Interface

#include <codecogs/finance/banking/billprice.h>

using namespace Finance::Banking;

	double	billPrice (int sett, int mat, double rate) Calculate the price per 100 units face value of a treasury bill. Excel: TBILLPRICE
	Real	cc_billPrice (Integer sett, Integer mat, Real rate) This function is available as a Microsoft Excel add-in.

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Function Documentation

Return the price per 100 (currency units) face value of a treasury bill. This function is equivalent to the Microsoft Excel function TBILLPRICE.

The following equation is used:

Where: price is the price per 100 face value of the treasury, rate is the discount rate of the treasury bill, DSM is the number of days from settlement to maturity.

References:

Microsoft Excel help file

Example:

#include <stdio.h>
#include <codecogs/units/date/date.h>
#include <codecogs/finance/banking/billprice.h>
 
int main(int argc, char *argv[])
{
  int settDate=Units::Date::date(1999, 3, 31);
  int maturityDate=Units::Date::date(1999, 6, 1);
  double result=Finance::Banking::billPrice(settDate, maturityDate, 0.09);
  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);
  
  printf("treasury bill price=%f\n\n", result);
 
  settDate=Units::Date::date(2005, 8, 9);
  maturityDate=Units::Date::date(2005, 12, 30);
  result=Finance::Banking::billPrice(settDate, maturityDate, 0.11);
  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);
  
  printf("treasury bill price=%f\n", result);
  return 0;
}

Output:

settlement=1999/3/31
maturity=1999/6/1
treasury bill price=98.45
 
settlement=2005/8/9
maturity=2005/12/30
treasury bill price=95.661111

Parameters:

sett	The settlement date, expressed as a serial Julian date. This is the date after issue when the treasury bill is traded to the buyer.
mat	The maturity date of the settlement, expressed as a serial Julian date. This is the date when the treasury bill expires.
rate	The discount rate of the treasury bill.

Returns:

The previous coupon date of the security.

Note:

maturity dates more than 1 yeaer after the settlement date cause an error message to be issued.

Authors:

James Warren (August 2005)

Source Code:

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