QuantLib: a free/open-source library for quantitative finance
Reference manual - version 1.40
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Collar Class Reference

Concrete collar class. More...

#include <ql/instruments/capfloor.hpp>

Inheritance diagram for Collar:

Public Member Functions

 Collar (const Leg &floatingLeg, const std::vector< Rate > &capRates, const std::vector< Rate > &floorRates)
Public Member Functions inherited from CapFloor
 CapFloor (Type type, Leg floatingLeg, std::vector< Rate > capRates, std::vector< Rate > floorRates)
 CapFloor (Type type, Leg floatingLeg, const std::vector< Rate > &strikes)
void deepUpdate () override
bool isExpired () const override
 returns whether the instrument might have value greater than zero.
void setupArguments (PricingEngine::arguments *) const override
Type type () const
const std::vector< Rate > & capRates () const
const std::vector< Rate > & floorRates () const
const LegfloatingLeg () const
Date startDate () const
Date maturityDate () const
ext::shared_ptr< FloatingRateCouponlastFloatingRateCoupon () const
ext::shared_ptr< CapFlooroptionlet (Size n) const
 Returns the n-th optionlet as a new CapFloor with only one cash flow.
Rate atmRate (const YieldTermStructure &discountCurve) const
Volatility impliedVolatility (Real price, const Handle< YieldTermStructure > &disc, Volatility guess, Real accuracy=1.0e-4, Natural maxEvaluations=100, Volatility minVol=1.0e-7, Volatility maxVol=4.0, VolatilityType type=ShiftedLognormal, Real displacement=0.0) const
 implied term volatility
Public Member Functions inherited from Instrument
Real NPV () const
 returns the net present value of the instrument.
Real errorEstimate () const
 returns the error estimate on the NPV when available.
const DatevaluationDate () const
 returns the date the net present value refers to.
template<typename T>
result (const std::string &tag) const
 returns any additional result returned by the pricing engine.
const std::map< std::string, ext::any > & additionalResults () const
 returns all additional result returned by the pricing engine.
void setPricingEngine (const ext::shared_ptr< PricingEngine > &)
 set the pricing engine to be used.
virtual void fetchResults (const PricingEngine::results *) const
Public Member Functions inherited from LazyObject
void update () override
bool isCalculated () const
void forwardFirstNotificationOnly ()
void alwaysForwardNotifications ()
void recalculate ()
void freeze ()
void unfreeze ()
Public Member Functions inherited from Observable
 Observable (const Observable &)
Observableoperator= (const Observable &)
 Observable (Observable &&)=delete
Observableoperator= (Observable &&)=delete
void notifyObservers ()
Public Member Functions inherited from Observer
 Observer (const Observer &)
Observeroperator= (const Observer &)
std::pair< iterator, bool > registerWith (const ext::shared_ptr< Observable > &)
void registerWithObservables (const ext::shared_ptr< Observer > &)
Size unregisterWith (const ext::shared_ptr< Observable > &)
void unregisterWithAll ()

Additional Inherited Members

Public Types inherited from CapFloor
enum  Type { Cap , Floor , Collar }
Public Types inherited from Observer
typedef set_type::iterator iterator
Protected Member Functions inherited from Instrument
void calculate () const override
virtual void setupExpired () const
void performCalculations () const override
Protected Attributes inherited from Instrument
Real NPV_
Real errorEstimate_
Date valuationDate_
std::map< std::string, ext::any > additionalResults_
ext::shared_ptr< PricingEngineengine_
bool calculated_ = false
bool frozen_ = false
bool alwaysForward_

Detailed Description

Concrete collar class.