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fully annotated source code - version 1.34
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Public Member Functions | List of all members
ConstantOptionletVolatility Class Reference

Constant caplet volatility, no time-strike dependence. More...

#include <constantoptionletvol.hpp>

+ Inheritance diagram for ConstantOptionletVolatility:
+ Collaboration diagram for ConstantOptionletVolatility:

Public Member Functions

 ConstantOptionletVolatility (Natural settlementDays, const Calendar &cal, BusinessDayConvention bdc, Handle< Quote > volatility, const DayCounter &dc, VolatilityType type=ShiftedLognormal, Real displacement=0.0)
 floating reference date, floating market data More...
 
 ConstantOptionletVolatility (const Date &referenceDate, const Calendar &cal, BusinessDayConvention bdc, Handle< Quote > volatility, const DayCounter &dc, VolatilityType type=ShiftedLognormal, Real displacement=0.0)
 fixed reference date, floating market data More...
 
 ConstantOptionletVolatility (Natural settlementDays, const Calendar &cal, BusinessDayConvention bdc, Volatility volatility, const DayCounter &dc, VolatilityType type=ShiftedLognormal, Real displacement=0.0)
 floating reference date, fixed market data More...
 
 ConstantOptionletVolatility (const Date &referenceDate, const Calendar &cal, BusinessDayConvention bdc, Volatility volatility, const DayCounter &dc, VolatilityType type=ShiftedLognormal, Real displacement=0.0)
 fixed reference date, fixed market data More...
 
TermStructure interface
Date maxDate () const override
 the latest date for which the curve can return values More...
 
- Public Member Functions inherited from OptionletVolatilityStructure
 OptionletVolatilityStructure (BusinessDayConvention bdc=Following, const DayCounter &dc=DayCounter())
 default constructor More...
 
 OptionletVolatilityStructure (const Date &referenceDate, const Calendar &cal, BusinessDayConvention bdc, const DayCounter &dc=DayCounter())
 initialize with a fixed reference date More...
 
 OptionletVolatilityStructure (Natural settlementDays, const Calendar &, BusinessDayConvention bdc, const DayCounter &dc=DayCounter())
 calculate the reference date based on the global evaluation date More...
 
 ~OptionletVolatilityStructure () override=default
 
Volatility volatility (const Period &optionTenor, Rate strike, bool extrapolate=false) const
 returns the volatility for a given option tenor and strike rate More...
 
Volatility volatility (const Date &optionDate, Rate strike, bool extrapolate=false) const
 returns the volatility for a given option date and strike rate More...
 
Volatility volatility (Time optionTime, Rate strike, bool extrapolate=false) const
 returns the volatility for a given option time and strike rate More...
 
Real blackVariance (const Period &optionTenor, Rate strike, bool extrapolate=false) const
 returns the Black variance for a given option tenor and strike rate More...
 
Real blackVariance (const Date &optionDate, Rate strike, bool extrapolate=false) const
 returns the Black variance for a given option date and strike rate More...
 
Real blackVariance (Time optionTime, Rate strike, bool extrapolate=false) const
 returns the Black variance for a given option time and strike rate More...
 
ext::shared_ptr< SmileSectionsmileSection (const Period &optionTenor, bool extr=false) const
 returns the smile for a given option tenor More...
 
ext::shared_ptr< SmileSectionsmileSection (const Date &optionDate, bool extr=false) const
 returns the smile for a given option date More...
 
ext::shared_ptr< SmileSectionsmileSection (Time optionTime, bool extr=false) const
 returns the smile for a given option time More...
 
- Public Member Functions inherited from VolatilityTermStructure
 VolatilityTermStructure (BusinessDayConvention bdc, const DayCounter &dc=DayCounter())
 
 VolatilityTermStructure (const Date &referenceDate, const Calendar &cal, BusinessDayConvention bdc, const DayCounter &dc=DayCounter())
 initialize with a fixed reference date More...
 
 VolatilityTermStructure (Natural settlementDays, const Calendar &cal, BusinessDayConvention bdc, const DayCounter &dc=DayCounter())
 calculate the reference date based on the global evaluation date More...
 
virtual BusinessDayConvention businessDayConvention () const
 the business day convention used in tenor to date conversion More...
 
Date optionDateFromTenor (const Period &) const
 period/date conversion More...
 
- Public Member Functions inherited from TermStructure
 TermStructure (DayCounter dc=DayCounter())
 default constructor More...
 
 TermStructure (const Date &referenceDate, Calendar calendar=Calendar(), DayCounter dc=DayCounter())
 initialize with a fixed reference date More...
 
 TermStructure (Natural settlementDays, Calendar, DayCounter dc=DayCounter())
 calculate the reference date based on the global evaluation date More...
 
 ~TermStructure () override=default
 
virtual DayCounter dayCounter () const
 the day counter used for date/time conversion More...
 
Time timeFromReference (const Date &date) const
 date/time conversion More...
 
virtual Time maxTime () const
 the latest time for which the curve can return values More...
 
virtual const DatereferenceDate () const
 the date at which discount = 1.0 and/or variance = 0.0 More...
 
virtual Calendar calendar () const
 the calendar used for reference and/or option date calculation More...
 
virtual Natural settlementDays () const
 the settlementDays used for reference date calculation More...
 
void update () override
 
- Public Member Functions inherited from Observer
 Observer ()=default
 
 Observer (const Observer &)
 
Observeroperator= (const Observer &)
 
virtual ~Observer ()
 
std::pair< iterator, boolregisterWith (const ext::shared_ptr< Observable > &)
 
void registerWithObservables (const ext::shared_ptr< Observer > &)
 
Size unregisterWith (const ext::shared_ptr< Observable > &)
 
void unregisterWithAll ()
 
virtual void update ()=0
 
virtual void deepUpdate ()
 
- Public Member Functions inherited from Observable
 Observable ()
 
 Observable (const Observable &)
 
Observableoperator= (const Observable &)
 
 Observable (Observable &&)=delete
 
Observableoperator= (Observable &&)=delete
 
virtual ~Observable ()=default
 
void notifyObservers ()
 
- Public Member Functions inherited from Extrapolator
 Extrapolator ()=default
 
virtual ~Extrapolator ()=default
 
void enableExtrapolation (bool b=true)
 enable extrapolation in subsequent calls More...
 
void disableExtrapolation (bool b=true)
 disable extrapolation in subsequent calls More...
 
bool allowsExtrapolation () const
 tells whether extrapolation is enabled More...
 

VolatilityTermStructure interface

Handle< Quotevolatility_
 
VolatilityType type_
 
Real displacement_
 
Real minStrike () const override
 the minimum strike for which the term structure can return vols More...
 
Real maxStrike () const override
 the maximum strike for which the term structure can return vols More...
 
VolatilityType volatilityType () const override
 
Real displacement () const override
 
ext::shared_ptr< SmileSectionsmileSectionImpl (const Date &d) const override
 
ext::shared_ptr< SmileSectionsmileSectionImpl (Time) const override
 implements the actual smile calculation in derived classes More...
 
Volatility volatilityImpl (Time, Rate) const override
 implements the actual volatility calculation in derived classes More...
 

Additional Inherited Members

- Public Types inherited from Observer
typedef set_type::iterator iterator
 
- Protected Member Functions inherited from OptionletVolatilityStructure
virtual Volatility volatilityImpl (const Date &optionDate, Rate strike) const
 
- Protected Member Functions inherited from VolatilityTermStructure
void checkStrike (Rate strike, bool extrapolate) const
 strike-range check More...
 
- Protected Member Functions inherited from TermStructure
void checkRange (const Date &d, bool extrapolate) const
 date-range check More...
 
void checkRange (Time t, bool extrapolate) const
 time-range check More...
 
- Protected Attributes inherited from TermStructure
bool moving_ = false
 
bool updated_ = true
 
Calendar calendar_
 

Detailed Description

Constant caplet volatility, no time-strike dependence.

Definition at line 36 of file constantoptionletvol.hpp.

Constructor & Destructor Documentation

◆ ConstantOptionletVolatility() [1/4]

ConstantOptionletVolatility ( Natural  settlementDays,
const Calendar cal,
BusinessDayConvention  bdc,
Handle< Quote volatility,
const DayCounter dc,
VolatilityType  type = ShiftedLognormal,
Real  displacement = 0.0 
)

floating reference date, floating market data

Definition at line 30 of file constantoptionletvol.cpp.

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◆ ConstantOptionletVolatility() [2/4]

ConstantOptionletVolatility ( const Date referenceDate,
const Calendar cal,
BusinessDayConvention  bdc,
Handle< Quote volatility,
const DayCounter dc,
VolatilityType  type = ShiftedLognormal,
Real  displacement = 0.0 
)

fixed reference date, floating market data

Definition at line 43 of file constantoptionletvol.cpp.

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◆ ConstantOptionletVolatility() [3/4]

ConstantOptionletVolatility ( Natural  settlementDays,
const Calendar cal,
BusinessDayConvention  bdc,
Volatility  volatility,
const DayCounter dc,
VolatilityType  type = ShiftedLognormal,
Real  displacement = 0.0 
)

floating reference date, fixed market data

Definition at line 56 of file constantoptionletvol.cpp.

◆ ConstantOptionletVolatility() [4/4]

ConstantOptionletVolatility ( const Date referenceDate,
const Calendar cal,
BusinessDayConvention  bdc,
Volatility  volatility,
const DayCounter dc,
VolatilityType  type = ShiftedLognormal,
Real  displacement = 0.0 
)

fixed reference date, fixed market data

Definition at line 65 of file constantoptionletvol.cpp.

Member Function Documentation

◆ maxDate()

Date maxDate ( ) const
overridevirtual

the latest date for which the curve can return values

Implements TermStructure.

Definition at line 93 of file constantoptionletvol.hpp.

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◆ minStrike()

Real minStrike ( ) const
overridevirtual

the minimum strike for which the term structure can return vols

Implements VolatilityTermStructure.

Definition at line 97 of file constantoptionletvol.hpp.

◆ maxStrike()

Real maxStrike ( ) const
overridevirtual

the maximum strike for which the term structure can return vols

Implements VolatilityTermStructure.

Definition at line 101 of file constantoptionletvol.hpp.

◆ volatilityType()

VolatilityType volatilityType ( ) const
overridevirtual

Reimplemented from OptionletVolatilityStructure.

Definition at line 106 of file constantoptionletvol.hpp.

◆ displacement()

Real displacement ( ) const
overridevirtual

Reimplemented from OptionletVolatilityStructure.

Definition at line 110 of file constantoptionletvol.hpp.

◆ smileSectionImpl() [1/2]

ext::shared_ptr< SmileSection > smileSectionImpl ( const Date d) const
overrideprotectedvirtual

Reimplemented from OptionletVolatilityStructure.

Definition at line 74 of file constantoptionletvol.cpp.

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◆ smileSectionImpl() [2/2]

ext::shared_ptr< SmileSection > smileSectionImpl ( Time  optionTime) const
overrideprotectedvirtual

implements the actual smile calculation in derived classes

Implements OptionletVolatilityStructure.

Definition at line 81 of file constantoptionletvol.cpp.

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◆ volatilityImpl()

Volatility volatilityImpl ( Time  optionTime,
Rate  strike 
) const
overrideprotectedvirtual

implements the actual volatility calculation in derived classes

Implements OptionletVolatilityStructure.

Definition at line 87 of file constantoptionletvol.cpp.

Member Data Documentation

◆ volatility_

Handle<Quote> volatility_
private

Definition at line 85 of file constantoptionletvol.hpp.

◆ type_

VolatilityType type_
private

Definition at line 86 of file constantoptionletvol.hpp.

◆ displacement_

Real displacement_
private

Definition at line 87 of file constantoptionletvol.hpp.