Prev Cpn Rate

Function Prev Cpn Rate within Bond with keys Bond Prev Cpn Rate keys returns the coupon rate(s) of the accrual period(s) of the referenced bond(s) preceding the given reference date Tˢ

If the settlement date Tˢ is not explicitly given, it will be set to the bond's settlement date as implied by a trade transaction assumed to occur on the trade date T₀ (typically today).