/// <summary>
/// Deducts the matched positions from the specified <paramref name="positions"/> taking into account the multiplier
/// </summary>
public OptionPositionCollection RemoveFrom(OptionPositionCollection positions)
{
var optionPositions = Legs.Select(leg => leg.CreateOptionPosition(Multiplier));
if (Definition.UnderlyingLots != 0)
{
optionPositions = optionPositions.Concat(new[]
{
new OptionPosition(Legs[0].Position.Symbol.Underlying, Definition.UnderlyingLots * Multiplier)
});
}
return(positions.RemoveRange(optionPositions));
}
/// <summary>
/// Deducts the matched positions from the specified <paramref name="positions"/>
/// </summary>
public OptionPositionCollection RemoveFrom(OptionPositionCollection positions)
{
return(positions.RemoveRange(Legs.Select(leg => leg.Position)));
}