示例#1
0
        public void Task_2_8_5()
        {
            // Variance Process Values
            double Kappa = 2;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double Maturity = 9;

            // MC Simulation Params
            int NumberOfTrials    = (int)1e5;
            int NumberOfTimeSteps = (int)Math.Ceiling(365 * Maturity);

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            MonteCarloSettings monteCarloSettings =
                new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);

            LookbackOptionMC lookbackOptionMC =
                new LookbackOptionMC(hestonModel, monteCarloSettings, Maturity);

            Assert.AreEqual(13.6299, lookbackOptionMC.Price(1), 1e-1);
        }
示例#2
0
 public static void HestonModelParamPrint(VarianceProcessParameters parameters,
                                          HestonModelParameters model)
 {
     System.Console.WriteLine("k={0}, Theta={1}, Sigma={2}, V0={3}, Rho={4}, r={5}",
                              parameters.Kappa, parameters.Theta, parameters.Sigma, parameters.V0,
                              parameters.Rho, model.RiskFreeRate);
 }
示例#3
0
        public void Task_2_2_3()
        {
            // Variance Process Values
            double Kappa = 1.5768;
            double Theta = 0.0398;
            double Sigma = 0.5751;
            double V0    = 0.0175;
            double Rho   = -0.5711;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.025;

            // Option Params
            double     StrikePrice = 100;
            PayoffType Type        = PayoffType.Call;
            double     Maturity    = 3;

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            EuropeanOption euOption =
                new EuropeanOption(StrikePrice, Type, Maturity);

            EuropeanOptionFormula euFormula =
                new EuropeanOptionFormula(hestonModel, euOption);

            Assert.AreEqual(15.4793, euFormula.Price(), 1e-4);
        }
示例#4
0
        /// <summary>
        /// Gets the calibrated model.
        /// </summary>
        /// <returns>The calibrated model.</returns>
        public HestonModelParameters GetCalibratedModel()
        {
            VarianceProcessParameters varianceParams = new VarianceProcessParameters
                                                           (calibratedParams[0], calibratedParams[1], calibratedParams[2], calibratedParams[3], calibratedParams[4]);
            HestonModelParameters m = new HestonModelParameters(_InitialStockPrice, _RiskFreeRate, varianceParams);

            return(m);
        }
示例#5
0
        /// <summary>
        /// Calibrations the objective function.
        /// </summary>
        /// <param name="paramsArray">Parameters array.</param>
        /// <param name="func">Objective Funtion.</param>
        /// <param name="obj">Object.</param>
        public void CalibrationObjectiveFunction(double[] paramsArray, ref double func, object obj)
        {
            VarianceProcessParameters varianceParams = new VarianceProcessParameters
                                                           (paramsArray[0], paramsArray[1], paramsArray[2], paramsArray[3], paramsArray[4]);
            HestonModelParameters m = new HestonModelParameters(_InitialStockPrice, _RiskFreeRate, varianceParams);

            func = CalcMeanSquareErrorBetweenModelAndMarket(m);
        }
示例#6
0
 public static void HestonModelParamPrint(VarianceProcessParameters parameters,
                                          HestonModelParameters model,
                                          MonteCarloSettings monteCarloSettings)
 {
     System.Console.WriteLine("k={0}, Theta={1}, Sigma={2}, V0={3}, Rho={4}, r={5}, #Trials={6}, #Steps={7}",
                              parameters.Kappa, parameters.Theta, parameters.Sigma, parameters.V0,
                              parameters.Rho, model.RiskFreeRate, monteCarloSettings.NumberOfTrials,
                              monteCarloSettings.NumberOfTimeSteps);
 }
示例#7
0
        public static void Task2()
        {
            // Task 2
            // Variance Process Values
            Console.WriteLine("Task 2");
            double Kappa = 1.5768;
            double Theta = 0.0398;
            double Sigma = 0.5751;
            double V0    = 0.0175;
            double Rho   = -0.5711;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.025;

            // Option Params
            double     StrikePrice = 100;
            PayoffType Type        = PayoffType.Call;

            int[] Maturity = new int[5] {
                1, 2, 3, 4, 15
            };

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);


            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            // ************Task 2.1 Print****************
            System.Console.WriteLine("*********************");
            HestonModelParamPrint(varParams, hestonModel);

            //Prepare csv
            var    csv     = new StringBuilder();
            String newLine = string.Format("K, T, Price");

            csv.AppendLine(newLine);

            for (int i = 0; i < 5; i++)
            {
                EuropeanOption euOption =
                    new EuropeanOption(StrikePrice, Type, Maturity[i]);
                double price = Heston.HestonEuropeanOptionPrice(hestonModel, euOption);

                System.Console.WriteLine("K={0}, T={1}, C={2}", StrikePrice,
                                         Maturity[i], price);
                newLine = string.Format("{0}, {1}, {2}", StrikePrice, Maturity[i], price);
                csv.AppendLine(newLine);
            }
            //Write to csv
            File.WriteAllText(@"./task2.csv", csv.ToString());
            System.Console.WriteLine("*********************");
            System.Console.WriteLine("\n\n");
        }
示例#8
0
        /// <summary>
        /// Gets the calibration status.
        /// </summary>
        /// <param name="calibOutcome">Calibration outcome.</param>
        /// <param name="pricingError">Pricing error.</param>
        public void GetCalibrationStatus(ref CalibrationOutcome calibOutcome, ref double pricingError)
        {
            calibOutcome = outcome;

            VarianceProcessParameters varianceParams = new VarianceProcessParameters
                                                           (calibratedParams[0], calibratedParams[1], calibratedParams[2], calibratedParams[3], calibratedParams[4]);
            HestonModelParameters m = new HestonModelParameters(_InitialStockPrice, _RiskFreeRate, varianceParams);

            pricingError = CalcMeanSquareErrorBetweenModelAndMarket(m);
        }
示例#9
0
 /// <summary>
 /// Initializes a new instance of the <see cref="T:HestonModel.Classes.WorkerMC"/> class.
 /// </summary>
 /// <param name="NumberOfTrials">Number of trials.</param>
 /// <param name="NumberOfTimeSteps">Number of time steps.</param>
 /// <param name="payoffFunc">Payoff function.</param>
 /// <param name="VarianceParameters">Variance parameters.</param>
 /// <param name="Maturity">Maturity.</param>
 /// <param name="InitialStockPrice">Initial stock price.</param>
 /// <param name="RiskFreeRate">Risk free rate.</param>
 public WorkerMC(int NumberOfTrials, int NumberOfTimeSteps, Func <double[], double> payoffFunc,
                 VarianceProcessParameters VarianceParameters, double Maturity, double InitialStockPrice,
                 double RiskFreeRate)
 {
     // Init MC settings
     _NumberOfTrials    = NumberOfTrials;
     _NumberOfTimeSteps = NumberOfTimeSteps;
     // Init sum
     sum = 0;
     // Init Payoff function
     _payoffFunc = payoffFunc;
     // Init Variance Params
     _VarianceParameters = VarianceParameters;
     // Init Option Params
     _Maturity          = Maturity;
     _InitialStockPrice = InitialStockPrice;
     _RiskFreeRate      = RiskFreeRate;
 }
示例#10
0
        public void Task_2_7_1()
        {
            // Variance Process Values
            double Kappa = 2;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double        StrikePrice     = 100;
            PayoffType    Type            = PayoffType.Call;
            double        Maturity        = 1;
            List <double> MonitoringTimes = new List <double>
            {
                0.75,
                1.00
            };

            // MC Simulation Params
            int NumberOfTrials    = (int)1e5;
            int NumberOfTimeSteps = (int)Math.Ceiling(365 * Maturity);

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            AsianOption asianOption =
                new AsianOption(StrikePrice, Type, Maturity, MonitoringTimes);

            MonteCarloSettings monteCarloSettings =
                new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);

            AsianOptionMC asianOptionMC =
                new AsianOptionMC(hestonModel, monteCarloSettings, asianOption);

            Assert.AreEqual(13.6299, asianOptionMC.Price(1), 1e-1);
        }
示例#11
0
        public void Task_2_3_3()
        {
            // Variance Process Values
            double Kappa = 2;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double     StrikePrice = 100;
            PayoffType Type        = PayoffType.Call;
            double     Maturity    = 3;

            // MC Simulation Params
            int NumberOfTrials    = (int)1e5;
            int NumberOfTimeSteps = (int)Math.Ceiling(365 * Maturity);

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            EuropeanOption euOption =
                new EuropeanOption(StrikePrice, Type, Maturity);

            MonteCarloSettings monteCarloSettings =
                new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);

            EuropeanOptionMC euOptionMC = new EuropeanOptionMC(hestonModel,
                                                               monteCarloSettings, euOption);

            Assert.AreEqual(29.9957, euOptionMC.Price(1), 1e-1);
        }
示例#12
0
        public static void Task8()
        {
            // Variance Process Values
            Console.WriteLine("Task 8");
            // Variance Process Values
            double Kappa = 2.0;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double[] Maturity = new double[5] {
                1, 3, 5, 7, 9
            };

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            // ************Task 7 Print****************
            System.Console.WriteLine("*********************");
            HestonModelParamPrint(varParams, hestonModel);

            //Prepare csv
            var    csv     = new StringBuilder();
            String newLine = string.Format("T, Price");

            csv.AppendLine(newLine);

            for (int i = 0; i < 5; i++)
            {
                // MC Simulation Params
                int NumberOfTrials    = (int)1e5;
                int NumberOfTimeSteps = (int)Math.Ceiling(365 * Maturity[i]);

                MonteCarloSettings monteCarloSettings =
                    new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);

                Option maturity = new Option(Maturity[i]);
                double price    = Heston.HestonLookbackOptionPriceMC(hestonModel, maturity, monteCarloSettings);

                System.Console.WriteLine("T={0}, C_MC={1}",
                                         Maturity[i], price);

                newLine = string.Format("{0}, {1}", Maturity[i], price);
                csv.AppendLine(newLine);
            }

            //Write to csv
            File.WriteAllText(@"./task8.csv", csv.ToString());

            System.Console.WriteLine("*********************");
            System.Console.WriteLine("\n\n");
        }
示例#13
0
        public static void Task3()
        {
            // Variance Process Values
            Console.WriteLine("Task 3");
            // Variance Process Values
            double Kappa = 2.0;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double     StrikePrice = 100;
            PayoffType Type        = PayoffType.Call;

            double[] Maturity = new double[5] {
                1, 2, 3, 4, 15
            };

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            // ************Task 3 Print****************
            System.Console.WriteLine("*********************");
            HestonModelParamPrint(varParams, hestonModel);

            //Prepare csv
            var    csv     = new StringBuilder();
            String newLine = string.Format("K, T, Price, refPrice");

            csv.AppendLine(newLine);

            for (int i = 0; i < 5; i++)
            {
                // MC Simulation Params
                int NumberOfTrials    = (int)1e5;
                int NumberOfTimeSteps = (int)Math.Ceiling(365 * Maturity[i]);

                EuropeanOption euOption =
                    new EuropeanOption(StrikePrice, Type, Maturity[i]);

                MonteCarloSettings monteCarloSettings =
                    new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);
                double priceForm = Heston.HestonEuropeanOptionPrice(hestonModel, euOption);

                double price = Heston.HestonEuropeanOptionPriceMC(hestonModel, euOption, monteCarloSettings);
                System.Console.WriteLine("K={0}, T={1}, C_MC={2}, C_form={3}", StrikePrice,
                                         Maturity[i], price, priceForm);

                newLine = string.Format("{0}, {1}, {2}, {3}", StrikePrice, Maturity[i], price, priceForm);
                csv.AppendLine(newLine);
            }

            //Write to csv
            File.WriteAllText(@"./task3.csv", csv.ToString());

            System.Console.WriteLine("*********************");
            System.Console.WriteLine("\n\n");
        }
示例#14
0
        public void Task_2_5()
        {
            // Variance Process Values
            double Kappa = 1.5768;
            double Theta = 0.398;
            double Sigma = 0.5751;
            double V0    = 0.0175;
            double Rho   = -0.5711;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.025;

            // Callibration Settings
            double accuracy = 0.001;
            int    maxIter  = 1000;

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            CalibrationSettings calibrationSettings = new CalibrationSettings(accuracy, maxIter);

            // Market Data
            LinkedList <OptionMarketData <EuropeanOption> > observedOptions =
                new LinkedList <OptionMarketData <EuropeanOption> >();

            EuropeanOption eu1 = new EuropeanOption(80, PayoffType.Call, 1);
            OptionMarketData <EuropeanOption> marketData1 =
                new OptionMarketData <EuropeanOption>(eu1, 25.72);

            observedOptions.AddLast(marketData1);

            EuropeanOption eu2 = new EuropeanOption(90, PayoffType.Call, 1);
            OptionMarketData <EuropeanOption> marketData2 =
                new OptionMarketData <EuropeanOption>(eu2, 18.93);

            observedOptions.AddLast(marketData2);

            EuropeanOption eu3 = new EuropeanOption(80, PayoffType.Call, 2);
            OptionMarketData <EuropeanOption> marketData3 =
                new OptionMarketData <EuropeanOption>(eu3, 30.49);

            observedOptions.AddLast(marketData3);

            EuropeanOption eu4 = new EuropeanOption(100, PayoffType.Call, 2);
            OptionMarketData <EuropeanOption> marketData4 =
                new OptionMarketData <EuropeanOption>(eu4, 19.36);

            observedOptions.AddLast(marketData4);

            EuropeanOption eu5 = new EuropeanOption(100, PayoffType.Call, 1.5);
            OptionMarketData <EuropeanOption> marketData5 =
                new OptionMarketData <EuropeanOption>(eu5, 16.58);

            observedOptions.AddLast(marketData5);

            // Heston Calibrator
            HestonCalibrator calibrator = new HestonCalibrator(hestonModel, observedOptions, calibrationSettings);

            calibrator.Calibrate();

            double             error   = 0;
            CalibrationOutcome outcome = CalibrationOutcome.NotStarted;

            calibrator.GetCalibrationStatus(ref outcome, ref error);
            Console.WriteLine("Calibration outcome: {0} and error: {1}", outcome, error);
        }
示例#15
0
        public static void Task4()
        {
            // Variance Process Values
            Console.WriteLine("Task 4");
            // Variance Process Values
            double Kappa = 2.0;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double     StrikePrice = 100;
            PayoffType Type        = PayoffType.Call;
            double     Maturity    = 1;

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            // ************Task 4 Print****************
            System.Console.WriteLine("*********************");
            HestonModelParamPrint(varParams, hestonModel);

            EuropeanOption euOption =
                new EuropeanOption(StrikePrice, Type, Maturity);

            double priceForm = Heston.HestonEuropeanOptionPrice(hestonModel, euOption);

            System.Console.WriteLine("K={0}, T={1}, refPrice={2}", StrikePrice,
                                     Maturity, priceForm);

            //Prepare csv
            var    csv     = new StringBuilder();
            String newLine = string.Format("Trials, Time Steps, relError");

            csv.AppendLine(newLine);

            for (int i = 3; i < 5; i++)
            {
                // MC Simulation Params
                int      NumberOfTrials = (int)Math.Pow(10, i);
                double[] factor         = new double[3] {
                    0.5, 1, 2
                };
                for (int j = 0; j < 3; j++)
                {
                    int NumberOfTimeSteps = (int)Math.Ceiling(factor[j] * 365 * Maturity);
                    MonteCarloSettings monteCarloSettings =
                        new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);

                    double price = Heston.HestonEuropeanOptionPriceMC(hestonModel, euOption, monteCarloSettings);
                    System.Console.WriteLine("K={0}, T={1}, #Trials={2}, #TimeSteps={3}, rel_error={4}", StrikePrice,
                                             Maturity, NumberOfTrials, NumberOfTimeSteps, Math.Abs(priceForm - price) / priceForm);
                    newLine = string.Format("{0}, {1}, {2}", NumberOfTrials, NumberOfTimeSteps, Math.Abs(priceForm - price) / priceForm);
                    csv.AppendLine(newLine);
                }
            }

            //Write to csv
            File.WriteAllText(@"./task4.csv", csv.ToString());

            System.Console.WriteLine("*********************");
            System.Console.WriteLine("\n\n");
        }
示例#16
0
        public static void TaskThreadScaling()
        {
            // Variance Process Values
            Console.WriteLine("Task Thread Scaling");
            // Variance Process Values
            double Kappa = 2.0;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double     StrikePrice = 100;
            PayoffType Type        = PayoffType.Call;
            double     Maturity    = 3;

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            // ************Task 3 Print****************
            System.Console.WriteLine("*********************");
            HestonModelParamPrint(varParams, hestonModel);

            //Prepare csv
            var    csv     = new StringBuilder();
            String newLine = string.Format("Number of Trials, cores, time");

            csv.AppendLine(newLine);
            int[] cores = new int[5] {
                1, 2, 4, 8, 16
            };
            for (int i = 0; i < 5; i++)
            {
                // MC Simulation Params
                int NumberOfTrials    = (int)1e6;
                int NumberOfTimeSteps = (int)Math.Ceiling(365 * Maturity);

                EuropeanOption euOption =
                    new EuropeanOption(StrikePrice, Type, Maturity);

                MonteCarloSettings monteCarloSettings =
                    new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);
                double priceForm = Heston.HestonEuropeanOptionPrice(hestonModel, euOption);

                // Create Monte Carlo EU option object
                EuropeanOptionMC euOptionMC = new EuropeanOptionMC(hestonModel, monteCarloSettings, euOption);

                var stopwatch = new Stopwatch();
                stopwatch.Start();
                double price = euOptionMC.Price(cores[i]);
                stopwatch.Stop();
                long elapsed_time = stopwatch.ElapsedMilliseconds;

                System.Console.WriteLine("K={0}, T={1}, cores={2}, C_MC={3}, C_form={4}, time={5}",
                                         StrikePrice, Maturity, cores[i], price, priceForm, elapsed_time);

                newLine = string.Format("{0}, {1}, {2}", NumberOfTrials, cores[i], elapsed_time);
                csv.AppendLine(newLine);
            }

            //Write to csv
            File.WriteAllText(@"./taskThreadScaling.csv", csv.ToString());

            System.Console.WriteLine("*********************");
            System.Console.WriteLine("\n\n");
        }
示例#17
0
        public static void Task7()
        {
            // Variance Process Values
            Console.WriteLine("Task 7");
            // Variance Process Values
            double Kappa = 2.0;
            double Theta = 0.06;
            double Sigma = 0.4;
            double V0    = 0.04;
            double Rho   = 0.5;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.1;

            // Option Params
            double     StrikePrice = 100;
            PayoffType Type        = PayoffType.Call;

            double[] Maturity = new double[3] {
                1, 2, 3
            };

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            // ************Task 7 Print****************
            System.Console.WriteLine("*********************");
            HestonModelParamPrint(varParams, hestonModel);

            // Monitoring Times
            List <double> monTimes1 = new List <double>
            {
                0.75,
                1.00
            };
            List <double> monTimes2 = new List <double>
            {
                0.25, 0.5, 0.75, 1.00, 1.25, 1.5, 1.75
            };
            List <double> monTimes3 = new List <double>
            {
                1.00, 2.00, 3.00
            };
            List <List <double> > MonitoringTimes = new List <List <double> >
            {
                monTimes1, monTimes2, monTimes3
            };

            //Prepare csv
            var    csv     = new StringBuilder();
            String newLine = string.Format("K, T, Price");

            csv.AppendLine(newLine);

            for (int i = 0; i < 3; i++)
            {
                // MC Simulation Params
                int NumberOfTrials    = (int)1e5;
                int NumberOfTimeSteps = (int)Math.Ceiling(365 * Maturity[i]);

                AsianOption asianOption =
                    new AsianOption(StrikePrice, Type, Maturity[i], MonitoringTimes[i]);

                MonteCarloSettings monteCarloSettings =
                    new MonteCarloSettings(NumberOfTrials, NumberOfTimeSteps);

                double price = Heston.HestonAsianOptionPriceMC(hestonModel,
                                                               asianOption, monteCarloSettings);

                System.Console.WriteLine("K={0}, T={1}, C_MC={2}", StrikePrice,
                                         Maturity[i], price);

                newLine = string.Format("{0}, {1}, {2}", StrikePrice, Maturity[i], price);
                csv.AppendLine(newLine);
            }

            //Write to csv
            File.WriteAllText(@"./task7.csv", csv.ToString());

            System.Console.WriteLine("*********************");
            System.Console.WriteLine("\n\n");
        }
示例#18
0
        public static void Task6()
        {
            Console.WriteLine("********Task 6*********");
            // Variance Process Values
            double Kappa = 1.5768;
            double Theta = 0.398;
            double Sigma = 0.5751;
            double V0    = 0.0175;
            double Rho   = -0.5711;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.025;

            // Callibration Settings
            double accuracy = 1.0e-3;
            int    maxIter  = 1000;

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            HestonModelParameters guess =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate,
                                          new VarianceProcessParameters(1.55, 0.88, 1.5999, 0.4, -0.55));

            CalibrationSettings calibrationSettings = new CalibrationSettings(accuracy, maxIter);

            // Market Data
            LinkedList <IOptionMarketData <IEuropeanOption> > observedOptions =
                new LinkedList <IOptionMarketData <IEuropeanOption> >();

            EuropeanOption        eu1     = new EuropeanOption(80, PayoffType.Call, 1);
            EuropeanOptionFormula eu1Form = new EuropeanOptionFormula(hestonModel, eu1);
            OptionMarketData <IEuropeanOption> marketData1 =
                new OptionMarketData <IEuropeanOption>(eu1, eu1Form.Price());

            observedOptions.AddLast(marketData1);

            EuropeanOption        eu2     = new EuropeanOption(90, PayoffType.Call, 1);
            EuropeanOptionFormula eu2Form = new EuropeanOptionFormula(hestonModel, eu2);
            OptionMarketData <IEuropeanOption> marketData2 =
                new OptionMarketData <IEuropeanOption>(eu2, eu2Form.Price());

            observedOptions.AddLast(marketData2);

            EuropeanOption        eu3     = new EuropeanOption(80, PayoffType.Call, 2);
            EuropeanOptionFormula eu3Form = new EuropeanOptionFormula(hestonModel, eu3);
            OptionMarketData <IEuropeanOption> marketData3 =
                new OptionMarketData <IEuropeanOption>(eu3, eu3Form.Price());

            observedOptions.AddLast(marketData3);

            EuropeanOption        eu4     = new EuropeanOption(100, PayoffType.Call, 2);
            EuropeanOptionFormula eu4Form = new EuropeanOptionFormula(hestonModel, eu4);
            OptionMarketData <IEuropeanOption> marketData4 =
                new OptionMarketData <IEuropeanOption>(eu4, eu4Form.Price());

            observedOptions.AddLast(marketData4);

            EuropeanOption        eu5     = new EuropeanOption(100, PayoffType.Call, 1.5);
            EuropeanOptionFormula eu5Form = new EuropeanOptionFormula(hestonModel, eu5);
            OptionMarketData <IEuropeanOption> marketData5 =
                new OptionMarketData <IEuropeanOption>(eu5, eu5Form.Price());

            observedOptions.AddLast(marketData5);

            HestonCalibrationResult result;

            result = (HestonCalibrationResult)
                     Heston.CalibrateHestonParameters(guess, observedOptions, calibrationSettings);

            Console.WriteLine("Calibration outcome: {0} and error: {1}", result.MinimizerStatus, result.PricingError);
        }
示例#19
0
        public static void Task5()
        {
            // Variance Process Values
            double Kappa = 1.5768;
            double Theta = 0.398;
            double Sigma = 0.5751;
            double V0    = 1.0175;
            double Rho   = -0.5711;

            // Heston Model Params
            double InitialStockPrice = 100;
            double RiskFreeRate      = 0.025;

            // Callibration Settings
            double accuracy = 0.001;
            int    maxIter  = 1000;

            VarianceProcessParameters varParams =
                new VarianceProcessParameters(Kappa, Theta, Sigma, V0, Rho);

            HestonModelParameters hestonModel =
                new HestonModelParameters(InitialStockPrice, RiskFreeRate, varParams);

            CalibrationSettings calibrationSettings = new CalibrationSettings(accuracy, maxIter);

            // Market Data
            LinkedList <IOptionMarketData <IEuropeanOption> > observedOptions =
                new LinkedList <IOptionMarketData <IEuropeanOption> >();

            EuropeanOption eu1 = new EuropeanOption(80, PayoffType.Call, 1);
            OptionMarketData <IEuropeanOption> marketData1 =
                new OptionMarketData <IEuropeanOption>(eu1, 25.72);

            observedOptions.AddLast(marketData1);

            EuropeanOption eu2 = new EuropeanOption(90, PayoffType.Call, 1);
            OptionMarketData <IEuropeanOption> marketData2 =
                new OptionMarketData <IEuropeanOption>(eu2, 18.93);

            observedOptions.AddLast(marketData2);

            EuropeanOption eu3 = new EuropeanOption(80, PayoffType.Call, 2);
            OptionMarketData <IEuropeanOption> marketData3 =
                new OptionMarketData <IEuropeanOption>(eu3, 30.49);

            observedOptions.AddLast(marketData3);

            EuropeanOption eu4 = new EuropeanOption(100, PayoffType.Call, 2);
            OptionMarketData <IEuropeanOption> marketData4 =
                new OptionMarketData <IEuropeanOption>(eu4, 19.36);

            observedOptions.AddLast(marketData4);

            EuropeanOption eu5 = new EuropeanOption(100, PayoffType.Call, 1.5);
            OptionMarketData <IEuropeanOption> marketData5 =
                new OptionMarketData <IEuropeanOption>(eu5, 16.58);

            observedOptions.AddLast(marketData5);

            HestonCalibrationResult result;

            result = (HestonCalibrationResult)
                     Heston.CalibrateHestonParameters(hestonModel, observedOptions, calibrationSettings);

            Console.WriteLine("Calibration outcome: {0} and error: {1}", result.MinimizerStatus, result.PricingError);
        }