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Reference manual - version qle_version
Public Member Functions | List of all members
PoolLossModel< CopulaPolicy > Class Template Reference

#include <qle/models/poollossmodel.hpp>

+ Inheritance diagram for PoolLossModel< CopulaPolicy >:

Public Member Functions

 PoolLossModel (bool homogeneous, const boost::shared_ptr< ExtendedConstantLossLatentModel< CopulaPolicy >> &copula, QuantLib::Size nBuckets, QuantLib::Real max=5.0, QuantLib::Real min=-5.0, QuantLib::Size nSteps=50, bool useQuadrature=false, bool useStochasticRecovery=false)
 
QuantLib::Real expectedTrancheLoss (const QuantLib::Date &d, Real recoveryRate=Null< Real >()) const override
 
QuantLib::Real percentile (const QuantLib::Date &d, QuantLib::Real percentile) const override
 
QuantLib::Real expectedShortfall (const QuantLib::Date &d, QuantLib::Probability percentile) const override
 
QuantLib::Real correlation () const override
 
std::vector< std::vector< Real > > marginalProbabilitiesVV (Date d, Real recoveryRate=Null< Real >()) const
 

Additional Inherited Members

- Protected Member Functions inherited from DefaultLossModel
virtual Real expectedTrancheLoss (const Date &d, Real recoveryRate=Null< Real >()) const
 
virtual Probability probOverLoss (const Date &d, Real lossFraction) const
 
virtual Real percentile (const Date &d, Real percentile) const
 Value at Risk given a default loss percentile.
 
virtual Real expectedShortfall (const Date &d, Real percentile) const
 Expected shortfall given a default loss percentile.
 
virtual std::vector< Real > splitVaRLevel (const Date &d, Real loss) const
 Associated VaR fraction to each counterparty.
 
virtual std::vector< Real > splitESFLevel (const Date &d, Real loss) const
 Associated ESF fraction to each counterparty.
 
virtual std::map< Real, Probability > lossDistribution (const Date &) const
 Full loss distribution.
 
virtual Real densityTrancheLoss (const Date &d, Real lossFraction) const
 Probability density of a given loss fraction of the basket notional.
 
virtual std::vector< Probability > probsBeingNthEvent (Size n, const Date &d) const
 
virtual Real defaultCorrelation (const Date &d, Size iName, Size jName) const
 Pearsons' default probability correlation.
 
virtual Probability probAtLeastNEvents (Size n, const Date &d) const
 
virtual Real expectedRecovery (const Date &, Size iName, const DefaultProbKey &) const
 
- Protected Attributes inherited from DefaultLossModel
RelinkableHandle< QuantExt::Basketbasket_
 

Detailed Description

template<class CopulaPolicy>
class QuantExt::PoolLossModel< CopulaPolicy >

Default loss distribution convolution for finite homogeneous or non-homogeneous pool

Member Function Documentation

◆ correlation()

QuantLib::Real correlation
overridevirtual

Return single correlation number for one factor models. If not implemented or not applicable, returns a Null<Real>().

Reimplemented from DefaultLossModel.