Stock Option Calculators | |||||
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Covered Call Calculator
The Covered Call Calculator can be used to chart theoretical
profit and loss (P&L) for covered call positions. To create a
covered strategy add a stock and a short call to the
calculator. Clicking on the chart icon 
on the Expensive Call/Put screeners loads the
calculator with a selected short call or short put. Clicking 'Add
Stock' will add the underlying stock to the calculator forming a
covered call or covered put position.
The black line shows the P&L, which is the sum of the P&L for the long stock and the short call positions. In this example, if the stock price stays above the short call strike price of $127, the position will net $580 per contract. The underlying security will have to fall $6.40 before the position starts to lose money.
The green triangle 
displays the approximate break-even point. General Help with the calculator can
be found here.