QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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Public Member Functions | Protected Member Functions | Private Attributes | List of all members
FlatSmileSection Class Reference

#include <flatsmilesection.hpp>

+ Inheritance diagram for FlatSmileSection:
+ Collaboration diagram for FlatSmileSection:

Public Member Functions

 FlatSmileSection (const Date &d, Volatility vol, const DayCounter &dc, const Date &referenceDate=Date(), Real atmLevel=Null< Rate >(), VolatilityType type=ShiftedLognormal, Real shift=0.0)
 
 FlatSmileSection (Time exerciseTime, Volatility vol, const DayCounter &dc, Real atmLevel=Null< Rate >(), VolatilityType type=ShiftedLognormal, Real shift=0.0)
 
Real minStrike () const override
 
Real maxStrike () const override
 
Real atmLevel () const override
 
- Public Member Functions inherited from SmileSection
 SmileSection (const Date &d, DayCounter dc=DayCounter(), const Date &referenceDate=Date(), VolatilityType type=ShiftedLognormal, Rate shift=0.0)
 
 SmileSection (Time exerciseTime, DayCounter dc=DayCounter(), VolatilityType type=ShiftedLognormal, Rate shift=0.0)
 
 SmileSection ()=default
 
 ~SmileSection () override=default
 
void update () override
 
virtual Real minStrike () const =0
 
virtual Real maxStrike () const =0
 
Real variance (Rate strike) const
 
Volatility volatility (Rate strike) const
 
virtual Real atmLevel () const =0
 
virtual const DateexerciseDate () const
 
virtual VolatilityType volatilityType () const
 
virtual Rate shift () const
 
virtual const DatereferenceDate () const
 
virtual Time exerciseTime () const
 
virtual const DayCounterdayCounter () const
 
virtual Real optionPrice (Rate strike, Option::Type type=Option::Call, Real discount=1.0) const
 
virtual Real digitalOptionPrice (Rate strike, Option::Type type=Option::Call, Real discount=1.0, Real gap=1.0e-5) const
 
virtual Real vega (Rate strike, Real discount=1.0) const
 
virtual Real density (Rate strike, Real discount=1.0, Real gap=1.0E-4) const
 
Volatility volatility (Rate strike, VolatilityType type, Real shift=0.0) const
 
- 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 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 ()
 

Protected Member Functions

Volatility volatilityImpl (Rate) const override
 
- Protected Member Functions inherited from SmileSection
virtual void initializeExerciseTime () const
 
virtual Real varianceImpl (Rate strike) const
 
virtual Volatility volatilityImpl (Rate strike) const =0
 

Private Attributes

Volatility vol_
 
Real atmLevel_
 

Additional Inherited Members

- Public Types inherited from Observer
typedef set_type::iterator iterator
 

Detailed Description

Definition at line 34 of file flatsmilesection.hpp.

Constructor & Destructor Documentation

◆ FlatSmileSection() [1/2]

FlatSmileSection ( const Date d,
Volatility  vol,
const DayCounter dc,
const Date referenceDate = Date(),
Real  atmLevel = Null<Rate>(),
VolatilityType  type = ShiftedLognormal,
Real  shift = 0.0 
)

Definition at line 27 of file flatsmilesection.cpp.

◆ FlatSmileSection() [2/2]

FlatSmileSection ( Time  exerciseTime,
Volatility  vol,
const DayCounter dc,
Real  atmLevel = Null<Rate>(),
VolatilityType  type = ShiftedLognormal,
Real  shift = 0.0 
)

Definition at line 37 of file flatsmilesection.cpp.

Member Function Documentation

◆ minStrike()

Real minStrike ( ) const
overridevirtual

Implements SmileSection.

Definition at line 62 of file flatsmilesection.hpp.

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◆ maxStrike()

Real maxStrike ( ) const
overridevirtual

Implements SmileSection.

Definition at line 66 of file flatsmilesection.hpp.

◆ atmLevel()

Real atmLevel ( ) const
overridevirtual

Implements SmileSection.

Definition at line 70 of file flatsmilesection.hpp.

◆ volatilityImpl()

Volatility volatilityImpl ( Rate  ) const
overrideprotectedvirtual

Implements SmileSection.

Definition at line 74 of file flatsmilesection.hpp.

Member Data Documentation

◆ vol_

Volatility vol_
private

Definition at line 58 of file flatsmilesection.hpp.

◆ atmLevel_

Real atmLevel_
private

Definition at line 59 of file flatsmilesection.hpp.