/// <summary>
/// Gets the margin available for trading a specific symbol in a specific direction.
/// </summary>
/// <param name="symbol">The symbol to compute margin remaining for</param>
/// <param name="direction">The order/trading direction</param>
/// <returns>The maximum order size that is currently executable in the specified direction</returns>
public decimal GetMarginRemaining(Symbol symbol, OrderDirection direction = OrderDirection.Buy)
{
var security = Securities[symbol];
var positionGroup = Positions.GetOrCreateDefaultGroup(security);
var parameters = new PositionGroupBuyingPowerParameters(this, positionGroup, direction);
return(positionGroup.BuyingPowerModel.GetPositionGroupBuyingPower(parameters));
}
