static void Main(string[] args) { DateTime startTime = DateTime.Now; Date todaysDate = new Date(15, Month.February, 2002); Calendar calendar = new TARGET(); Date settlementDate = new Date(19, Month.February, 2002); Settings.instance().setEvaluationDate(todaysDate); // flat yield term structure impling 1x5 swap at 5% Quote flatRate = new SimpleQuote(0.04875825); FlatForward myTermStructure = new FlatForward( settlementDate, new QuoteHandle(flatRate), new Actual365Fixed()); RelinkableYieldTermStructureHandle rhTermStructure = new RelinkableYieldTermStructureHandle(); rhTermStructure.linkTo(myTermStructure); // Define the ATM/OTM/ITM swaps Period fixedLegTenor = new Period(1, TimeUnit.Years); BusinessDayConvention fixedLegConvention = BusinessDayConvention.Unadjusted; BusinessDayConvention floatingLegConvention = BusinessDayConvention.ModifiedFollowing; DayCounter fixedLegDayCounter = new Thirty360(Thirty360.Convention.European); Period floatingLegTenor = new Period(6, TimeUnit.Months); double dummyFixedRate = 0.03; IborIndex indexSixMonths = new Euribor6M(rhTermStructure); Date startDate = calendar.advance(settlementDate, 1, TimeUnit.Years, floatingLegConvention); Date maturity = calendar.advance(startDate, 5, TimeUnit.Years, floatingLegConvention); Schedule fixedSchedule = new Schedule(startDate, maturity, fixedLegTenor, calendar, fixedLegConvention, fixedLegConvention, DateGeneration.Rule.Forward, false); Schedule floatSchedule = new Schedule(startDate, maturity, floatingLegTenor, calendar, floatingLegConvention, floatingLegConvention, DateGeneration.Rule.Forward, false); VanillaSwap swap = new VanillaSwap( VanillaSwap.Type.Payer, 1000.0, fixedSchedule, dummyFixedRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter()); DiscountingSwapEngine swapEngine = new DiscountingSwapEngine(rhTermStructure); swap.setPricingEngine(swapEngine); double fixedATMRate = swap.fairRate(); double fixedOTMRate = fixedATMRate * 1.2; double fixedITMRate = fixedATMRate * 0.8; VanillaSwap atmSwap = new VanillaSwap( VanillaSwap.Type.Payer, 1000.0, fixedSchedule, fixedATMRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter()); VanillaSwap otmSwap = new VanillaSwap( VanillaSwap.Type.Payer, 1000.0, fixedSchedule, fixedOTMRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter()); VanillaSwap itmSwap = new VanillaSwap( VanillaSwap.Type.Payer, 1000.0, fixedSchedule, fixedITMRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter()); atmSwap.setPricingEngine(swapEngine); otmSwap.setPricingEngine(swapEngine); itmSwap.setPricingEngine(swapEngine); // defining the swaptions to be used in model calibration PeriodVector swaptionMaturities = new PeriodVector(); swaptionMaturities.Add(new Period(1, TimeUnit.Years)); swaptionMaturities.Add(new Period(2, TimeUnit.Years)); swaptionMaturities.Add(new Period(3, TimeUnit.Years)); swaptionMaturities.Add(new Period(4, TimeUnit.Years)); swaptionMaturities.Add(new Period(5, TimeUnit.Years)); CalibrationHelperVector swaptions = new CalibrationHelperVector(); // List of times that have to be included in the timegrid DoubleVector times = new DoubleVector(); for (int i = 0; i < numRows; i++) { int j = numCols - i - 1; // 1x5, 2x4, 3x3, 4x2, 5x1 int k = i * numCols + j; Quote vol = new SimpleQuote(swaptionVols[k]); SwaptionHelper helper = new SwaptionHelper( swaptionMaturities[i], new Period(swapLengths[j], TimeUnit.Years), new QuoteHandle(vol), indexSixMonths, indexSixMonths.tenor(), indexSixMonths.dayCounter(), indexSixMonths.dayCounter(), rhTermStructure); swaptions.Add(helper); times.AddRange(helper.times()); } // Building time-grid TimeGrid grid = new TimeGrid(times, 30); // defining the models // G2 modelG2 = new G2(rhTermStructure)); HullWhite modelHW = new HullWhite(rhTermStructure); HullWhite modelHW2 = new HullWhite(rhTermStructure); BlackKarasinski modelBK = new BlackKarasinski(rhTermStructure); // model calibrations // Console.WriteLine( "G2 (analytic formulae) calibration" ); // for (int i=0; i<swaptions.Count; i++) // NQuantLibc.as_black_helper(swaptions[i]).setPricingEngine( // new G2SwaptionEngine( modelG2, 6.0, 16 ) ); // // calibrateModel( modelG2, swaptions, 0.05); // Console.WriteLine( "calibrated to:" ); // Console.WriteLine( "a = " + modelG2.parameters()[0] ); // Console.WriteLine( "sigma = " + modelG2.parameters()[1] ); // Console.WriteLine( "b = " + modelG2.parameters()[2] ); // Console.WriteLine( "eta = " + modelG2.parameters()[3] ); // Console.WriteLine( "rho = " + modelG2.parameters()[4] ); Console.WriteLine("Hull-White (analytic formulae) calibration"); for (int i = 0; i < swaptions.Count; i++) { NQuantLibc.as_black_helper(swaptions[i]).setPricingEngine( new JamshidianSwaptionEngine(modelHW)); } calibrateModel(modelHW, swaptions, 0.05); // Console.WriteLine( "calibrated to:" ); // Console.WriteLine( "a = " + modelHW.parameters()[0] ); // Console.WriteLine( "sigma = " + modelHW.parameters()[1] ); Console.WriteLine("Hull-White (numerical) calibration"); for (int i = 0; i < swaptions.Count; i++) { NQuantLibc.as_black_helper(swaptions[i]).setPricingEngine( new TreeSwaptionEngine(modelHW2, grid)); } calibrateModel(modelHW2, swaptions, 0.05); // std::cout << "calibrated to:\n" // << "a = " << modelHW2->params()[0] << ", " // << "sigma = " << modelHW2->params()[1] // << std::endl << std::endl; Console.WriteLine("Black-Karasinski (numerical) calibration"); for (int i = 0; i < swaptions.Count; i++) { NQuantLibc.as_black_helper(swaptions[i]).setPricingEngine( new TreeSwaptionEngine(modelBK, grid)); } calibrateModel(modelBK, swaptions, 0.05); // std::cout << "calibrated to:\n" // << "a = " << modelBK->params()[0] << ", " // << "sigma = " << modelBK->params()[1] // << std::endl << std::endl; // ATM Bermudan swaption pricing Console.WriteLine("Payer bermudan swaption struck at {0} (ATM)", fixedATMRate); DateVector bermudanDates = new DateVector(); Schedule schedule = new Schedule(startDate, maturity, new Period(3, TimeUnit.Months), calendar, BusinessDayConvention.Following, BusinessDayConvention.Following, DateGeneration.Rule.Forward, false); for (uint i = 0; i < schedule.size(); i++) { bermudanDates.Add(schedule.date(i)); } Exercise bermudaExercise = new BermudanExercise(bermudanDates); Swaption bermudanSwaption = new Swaption(atmSwap, bermudaExercise); bermudanSwaption.setPricingEngine( new TreeSwaptionEngine(modelHW, 50)); Console.WriteLine("HW: " + bermudanSwaption.NPV()); bermudanSwaption.setPricingEngine( new TreeSwaptionEngine(modelHW2, 50)); Console.WriteLine("HW (num): " + bermudanSwaption.NPV()); bermudanSwaption.setPricingEngine( new TreeSwaptionEngine(modelBK, 50)); Console.WriteLine("BK (num): " + bermudanSwaption.NPV()); DateTime endTime = DateTime.Now; TimeSpan delta = endTime - startTime; Console.WriteLine(); Console.WriteLine("Run completed in {0} s", delta.TotalSeconds); Console.WriteLine(); }
static void Main(string[] args) { DateTime startTime = DateTime.Now; Date todaysDate = new Date(15, Month.February, 2002); Calendar calendar = new TARGET(); Date settlementDate = new Date(19, Month.February, 2002); Settings.instance().setEvaluationDate( todaysDate ); // flat yield term structure impling 1x5 swap at 5% Quote flatRate = new SimpleQuote(0.04875825); FlatForward myTermStructure = new FlatForward( settlementDate, new QuoteHandle( flatRate ), new Actual365Fixed() ); RelinkableYieldTermStructureHandle rhTermStructure = new RelinkableYieldTermStructureHandle(); rhTermStructure.linkTo( myTermStructure ); // Define the ATM/OTM/ITM swaps Period fixedLegTenor = new Period(1,TimeUnit.Years); BusinessDayConvention fixedLegConvention = BusinessDayConvention.Unadjusted; BusinessDayConvention floatingLegConvention = BusinessDayConvention.ModifiedFollowing; DayCounter fixedLegDayCounter = new Thirty360( Thirty360.Convention.European ); Period floatingLegTenor = new Period(6,TimeUnit.Months); double dummyFixedRate = 0.03; IborIndex indexSixMonths = new Euribor6M( rhTermStructure ); Date startDate = calendar.advance(settlementDate,1,TimeUnit.Years, floatingLegConvention); Date maturity = calendar.advance(startDate,5,TimeUnit.Years, floatingLegConvention); Schedule fixedSchedule = new Schedule(startDate,maturity, fixedLegTenor,calendar,fixedLegConvention,fixedLegConvention, DateGeneration.Rule.Forward,false); Schedule floatSchedule = new Schedule(startDate,maturity, floatingLegTenor,calendar,floatingLegConvention, floatingLegConvention,DateGeneration.Rule.Forward,false); VanillaSwap swap = new VanillaSwap( VanillaSwap.Payer, 1000.0, fixedSchedule, dummyFixedRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter()); DiscountingSwapEngine swapEngine = new DiscountingSwapEngine(rhTermStructure); swap.setPricingEngine(swapEngine); double fixedATMRate = swap.fairRate(); double fixedOTMRate = fixedATMRate * 1.2; double fixedITMRate = fixedATMRate * 0.8; VanillaSwap atmSwap = new VanillaSwap( VanillaSwap.Payer, 1000.0, fixedSchedule, fixedATMRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter() ); VanillaSwap otmSwap = new VanillaSwap( VanillaSwap.Payer, 1000.0, fixedSchedule, fixedOTMRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter()); VanillaSwap itmSwap = new VanillaSwap( VanillaSwap.Payer, 1000.0, fixedSchedule, fixedITMRate, fixedLegDayCounter, floatSchedule, indexSixMonths, 0.0, indexSixMonths.dayCounter()); atmSwap.setPricingEngine(swapEngine); otmSwap.setPricingEngine(swapEngine); itmSwap.setPricingEngine(swapEngine); // defining the swaptions to be used in model calibration PeriodVector swaptionMaturities = new PeriodVector(); swaptionMaturities.Add( new Period(1, TimeUnit.Years) ); swaptionMaturities.Add( new Period(2, TimeUnit.Years) ); swaptionMaturities.Add( new Period(3, TimeUnit.Years) ); swaptionMaturities.Add( new Period(4, TimeUnit.Years) ); swaptionMaturities.Add( new Period(5, TimeUnit.Years) ); CalibrationHelperVector swaptions = new CalibrationHelperVector(); // List of times that have to be included in the timegrid DoubleVector times = new DoubleVector(); for ( int i=0; i<numRows; i++) { int j = numCols - i -1; // 1x5, 2x4, 3x3, 4x2, 5x1 int k = i*numCols + j; Quote vol = new SimpleQuote( swaptionVols[k] ); SwaptionHelper helper = new SwaptionHelper( swaptionMaturities[i], new Period(swapLenghts[j], TimeUnit.Years), new QuoteHandle(vol), indexSixMonths, indexSixMonths.tenor(), indexSixMonths.dayCounter(), indexSixMonths.dayCounter(), rhTermStructure ); swaptions.Add( helper ); times.AddRange( helper.times() ); } // Building time-grid TimeGrid grid = new TimeGrid( times, 30); // defining the models // G2 modelG2 = new G2(rhTermStructure)); HullWhite modelHW = new HullWhite( rhTermStructure ); HullWhite modelHW2 = new HullWhite( rhTermStructure ); BlackKarasinski modelBK = new BlackKarasinski( rhTermStructure ); // model calibrations // Console.WriteLine( "G2 (analytic formulae) calibration" ); // for (int i=0; i<swaptions.Count; i++) // swaptions[i].setPricingEngine( new G2SwaptionEngine( modelG2, 6.0, 16 ) ); // // calibrateModel( modelG2, swaptions, 0.05); // Console.WriteLine( "calibrated to:" ); // Console.WriteLine( "a = " + modelG2.parameters()[0] ); // Console.WriteLine( "sigma = " + modelG2.parameters()[1] ); // Console.WriteLine( "b = " + modelG2.parameters()[2] ); // Console.WriteLine( "eta = " + modelG2.parameters()[3] ); // Console.WriteLine( "rho = " + modelG2.parameters()[4] ); Console.WriteLine( "Hull-White (analytic formulae) calibration" ); for (int i=0; i<swaptions.Count; i++) swaptions[i].setPricingEngine( new JamshidianSwaptionEngine(modelHW)); calibrateModel( modelHW, swaptions, 0.05); // Console.WriteLine( "calibrated to:" ); // Console.WriteLine( "a = " + modelHW.parameters()[0] ); // Console.WriteLine( "sigma = " + modelHW.parameters()[1] ); Console.WriteLine( "Hull-White (numerical) calibration" ); for (int i=0; i<swaptions.Count; i++) swaptions[i].setPricingEngine( new TreeSwaptionEngine(modelHW2,grid)); calibrateModel(modelHW2, swaptions, 0.05); // std::cout << "calibrated to:\n" // << "a = " << modelHW2->params()[0] << ", " // << "sigma = " << modelHW2->params()[1] // << std::endl << std::endl; Console.WriteLine( "Black-Karasinski (numerical) calibration" ); for (int i=0; i<swaptions.Count; i++) swaptions[i].setPricingEngine( new TreeSwaptionEngine(modelBK,grid)); calibrateModel(modelBK, swaptions, 0.05); // std::cout << "calibrated to:\n" // << "a = " << modelBK->params()[0] << ", " // << "sigma = " << modelBK->params()[1] // << std::endl << std::endl; // ATM Bermudan swaption pricing Console.WriteLine( "Payer bermudan swaption struck at {0} (ATM)", fixedATMRate ); DateVector bermudanDates = new DateVector(); Schedule schedule = new Schedule(startDate,maturity, new Period(3,TimeUnit.Months),calendar, BusinessDayConvention.Following, BusinessDayConvention.Following, DateGeneration.Rule.Forward,false); for (uint i=0; i<schedule.size(); i++) bermudanDates.Add( schedule.date( i ) ); Exercise bermudaExercise = new BermudanExercise( bermudanDates ); Swaption bermudanSwaption = new Swaption( atmSwap, bermudaExercise); bermudanSwaption.setPricingEngine( new TreeSwaptionEngine(modelHW, 50)); Console.WriteLine( "HW: " + bermudanSwaption.NPV() ); bermudanSwaption.setPricingEngine( new TreeSwaptionEngine(modelHW2, 50)); Console.WriteLine( "HW (num): " + bermudanSwaption.NPV() ); bermudanSwaption.setPricingEngine( new TreeSwaptionEngine(modelBK, 50)); Console.WriteLine( "BK (num): " + bermudanSwaption.NPV() ); DateTime endTime = DateTime.Now; TimeSpan delta = endTime - startTime; Console.WriteLine(); Console.WriteLine("Run completed in {0} s", delta.TotalSeconds); Console.WriteLine(); }