# Manuals/calci/COUPDAYS

COUPDAYS (SettlementDate,MaturityDate,Frequency,Basis)

• Where is the security's settlement date (a date when coupon or a bond is purchased),
• is the security's maturity date (a date when coupon or a bond expires),
• is the number of coupon payments per year, and
• is the type of day count basis to use.
• COUPDAYS(), returns the number of days in the coupon period that contains the settlement date.

## Description

COUPDAYS (SettlementDate,MaturityDate,Frequency,Basis)

• COUPDAYS() calculates the number of days between the coupon dates surrounding the settlement date.
• and dates should be entered either in 'date format' or 'dates returned using formulas'. If dates are not valid, Calci displays #N/A error message.
• If date, Calci displays #N/A error message.
• The values for should be 1,2 or 4.

For Annual payment, Frequency = 1,

For Semi-annual payment, Frequency = 2,

For Quarterly payment, Frequency = 4.

• value is optional. If omitted, Calci assumes it to be 0.

Below table shows the use of values:

Basis Description
0 US (NASD) 30/360
1 Actual/actual
2 Actual/360
3 Actual/365
4 European 30/360
• If value is other than 0 to 4, Calci displays #N/A error message.

## Examples

Consider the following example that shows the use of COUPDAYS function:

 06/20/2010 12/20/2014 2 1
```=COUPDAYS(A1,A2,A3,A4) displays 183 as a result.
=COUPDAYS(DATE(2012,1,1),DATE(2013,1,1),1,1) displays 366 as a result.
```

COUPDAYS