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# cpndaten

Next coupon date for fixed-income security

## Syntax

```NextCouponDate = cpndaten(Settle, Maturity, Period, Basis,EndMonthRule, IssueDate, FirstCouponDate, LastCouponDate)
```

## Arguments

 Settle Settlement date. A vector of serial date numbers or date strings. Settle must be earlier than Maturity. Maturity Maturity date. A vector of serial date numbers or date strings. Period (Optional) Coupons per year of the bond. A vector of integers. Allowed values are 0, 1, 2 (default), 3, 4, 6, and 12. Basis (Optional) Day-count basis of the instrument. A vector of integers. 0 = actual/actual (default)1 = 30/360 (SIA)2 = actual/3603 = actual/3654 = 30/360 (PSA)5 = 30/360 (ISDA)6 = 30/360 (European)7 = actual/365 (Japanese)8 = actual/actual (ISMA)9 = actual/360 (ISMA)10 = actual/365 (ISMA)11 = 30/360E (ISMA) 12 = actual/365 (ISDA)13 = BUS/252For more information, see basis. EndMonthRule (Optional) End-of-month rule. A vector. This rule applies only when Maturity is an end-of-month date for a month having 30 or fewer days. 0 = ignore rule, meaning that a bond's coupon payment date is always the same numerical day of the month. 1 = set rule on (default), meaning that a bond's coupon payment date is always the last actual day of the month. IssueDate (Optional) Date when a bond was issued. FirstCouponDate (Optional) Date when a bond makes its first coupon payment; used when bond has an irregular first coupon period. When FirstCouponDate and LastCouponDate are both specified, FirstCouponDate takes precedence in determining the coupon payment structure. If you do not specify a FirstCouponDate, the cash flow payment dates are determined from other inputs. LastCouponDate (Optional) Last coupon date of a bond before the maturity date; used when bond has an irregular last coupon period. In the absence of a specified FirstCouponDate, a specified LastCouponDate determines the coupon structure of the bond. The coupon structure of a bond is truncated at the LastCouponDate, regardless of where it falls, and is followed only by the bond's maturity cash flow date. If you do not specify a LastCouponDate, the cash flow payment dates are determined from other inputs.

Required arguments must be number of bonds (NUMBONDS)-by-1 or 1-by-NUMBONDS conforming vectors or scalars. Optional arguments must be either NUMBONDS-by-1 or 1-by-NUMBONDS conforming vectors, scalars, or empty matrices.

## Description

NextCouponDate = cpndaten(Settle, Maturity, Period, Basis, EndMonthRule, IssueDate, FirstCouponDate, LastCouponDate) returns the next coupon date after the settlement date. This function finds the next coupon date whether or not the coupon structure is synchronized with the maturity date.

NextCouponDate is returned as a serial date number. The function datestr converts a serial date number to a formatted date string.

## Examples

```NextCouponDate = cpndaten('14 Mar 1997', '30 Nov 2000', 2, 0, 0);
datestr(NextCouponDate)```
```ans =

30-May-1997
```
```NextCouponDate = cpndaten('14 Mar 1997', '30 Nov 2000', 2, 0, 1);
datestr(NextCouponDate)
```
```ans =

31-May-1997
```
```Maturity = ['30 Sep 2000'; '31 Oct 2000'; '30 Nov 2000'];
NextCouponDate = cpndaten('14 Mar 1997', Maturity);
datestr(NextCouponDate)```
```ans =

31-Mar-1997
30-Apr-1997
31-May-1997
```