Log in to calculate profit/loss potential for single- and multi-leg option strategies.
- Model complex multi-leg strategies to see profit/loss potential before you place a trade.
- Change assumptions such as underlying price, volatility, or days-to-expiration and see the graph update instantly.
- Click-to-trade straight from the calculator.
![](https://www.fidelity.com/webcontent/ap002390-mlo-content/22.11/content/images/PLCalcPeek.png)