Cash Account vs Margin Account
How account types differ in borrowing ability, flexibility, settlement behavior, and risk.
When you open a brokerage account, one of the foundational choices is between a cash account and a margin account. Each has different rules, capabilities, costs, and risk profiles. Understanding the difference is important before you begin transacting — especially if you intend to trade derivatives or short-sell.
Key Concepts
A cash account requires you to pay fully for every purchase with your own available funds. You cannot borrow from the broker. Settlement happens normally — typically T+1 for equity delivery in India. Cash accounts are simpler, lower-risk, and suitable for straightforward investing.
A margin account allows you to borrow funds from your broker to purchase securities or take leveraged positions, using your existing holdings as collateral. This amplifies both potential gains and potential losses. In India, the concept of margins is most relevant in the F&O (Futures and Options) segment and intraday equity trading.
Leverage is the core feature of margin accounts. If you have ₹1,00,000 and your broker offers 5x leverage, you can control ₹5,00,000 worth of exposure. A 5% move in your favor doubles your capital; a 5% move against you wipes it out. Leverage dramatically compresses the range of price movement needed to significantly affect your account.
Margin calls occur when your account value falls below the required maintenance margin. The broker demands additional funds immediately. If you cannot meet the call, the broker can liquidate your positions — often at unfavorable prices — to recover the borrowed amount.
Interest on borrowed margin is charged daily or monthly. This ongoing cost erodes returns even in profitable positions held over time. Margin borrowing is most costly when positions are held for extended periods.
Common Mistakes
Using margin without fully understanding leverage mechanics is extremely dangerous. Even experienced investors have been financially destroyed by margin calls during rapid market declines.
Assuming margin increases opportunity without recognizing that it equally amplifies risk in the opposite direction. Every benefit of leverage has a mirrored risk.
Not monitoring positions in a margin account actively is dangerous. Market gaps — price jumps between close and the next open — can cause losses that exceed the available margin balance.
Key Takeaways
Cash accounts are simpler, safer, and require no borrowing. Ideal for long-term investors.
Margin accounts enable leverage but amplify both gains and losses equally. They require active monitoring.
Margin calls can force liquidation at the worst time. Understanding the mechanics before using margin is essential.
The interest cost of margin borrowing erodes returns over time. Leverage is most costly when held for extended periods.