i.e. Mortgage rates valid as of August 20, 2021 10:07 am Eastern Daylight Time and assume borrower has excellent credit (including a credit score of 740 or higher). Estimated monthly payments shown include principal, interest and (if applicable) any required mortgage insurance. ARM interest rates and payments are subject to increase after the initial fixed-rate period (5 years for a 5/1 ARM, 7 years for a 7/1 ARM and 10 years for a 10/1 ARM). Select the About ARM rates link for important information, including estimated payments and rate adjustments.