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Portfolio Margin Account

Trading Term

Portfolio Margin – IBKR AI Response

Portfolio margin is a risk-based margining system used by brokerage firms to calculate the minimum margin requirement for a portfolio of securities. Unlike the traditional margin system, which sets fixed margin requirements based on individual positions, portfolio margin evaluates the overall risk of a portfolio, considering how different positions in the portfolio interact with each other.

Under portfolio margin, margin requirements are typically lower for diversified portfolios, because the system recognizes that certain positions can offset potential risks. This can allow investors to take on larger positions with less capital, but it also requires more sophisticated risk management, as it reflects the actual market risks in the portfolio.

Portfolio margin is often used by more experienced traders, especially those engaging in complex strategies like options or futures trading, because it provides a more flexible and efficient way to allocate capital. However, it is typically only available to investors who meet certain eligibility criteria, such as having a minimum account balance and trading experience.

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