BlackVolTermStructure Class Reference
Black-volatility term structure. More...
#include <ql/termstructures/volatility/equityfx/blackvoltermstructure.hpp>
Inheritance diagram for BlackVolTermStructure:

Public Member Functions | |
Constructors | |
BlackVolTermStructure (const Calendar &cal=Calendar(), BusinessDayConvention bdc=Following, const DayCounter &dc=DayCounter()) | |
default constructor | |
BlackVolTermStructure (const Date &referenceDate, const Calendar &cal=Calendar(), BusinessDayConvention bdc=Following, const DayCounter &dc=DayCounter()) | |
initialize with a fixed reference date | |
BlackVolTermStructure (Natural settlementDays, const Calendar &, BusinessDayConvention bdc=Following, const DayCounter &dc=DayCounter()) | |
calculate the reference date based on the global evaluation date | |
Black Volatility | |
Volatility | blackVol (const Date &maturity, Real strike, bool extrapolate=false) const |
spot volatility | |
Volatility | blackVol (Time maturity, Real strike, bool extrapolate=false) const |
spot volatility | |
Real | blackVariance (const Date &maturity, Real strike, bool extrapolate=false) const |
spot variance | |
Real | blackVariance (Time maturity, Real strike, bool extrapolate=false) const |
spot variance | |
Volatility | blackForwardVol (const Date &date1, const Date &date2, Real strike, bool extrapolate=false) const |
forward (at-the-money) volatility | |
Volatility | blackForwardVol (Time time1, Time time2, Real strike, bool extrapolate=false) const |
forward (at-the-money) volatility | |
Real | blackForwardVariance (const Date &date1, const Date &date2, Real strike, bool extrapolate=false) const |
forward (at-the-money) variance | |
Real | blackForwardVariance (Time time1, Time time2, Real strike, bool extrapolate=false) const |
forward (at-the-money) variance | |
Visitability | |
virtual void | accept (AcyclicVisitor &) |
Protected Member Functions | |
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. | |
virtual Real | blackVarianceImpl (Time t, Real strike) const =0 |
Black variance calculation. | |
virtual Volatility | blackVolImpl (Time t, Real strike) const =0 |
Black volatility calculation. |
Detailed Description
Black-volatility term structure.This abstract class defines the interface of concrete Black-volatility term structures which will be derived from this one.
Volatilities are assumed to be expressed on an annual basis.
Constructor & Destructor Documentation
BlackVolTermStructure | ( | const Calendar & | cal = Calendar() , |
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BusinessDayConvention | bdc = Following , |
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const DayCounter & | dc = DayCounter() | |||
) |
default constructor
- Warning:
- term structures initialized by means of this constructor must manage their own reference date by overriding the referenceDate() method.