Annual percentage yield (APY) is a normalized representation of an interest rate, based on a For example, a CD that has a 4.65% APR, compounded monthly, would instead be quoted as a 4.65% APY. Also, it is worth noting that a nominal interest rate and its corresponding APY are very nearly equal when they are  much interest you can earn on a Certificate of Deposit (CD). Just enter a few pieces of information and we will calculate your annual percentage yield (APY)