Which of the following apply is the CORRECT Profit & Loss Formula?
- ((1 / Futures Last Price) - (1 / Futures Mark Price)) * Position Size
- ((1 / Futures Entry Price) - (1 / Futures Exit Price)) * Position Size
- (1 - Futures Exit Price / Futures Entry Price) * Position Size
- (1 - Futures Mark Price / Futures Last Price) * Position Size