QuantLib
A free/open-source library for quantitative finance
Reference manual - version 1.5
Public Types | Public Member Functions | Protected Attributes | List of all members
LongstaffSchwartzPathPricer< PathType > Class Template Reference

Longstaff-Schwarz path pricer for early exercise options. More...

#include <ql/methods/montecarlo/longstaffschwartzpathpricer.hpp>

+ Inheritance diagram for LongstaffSchwartzPathPricer< PathType >:

Public Types

typedef EarlyExerciseTraits
< PathType >::StateType 
StateType
 

Public Member Functions

 LongstaffSchwartzPathPricer (const TimeGrid &times, const boost::shared_ptr< EarlyExercisePathPricer< PathType > > &, const boost::shared_ptr< YieldTermStructure > &termStructure)
 
Real operator() (const PathType &path) const
 
virtual void calibrate ()
 

Protected Attributes

bool calibrationPhase_
 
const boost::shared_ptr
< EarlyExercisePathPricer
< PathType > > 
pathPricer_
 
boost::scoped_array< Arraycoeff_
 
boost::scoped_array
< DiscountFactor
dF_
 
std::vector< PathType > paths_
 
const std::vector
< boost::function1< Real,
StateType > > 
v_
 

Detailed Description

template<class PathType>
class QuantLib::LongstaffSchwartzPathPricer< PathType >

Longstaff-Schwarz path pricer for early exercise options.

References:

Francis Longstaff, Eduardo Schwartz, 2001. Valuing American Options by Simulation: A Simple Least-Squares Approach, The Review of Financial Studies, Volume 14, No. 1, 113-147

Tests:
the correctness of the returned value is tested by reproducing results available in web/literature