Accrued Prd

Function Accrued Prd within Bond with keys Bond Accrued Prd keys returns the accrued period(s) of the referenced bond(s) at a given reference date Tˢ
This equals the number of calendar days from the start of the accrual period containing Tˢ until Tˢ expressed in annual units according to the bond's day count convention.

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).