COUPDAYBS function


Calculates the number of days from the beginning of the coupon period to the settlement date.



COUPNUM( settlementmaturityfrequency[basis] )


required arguments:

settlement The security settlement date is the date after the issue date when the security is traded to the buyer.
maturity The maturity date is the date when the security expires.
frequency For annual payments, frequency = 1; for semiannual, frequency = 2; for quarterly, frequency = 4.


optional arguments:

[basis] The type of day count basis to use.