This example values a fixed-coupon bond repurchase (repo). The repurchase agreement example is set up to use the repo rate to do all discounting (including the underlying bond income). Forward delivery price is also obtained using this repo rate. All this is done by supplying the FixedCouponBondForward constructor with a flat repo YieldTermStructure.
#include <ql/qldefines.hpp>
#ifdef BOOST_MSVC
# include <ql/auto_link.hpp>
#endif
#include <ql/instruments/fixedratebondforward.hpp>
#include <ql/pricingengines/bond/discountingbondengine.hpp>
#include <ql/termstructures/yield/flatforward.hpp>
#include <ql/time/schedule.hpp>
#include <ql/time/calendars/nullcalendar.hpp>
#include <ql/time/daycounters/actual360.hpp>
#include <ql/time/daycounters/thirty360.hpp>
#include <iostream>
#include <iomanip>
using namespace std;
#if defined(QL_ENABLE_SESSIONS)
ThreadKey sessionId() { return 0; }
}
#endif
int main(int, char* []) {
try {
std::cout << std::endl;
Date repoSettlementDate(14,February,2000);;
Date repoDeliveryDate(15,August,2000);
Date bondIssueDate(15,September,1995);
Date bondDatedDate(15,September,1995);
Date bondMaturityDate(15,September,2005);
Real bondCleanPrice = 89.97693786;
Real bondRedemption = 100.0;
Settings::instance().evaluationDate() = repoSettlementDate;
bondCurve.
linkTo(ext::shared_ptr<YieldTermStructure>(
.01,
bondDayCountConvention,
Compounded,
bondCouponFrequency)));
Schedule bondSchedule(bondDatedDate, bondMaturityDate,
bondCalendar,bondBusinessDayConvention,
bondBusinessDayConvention,
DateGeneration::Backward,false);
ext::shared_ptr<FixedRateBond> bond(
faceAmount,
bondSchedule,
std::vector<Rate>(1,bondCoupon),
bondDayCountConvention,
bondBusinessDayConvention,
bondRedemption,
bondIssueDate));
bond->setPricingEngine(ext::shared_ptr<PricingEngine>(
new DiscountingBondEngine(bondCurve)));
bondCurve.linkTo(ext::shared_ptr<YieldTermStructure> (
bond->yield(bondCleanPrice,
bondDayCountConvention,
Compounded,
bondCouponFrequency),
bondDayCountConvention,
Compounded,
bondCouponFrequency)));
Position::Type fwdType = Position::Long;
double dummyStrike = 91.5745;
repoCurve.linkTo(ext::shared_ptr<YieldTermStructure> (
repoRate,
repoDayCountConvention,
repoCompounding,
repoCompoundFreq)));
repoDeliveryDate,
fwdType,
dummyStrike,
repoSettlementDays,
repoDayCountConvention,
bondCalendar,
bondBusinessDayConvention,
bond,
repoCurve,
repoCurve);
cout << "Underlying bond clean price: "
<< bond->cleanPrice()
<< endl;
cout << "Underlying bond dirty price: "
<< bond->dirtyPrice()
<< endl;
cout << "Underlying bond accrued at settlement: "
<< bond->accruedAmount(repoSettlementDate)
<< endl;
cout << "Underlying bond accrued at delivery: "
<< bond->accruedAmount(repoDeliveryDate)
<< endl;
cout << "Underlying bond spot income: "
<< bondFwd.spotIncome(repoCurve)
<< endl;
cout << "Underlying bond fwd income: "
<< bondFwd.spotIncome(repoCurve)/
repoCurve->discount(repoDeliveryDate)
<< endl;
cout << "Repo strike: "
<< dummyStrike
<< endl;
cout << "Repo NPV: "
<< bondFwd.NPV()
<< endl;
cout << "Repo clean forward price: "
<< bondFwd.cleanForwardPrice()
<< endl;
cout << "Repo dirty forward price: "
<< bondFwd.forwardPrice()
<< endl;
cout << "Repo implied yield: "
<< bondFwd.impliedYield(bond->dirtyPrice(),
dummyStrike,
repoSettlementDate,
repoCompounding,
repoDayCountConvention)
<< endl;
cout << "Market repo rate: "
<< repoCurve->zeroRate(repoDeliveryDate,
repoDayCountConvention,
repoCompounding,
repoCompoundFreq)
<< endl
<< endl;
cout << "Compare with example given at \n"
<< "http://www.fincad.com/support/developerFunc/mathref/BFWD.htm"
<< endl;
cout << "Clean forward price = 88.2408"
<< endl
<< endl;
cout << "In that example, it is unknown what bond calendar they are\n"
<< "using, as well as settlement Days. For that reason, I have\n"
<< "made the simplest possible assumptions here: NullCalendar\n"
<< "and 0 settlement days."
<< endl;
return 0;
} catch (exception& e) {
cerr << e.what() << endl;
return 1;
} catch (...) {
cerr << "unknown error" << endl;
return 1;
}
}