QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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Local volatility surface derived from a Black vol surface. More...
#include <localvolsurface.hpp>
Public Member Functions | |
LocalVolSurface (const Handle< BlackVolTermStructure > &blackTS, Handle< YieldTermStructure > riskFreeTS, Handle< YieldTermStructure > dividendTS, Handle< Quote > underlying) | |
LocalVolSurface (const Handle< BlackVolTermStructure > &blackTS, Handle< YieldTermStructure > riskFreeTS, Handle< YieldTermStructure > dividendTS, Real underlying) | |
TermStructure interface | |
const Date & | referenceDate () const override |
the date at which discount = 1.0 and/or variance = 0.0 More... | |
DayCounter | dayCounter () const override |
the day counter used for date/time conversion More... | |
Date | maxDate () const override |
the latest date for which the curve can return values More... | |
VolatilityTermStructure interface | |
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... | |
Public Member Functions inherited from LocalVolTermStructure | |
LocalVolTermStructure (BusinessDayConvention bdc=Following, const DayCounter &dc=DayCounter()) | |
default constructor More... | |
LocalVolTermStructure (const Date &referenceDate, const Calendar &cal=Calendar(), BusinessDayConvention bdc=Following, const DayCounter &dc=DayCounter()) | |
initialize with a fixed reference date More... | |
LocalVolTermStructure (Natural settlementDays, const Calendar &, BusinessDayConvention bdc=Following, const DayCounter &dc=DayCounter()) | |
calculate the reference date based on the global evaluation date More... | |
~LocalVolTermStructure () override=default | |
Volatility | localVol (const Date &d, Real underlyingLevel, bool extrapolate=false) const |
Volatility | localVol (Time t, Real underlyingLevel, bool extrapolate=false) const |
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 | |
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 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 &) | |
Observer & | operator= (const Observer &) |
virtual | ~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 () |
virtual void | update ()=0 |
virtual void | deepUpdate () |
Public Member Functions inherited from Observable | |
Observable () | |
Observable (const Observable &) | |
Observable & | operator= (const Observable &) |
Observable (Observable &&)=delete | |
Observable & | operator= (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... | |
Visitability | |
Handle< BlackVolTermStructure > | blackTS_ |
Handle< YieldTermStructure > | riskFreeTS_ |
Handle< YieldTermStructure > | dividendTS_ |
Handle< Quote > | underlying_ |
void | accept (AcyclicVisitor &) override |
Volatility | localVolImpl (Time, Real) const override |
local vol calculation More... | |
Additional Inherited Members | |
Public Types inherited from Observer | |
typedef set_type::iterator | iterator |
Calculations | |
These methods must be implemented in derived classes to perform the actual volatility calculations. When they are called, range check has already been performed; therefore, they must assume that extrapolation is required. | |
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_ |
Local volatility surface derived from a Black vol surface.
For details about this implementation refer to "Stochastic Volatility and Local Volatility," in "Case Studies and Financial Modelling Course Notes," by Jim Gatheral, Fall Term, 2003
see www.math.nyu.edu/fellows_fin_math/gatheral/Lecture1_Fall02.pdf
Definition at line 45 of file localvolsurface.hpp.
LocalVolSurface | ( | const Handle< BlackVolTermStructure > & | blackTS, |
Handle< YieldTermStructure > | riskFreeTS, | ||
Handle< YieldTermStructure > | dividendTS, | ||
Handle< Quote > | underlying | ||
) |
LocalVolSurface | ( | const Handle< BlackVolTermStructure > & | blackTS, |
Handle< YieldTermStructure > | riskFreeTS, | ||
Handle< YieldTermStructure > | dividendTS, | ||
Real | underlying | ||
) |
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overridevirtual |
the date at which discount = 1.0 and/or variance = 0.0
Reimplemented from TermStructure.
Definition at line 29 of file localvolsurface.cpp.
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overridevirtual |
the day counter used for date/time conversion
Reimplemented from TermStructure.
Definition at line 33 of file localvolsurface.cpp.
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overridevirtual |
the latest date for which the curve can return values
Implements TermStructure.
Definition at line 37 of file localvolsurface.cpp.
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overridevirtual |
the minimum strike for which the term structure can return vols
Implements VolatilityTermStructure.
Definition at line 41 of file localvolsurface.cpp.
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overridevirtual |
the maximum strike for which the term structure can return vols
Implements VolatilityTermStructure.
Definition at line 45 of file localvolsurface.cpp.
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overridevirtual |
Reimplemented from LocalVolTermStructure.
Definition at line 74 of file localvolsurface.cpp.
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overrideprotectedvirtual |
local vol calculation
Implements LocalVolTermStructure.
Reimplemented in NoExceptLocalVolSurface.
Definition at line 82 of file localvolsurface.cpp.
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private |
Definition at line 74 of file localvolsurface.hpp.
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private |
Definition at line 75 of file localvolsurface.hpp.
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private |
Definition at line 75 of file localvolsurface.hpp.
Definition at line 76 of file localvolsurface.hpp.