[header] How to calculate an apy of a bond [title] Analyze the terms of a bond. [step] The amount you invest is called the " face value " of the bond, while the interest rate is called the " coupon rate. " the maturity date is the date you receive repayment of the amount you invested plus the interest owed to you. 
[substeps] Figuring out the apy is helpful when comparing investments. Bonds can be issued for terms ranging from a few months to as much as 30 years.