The coupons were presented to the bond issuer to make it collect periodic interest payments.

The COUPDAYS function returns the number of days in a coupon period that includes the settlement date.

The settlement date is the date the investor takes possession of a security.

Excel COUPNUM function

Thefrequencyis the number of interest payments per year.

Entering dates

In Excel,dates are serial numbers.

To enter valid dates directly, you’ve got the option to use theDATE function.

Excel COUPDAYS function

Basis

Thebasisargument controls how days are counted.

The COUPDAYS function allows 5 options (0-4) and defaults to zero, which specifies US 30/360basis.

Thisarticle on wikipediaprovides a detailed explanation of available conventions.

Excel COUPDAYBS function

COUPDAYS Function

COUPDAYBS Function

COUPDAYSNC Function

COUPNCD Function

COUPPCD Function

Excel COUPDAYSNC function

Excel COUPNCD function

Excel COUPPCD function