QuantLib: a free/open-source library for quantitative finance
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hestonslvmcmodel.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2015 Johannes Göttker-Schnetmann
5 Copyright (C) 2015 Klaus Spanderen
6
7 This file is part of QuantLib, a free-software/open-source library
8 for financial quantitative analysts and developers - http://quantlib.org/
9
10 QuantLib is free software: you can redistribute it and/or modify it
11 under the terms of the QuantLib license. You should have received a
12 copy of the license along with this program; if not, please email
13 <quantlib-dev@lists.sf.net>. The license is also available online at
14 <http://quantlib.org/license.shtml>.
15
16 This program is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 FOR A PARTICULAR PURPOSE. See the license for more details.
19*/
20
21/*! \file hestonslvmcmodel.hpp
22 \brief Calibration of a Heston stochastic local volatility model based on MC
23*/
24
25#ifndef quantlib_heston_slv_mc_model_hpp
26#define quantlib_heston_slv_mc_model_hpp
27
28#include <ql/handle.hpp>
29#include <ql/timegrid.hpp>
34
35namespace QuantLib {
36 /*! References:
37
38 Anthonie W. van der Stoep,Lech A. Grzelak, Cornelis W. Oosterlee, 2013,
39 The Heston Stochastic-Local Volatility Model: Efficient Monte Carlo Simulation
40 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2278122
41 */
42
44 public:
46 Handle<HestonModel> hestonModel,
47 ext::shared_ptr<BrownianGeneratorFactory> brownianGeneratorFactory,
48 const Date& endDate,
49 Size timeStepsPerYear = 365,
50 Size nBins = 201,
51 Size calibrationPaths = (1 << 15),
52 const std::vector<Date>& mandatoryDates = std::vector<Date>(),
53 Real mixingFactor = 1.0);
54
55 ext::shared_ptr<HestonProcess> hestonProcess() const;
56 ext::shared_ptr<LocalVolTermStructure> localVol() const;
57 ext::shared_ptr<LocalVolTermStructure> leverageFunction() const;
58
59 protected:
60 void performCalculations() const override;
61
62 private:
65 const ext::shared_ptr<BrownianGeneratorFactory> brownianGeneratorFactory_;
69 ext::shared_ptr<TimeGrid> timeGrid_;
70
71 mutable ext::shared_ptr<FixedLocalVolSurface> leverageFunction_;
72 };
73}
74
75#endif
Concrete date class.
Definition: date.hpp:125
Shared handle to an observable.
Definition: handle.hpp:41
ext::shared_ptr< LocalVolTermStructure > leverageFunction() const
ext::shared_ptr< TimeGrid > timeGrid_
void performCalculations() const override
const ext::shared_ptr< BrownianGeneratorFactory > brownianGeneratorFactory_
const Handle< LocalVolTermStructure > localVol_
const Handle< HestonModel > hestonModel_
ext::shared_ptr< HestonProcess > hestonProcess() const
ext::shared_ptr< FixedLocalVolSurface > leverageFunction_
ext::shared_ptr< LocalVolTermStructure > localVol() const
Framework for calculation on demand and result caching.
Definition: lazyobject.hpp:35
Local volatility surface based on fixed values plus interpolation.
QL_REAL Real
real number
Definition: types.hpp:50
std::size_t Size
size of a container
Definition: types.hpp:58
Globally accessible relinkable pointer.
Heston model for the stochastic volatility of an asset.
framework for calculation on demand and result caching
Definition: any.hpp:35
discrete time grid