when selling an option how do you determine the price?
Sell 1 TUV Sep 30 put at 8. 1  Determine the maximum gain. The seller makes money only if the holder of the option fails to exercise it. 2  Find the maximum loss. To calculate the maximum loss, you have to exercise the option at the strike price. The strike price is 30, so you place $3,000 (30 strike price Ã 100 shares per option) on the opposite side of the options chart.