The mortgage payoff calculator helps you find out. Let's implement this calculation in Python.Payoffs to option positions can be calculated in different ways depending on what the investor is looking for. Explore options terminology. Let's look at the payoff from the options and the various formulas that we have. Underlying price is lower than strike price; 2. Underlying price is equal to strike price; 3. The long call holder makes a profit equal to the stock price at expiration minus strike price minus premium if the option is in the money. Use SmartAsset's free Arizona mortgage loan calculator to determine your monthly payments, including PMI, homeowners insurance, taxes, interest and more. Our mobile and web services allow you to obtain real time account information, deposit checks, pay bills, transfer funds, purchase on the go, and more.