Margin Trading
A leveraged account structure in which broker, regulatory, and market rules can force deposits or liquidation without a favorable price.
Margin trading uses borrowed funds or securities collateral to increase exposure. Requirements vary by broker, jurisdiction, asset, concentration, volatility, and account type, and brokers may impose house rules above regulatory minimums or liquidate positions without waiting for the client.
Frequently Asked Questions
Can margin losses exceed the investor equity?
Yes. Gaps, rapid declines, illiquidity, interest, fees, and liquidation delays can produce a debit balance beyond the original equity contribution.
Is maintenance margin always 25% to 30%?
No. Regulatory minimums, broker house requirements, concentration charges, option rules, and asset-specific requirements differ and can change without advance notice.
Does a broker have to issue a margin call before selling positions?
Not necessarily. Account agreements often permit immediate liquidation, choice of which assets to sell, and sale without contacting the client first.
Is there a safe percentage of portfolio margin to use?
There is no universal safe limit. Risk depends on volatility, correlation, liquidity, gap exposure, financing cost, concentration, income stability, and ability to meet calls.