FixedRateBond::FixedRateBond(Natural settlementDays,
Real faceAmount,
const Schedule& schedule,
const std::vector<Rate>& coupons,
const DayCounter& accrualDayCounter,
BusinessDayConvention paymentConvention,
Real redemption,
const Date& issueDate,
const Calendar& paymentCalendar)
: Bond(settlementDays,
paymentCalendar==Calendar() ? schedule.calendar() : paymentCalendar,
issueDate),
frequency_(schedule.tenor().frequency()),
dayCounter_(accrualDayCounter) {
maturityDate_ = schedule.endDate();
cashflows_ = FixedRateLeg(schedule)
.withNotionals(faceAmount)
.withCouponRates(coupons, accrualDayCounter)
.withPaymentCalendar(calendar_)
.withPaymentAdjustment(paymentConvention);
addRedemptionsToCashflows(std::vector<Real>(1, redemption));
QL_ENSURE(!cashflows().empty(), "bond with no cashflows!");
QL_ENSURE(redemptions_.size() == 1, "multiple redemptions created");
}
Autocall::Autocall(
const std::vector<Real>& notionals,
const Schedule& fixedSchedule,
const std::vector<Rate>& fixedCoupons,
const Schedule& callDates,
const std::vector<Real>& callLevels,
const std::vector<Real>& callPayments,
const Date& strikeDate,
const std::vector<Real>& strikeLevels,
const Autocall::RedemptionInfo& redemptionInfo,
const boost::shared_ptr<BasketPayoff>& underlyingType
)
: MultiAssetOption(boost::shared_ptr<Payoff>(
new PlainVanillaPayoff(Option::Call, callLevels.back())),
boost::shared_ptr<Exercise>(
new EuropeanExercise(callDates.endDate()))),
notionals_ ( notionals ),
fixedSchedule_ ( fixedSchedule ),
fixedCoupons_ ( fixedCoupons ),
callDates_ ( callDates ),
callLevels_ ( callLevels ),
callPayments_ ( callPayments ),
strikeDate_ ( strikeDate ),
strikeLevels_ ( strikeLevels ),
redemptionInfo_ ( redemptionInfo ),
underlyingType_ ( underlyingType )
{}
CPIBond::CPIBond(Natural settlementDays,
Real faceAmount,
bool growthOnly,
Real baseCPI,
const Period& observationLag,
const boost::shared_ptr<ZeroInflationIndex>& cpiIndex,
CPI::InterpolationType observationInterpolation,
const Schedule& schedule,
const std::vector<Rate>& fixedRate,
const DayCounter& accrualDayCounter,
BusinessDayConvention paymentConvention,
const Date& issueDate)
: Bond(settlementDays, schedule.calendar(), issueDate),
frequency_(schedule.tenor().frequency()),
dayCounter_(accrualDayCounter),
growthOnly_(growthOnly),
baseCPI_(baseCPI),
observationLag_(observationLag),
cpiIndex_(cpiIndex),
observationInterpolation_(observationInterpolation)
{
maturityDate_ = schedule.endDate();
// a CPIleg know about zero legs and inclusion of base inflation notional
cashflows_ = CPILeg(schedule, cpiIndex_,
baseCPI_, observationLag_)
.withNotionals(faceAmount)
.withFixedRates(fixedRate)
.withPaymentDayCounter(accrualDayCounter)
.withPaymentAdjustment(paymentConvention)
.withObservationInterpolation(observationInterpolation_)
.withSubtractInflationNominal(growthOnly_);
registerWith(cpiIndex_);
Leg::const_iterator i;
for (i = cashflows_.begin(); i < cashflows_.end(); ++i) {
registerWith(*i);
}
};
FloatingCatBond::FloatingCatBond(
Natural settlementDays,
Real faceAmount,
const Schedule& schedule,
const boost::shared_ptr<IborIndex>& iborIndex,
const DayCounter& paymentDayCounter,
boost::shared_ptr<NotionalRisk> notionalRisk,
BusinessDayConvention paymentConvention,
Natural fixingDays,
const std::vector<Real>& gearings,
const std::vector<Spread>& spreads,
const std::vector<Rate>& caps,
const std::vector<Rate>& floors,
bool inArrears,
Real redemption,
const Date& issueDate)
: CatBond(settlementDays, schedule.calendar(), issueDate, notionalRisk) {
maturityDate_ = schedule.endDate();
cashflows_ = IborLeg(schedule, iborIndex)
.withNotionals(faceAmount)
.withPaymentDayCounter(paymentDayCounter)
.withPaymentAdjustment(paymentConvention)
.withFixingDays(fixingDays)
.withGearings(gearings)
.withSpreads(spreads)
.withCaps(caps)
.withFloors(floors)
.inArrears(inArrears);
addRedemptionsToCashflows(std::vector<Real>(1, redemption));
QL_ENSURE(!cashflows().empty(), "bond with no cashflows!");
QL_ENSURE(redemptions_.size() == 1, "multiple redemptions created");
registerWith(iborIndex);
}
AmortizingFixedRateBond::AmortizingFixedRateBond(
Natural settlementDays,
const std::vector<Real>& notionals,
const Schedule& schedule,
const std::vector<Rate>& coupons,
const DayCounter& accrualDayCounter,
BusinessDayConvention paymentConvention,
const Date& issueDate)
: Bond(settlementDays, schedule.calendar(), issueDate),
frequency_(schedule.tenor().frequency()),
dayCounter_(accrualDayCounter) {
maturityDate_ = schedule.endDate();
cashflows_ = FixedRateLeg(schedule)
.withNotionals(notionals)
.withCouponRates(coupons, accrualDayCounter)
.withPaymentAdjustment(paymentConvention);
addRedemptionsToCashflows();
QL_ENSURE(!cashflows().empty(), "bond with no cashflows!");
}
AssetSwap::AssetSwap(bool payBondCoupon,
const shared_ptr<Bond>& bond,
Real bondCleanPrice,
const shared_ptr<IborIndex>& iborIndex,
Spread spread,
const Schedule& floatSchedule,
const DayCounter& floatingDayCounter,
bool parSwap)
: Swap(2), bond_(bond), bondCleanPrice_(bondCleanPrice),
nonParRepayment_(100), spread_(spread), parSwap_(parSwap)
{
Schedule schedule = floatSchedule;
if (floatSchedule.empty())
schedule = Schedule(bond_->settlementDate(),
bond_->maturityDate(),
iborIndex->tenor(),
iborIndex->fixingCalendar(),
iborIndex->businessDayConvention(),
iborIndex->businessDayConvention(),
DateGeneration::Backward,
false); // endOfMonth
// the following might become an input parameter
BusinessDayConvention paymentAdjustment = Following;
Date finalDate = schedule.calendar().adjust(
schedule.endDate(), paymentAdjustment);
Date adjBondMaturityDate = schedule.calendar().adjust(
bond_->maturityDate(), paymentAdjustment);
QL_REQUIRE(finalDate==adjBondMaturityDate,
"adjusted schedule end date (" <<
finalDate <<
") must be equal to adjusted bond maturity date (" <<
adjBondMaturityDate << ")");
// bondCleanPrice must be the (forward) clean price
// at the floating schedule start date
upfrontDate_ = schedule.startDate();
Real dirtyPrice = bondCleanPrice_ +
bond_->accruedAmount(upfrontDate_);
Real notional = bond_->notional(upfrontDate_);
/* In the market asset swap, the bond is purchased in return for
payment of the full price. The notional of the floating leg is
then scaled by the full price. */
if (!parSwap_)
notional *= dirtyPrice/100.0;
if (floatingDayCounter==DayCounter())
legs_[1] = IborLeg(schedule, iborIndex)
.withNotionals(notional)
.withPaymentAdjustment(paymentAdjustment)
.withSpreads(spread);
else
legs_[1] = IborLeg(schedule, iborIndex)
.withNotionals(notional)
.withPaymentDayCounter(floatingDayCounter)
.withPaymentAdjustment(paymentAdjustment)
.withSpreads(spread);
for (Leg::const_iterator i=legs_[1].begin(); i<legs_[1].end(); ++i)
registerWith(*i);
const Leg& bondLeg = bond_->cashflows();
for (Leg::const_iterator i=bondLeg.begin(); i<bondLeg.end(); ++i) {
// whatever might be the choice for the discounting engine
// bond flows on upfrontDate_ must be discarded
bool upfrontDateBondFlows = false;
if (!(*i)->hasOccurred(upfrontDate_, upfrontDateBondFlows))
legs_[0].push_back(*i);
}
QL_REQUIRE(!legs_[0].empty(),
"empty bond leg to start with");
// special flows
if (parSwap_) {
// upfront on the floating leg
Real upfront = (dirtyPrice-100.0)/100.0*notional;
shared_ptr<CashFlow> upfrontCashFlow(new
SimpleCashFlow(upfront, upfrontDate_));
legs_[1].insert(legs_[1].begin(), upfrontCashFlow);
// backpayment on the floating leg
// (accounts for non-par redemption, if any)
Real backPayment = notional;
shared_ptr<CashFlow> backPaymentCashFlow(new
SimpleCashFlow(backPayment, finalDate));
legs_[1].push_back(backPaymentCashFlow);
} else {
// final notional exchange
shared_ptr<CashFlow> finalCashFlow(new
SimpleCashFlow(notional, finalDate));
legs_[1].push_back(finalCashFlow);
}
QL_REQUIRE(!legs_[0].empty(), "empty bond leg");
for (Leg::const_iterator i=legs_[0].begin(); i<legs_[0].end(); ++i)
registerWith(*i);
if (payBondCoupon) {
payer_[0]=-1.0;
payer_[1]=+1.0;
} else {
payer_[0]=+1.0;
payer_[1]=-1.0;
}
}
