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FinanceBanking

coupon Prev Date

Finance namespace
Controller: CodeCogs

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Dependents

Info

Interface

C++

CouponPrevDate

 
intcouponPrevDateintsett
intmat
Finance::Banking::YearlyFreqfreq
Finance::Banking::YearBasisbasis = yb_USA )
Calculate the previous coupon date before the settlement date. This value may be equal to the settlement date.

For a security, the settlement date is the date after issue when the security is traded to the buyer. The maturity date is the date at which the security expires.

Example 1

#include <stdio.h>
 
#include <codecogs/units/date/date.h>
#include <codecogs/units/date/dateymd.h>
#include <codecogs/finance/banking/couponprevdate.h>
 
int main(void)
{
  int prevDate;
  int settDate=Units::Date::date(1998, 1, 25);
  int maturityDate=Units::Date::date(1999, 11, 15);
 
  prevDate=Finance::Banking::couponPrevDate(settDate,
                                            maturityDate,
                                            Finance::Banking::yf_SemiAnnual);
  int y, m, d;

Units::Date::dateYMD(settDate, y, m, d); printf("settlement=%i/%i/%i\n", y, m, d);

Units::Date::dateYMD(maturityDate, y, m, d); printf("maturity=%i/%i/%i\n", y, m, d);

Units::Date::dateYMD(prevDate, y, m, d); printf("previous coupon date=%i/%i/%i\n", y, m, d);   return 0; }
Output:
settlement=1998/1/25
maturity=1999/11/15
previous coupon date=1997/11/15

The yearly frequency to be used in financial calculations

TypeDescription
yf_Annual Payments are made annually.
yf_SemiAnnual Payments are semi-annual (2 per year).
yf_Quarterly Payments are quarterly (4 per year).

Authors

James Warren (August 2005)

TypeValueDescription
yb_US0US (NASD) 30/360 - As with the European 30/360 (yb_EU, with the additional provision that if the end date occurs on the 31st of a month it is moved to the 1st of the next month if the start date is earlier than the 30th.
yb_Act1Uses the exact number of elapsed days between the two dates, as well as the exact length of the year.
yb_Act3602Uses the exact number of elapsed days between two dates but assumes the year only have 360 days
yb_Act3653Uses the exact number of elapsed days between two dates but assumes the year always has 365 days
yb_EU4European 30/360 - Each month is assumed to have 30 days, such that the year has only 360 days. Start and end dates that occur on the 31st of a month become equal to the 30th of the same month.

Parameters

settThe settlement date, expressed as a serial Julian date.
matThe maturity date of the settlement, expressed as a serial Julian date.
freqThe frequency with which payments are made:
basisThe year basis to use for the calculation:

Returns

The previous coupon date of the security.

Authors

James Warren (August 2005)
Source Code

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