable for beginners?
Generally, no. Margin trading carries higher risks than investing with your own money and is usually better suited to experienced investors who understand leverage and risk management.
Key Takeaways
- A margin call happens when your account equity falls below your broker’s requirement.
- Ignoring a margin call can result in forced liquidation of your investments.
- Using excessive leverage increases both potential gains and potential losses.
- Good risk management and diversification can help reduce the likelihood of a margin call.
- Margin trading is a powerful tool, but it requires discipline, experience, and careful planning.