# In the '''Margin per Contract''' section, set '''Margin value % of contract cost''' to "0". This effectively disables the '''Margin per Contract''' section.
In real trading, margin values and other portfolio settings may change depending on the circumstances. Portfolio Trader enables the user to calculate the margin values and change portfolio settings dynamically with PowerLanguage: https://www.multicharts.com/trading-software/index.php/Category:Portfolio_Strategy_Position.
For more information, please see PowerLanguage portfolio-related keywords (prefixed with the word "Portfolio").