How to calculate an apy of a bond<br>Analyze the terms of a bond. 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.
The amount invested in a bond is the coupon rate
( z1 rate :mod ( z2 coupon ) :domain ( z3 amount :ARG1-of ( z4 invest :ARG2 ( z5 bond ) ) ) )