/** * Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.analytics.financial.interestrate.swaption.provider; import static org.testng.AssertJUnit.assertEquals; import org.testng.annotations.Test; import org.threeten.bp.Period; import org.threeten.bp.ZonedDateTime; import com.opengamma.analytics.financial.instrument.index.GeneratorSwapFixedIbor; import com.opengamma.analytics.financial.instrument.index.GeneratorSwapFixedIborMaster; import com.opengamma.analytics.financial.instrument.index.IborIndex; import com.opengamma.analytics.financial.instrument.swap.SwapFixedIborDefinition; import com.opengamma.analytics.financial.instrument.swaption.SwaptionPhysicalFixedIborDefinition; import com.opengamma.analytics.financial.interestrate.PresentValueSABRSensitivityDataBundle; import com.opengamma.analytics.financial.interestrate.payments.derivative.Coupon; import com.opengamma.analytics.financial.interestrate.swap.derivative.SwapFixedCoupon; import com.opengamma.analytics.financial.interestrate.swaption.derivative.SwaptionPhysicalFixedIbor; import com.opengamma.analytics.financial.model.option.definition.SABRInterestRateParameters; import com.opengamma.analytics.financial.provider.calculator.discounting.PresentValueDiscountingCalculator; import com.opengamma.analytics.financial.provider.calculator.sabrswaption.PresentValueCurveSensitivitySABRSwaptionRightExtrapolationCalculator; import com.opengamma.analytics.financial.provider.calculator.sabrswaption.PresentValueSABRSwaptionCalculator; import com.opengamma.analytics.financial.provider.calculator.sabrswaption.PresentValueSABRSwaptionRightExtrapolationCalculator; import com.opengamma.analytics.financial.provider.description.MulticurveProviderDiscountDataSets; import com.opengamma.analytics.financial.provider.description.SABRDataSets; import com.opengamma.analytics.financial.provider.description.interestrate.MulticurveProviderDiscount; import com.opengamma.analytics.financial.provider.description.interestrate.SABRSwaptionProviderDiscount; import com.opengamma.analytics.financial.provider.description.interestrate.SABRSwaptionProviderInterface; import com.opengamma.analytics.financial.provider.sensitivity.multicurve.MultipleCurrencyParameterSensitivity; import com.opengamma.analytics.financial.provider.sensitivity.parameter.ParameterSensitivityParameterCalculator; import com.opengamma.analytics.financial.provider.sensitivity.sabrswaption.ParameterSensitivitySABRSwaptionDiscountInterpolatedFDCalculator; import com.opengamma.analytics.financial.schedule.ScheduleCalculator; import com.opengamma.analytics.financial.util.AssertSensitivityObjects; import com.opengamma.financial.convention.calendar.Calendar; import com.opengamma.util.money.Currency; import com.opengamma.util.money.MultipleCurrencyAmount; import com.opengamma.util.test.TestGroup; import com.opengamma.util.time.DateUtils; import com.opengamma.util.tuple.DoublesPair; /** * Class to test the present value and present value rate sensitivity of the physical delivery swaption in the SABR with extrapolation method. * The SABR smile is extrapolated above a certain cut-off strike. */ @Test(groups = TestGroup.UNIT) public class SwaptionPhysicalFixedIborSABRExtrapolationRightMethodTest { private static final MulticurveProviderDiscount MULTICURVES = MulticurveProviderDiscountDataSets.createMulticurveEurUsd(); private static final IborIndex EURIBOR6M = MulticurveProviderDiscountDataSets.getIndexesIborMulticurveEurUsd()[1]; private static final Currency EUR = EURIBOR6M.getCurrency(); private static final Calendar CALENDAR = MulticurveProviderDiscountDataSets.getEURCalendar(); private static final SABRInterestRateParameters SABR_PARAMETER = SABRDataSets.createSABR1(); private static final GeneratorSwapFixedIbor EUR1YEURIBOR6M = GeneratorSwapFixedIborMaster.getInstance().getGenerator("EUR1YEURIBOR6M", CALENDAR); private static final SABRSwaptionProviderDiscount SABR_MULTICURVES = new SABRSwaptionProviderDiscount(MULTICURVES, SABR_PARAMETER, EUR1YEURIBOR6M); private static final ZonedDateTime REFERENCE_DATE = DateUtils.getUTCDate(2008, 8, 18); // Swaption description private static final ZonedDateTime EXPIRY_DATE = DateUtils.getUTCDate(2014, 3, 18); private static final boolean IS_LONG = true; // Swap 5Y description private static final int ANNUITY_TENOR_YEAR = 5; private static final Period ANNUITY_TENOR = Period.ofYears(ANNUITY_TENOR_YEAR); private static final ZonedDateTime SETTLEMENT_DATE = ScheduleCalculator.getAdjustedDate(EXPIRY_DATE, EURIBOR6M.getSpotLag(), CALENDAR); private static final double NOTIONAL = 100000000; //100m // Fixed leg: Semi-annual bond private static final double RATE = 0.02; private static final boolean FIXED_IS_PAYER = true; // Ibor leg: quarterly money // Swaption construction private static final SwapFixedIborDefinition SWAP_PAYER_DEFINITION = SwapFixedIborDefinition.from(SETTLEMENT_DATE, ANNUITY_TENOR, EUR1YEURIBOR6M, NOTIONAL, RATE, FIXED_IS_PAYER); private static final SwapFixedIborDefinition SWAP_RECEIVER_DEFINITION = SwapFixedIborDefinition.from(SETTLEMENT_DATE, ANNUITY_TENOR, EUR1YEURIBOR6M, NOTIONAL, RATE, !FIXED_IS_PAYER); private static final SwaptionPhysicalFixedIborDefinition SWAPTION_LONG_PAYER_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_PAYER_DEFINITION, true, IS_LONG); private static final SwaptionPhysicalFixedIborDefinition SWAPTION_LONG_RECEIVER_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_RECEIVER_DEFINITION, false, IS_LONG); private static final SwaptionPhysicalFixedIborDefinition SWAPTION_SHORT_PAYER_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_PAYER_DEFINITION, true, !IS_LONG); private static final SwaptionPhysicalFixedIborDefinition SWAPTION_SHORT_RECEIVER_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_RECEIVER_DEFINITION, false, !IS_LONG); // to derivatives private static final SwaptionPhysicalFixedIbor SWAPTION_LONG_PAYER = SWAPTION_LONG_PAYER_DEFINITION.toDerivative(REFERENCE_DATE); private static final SwaptionPhysicalFixedIbor SWAPTION_LONG_RECEIVER = SWAPTION_LONG_RECEIVER_DEFINITION.toDerivative(REFERENCE_DATE); private static final SwaptionPhysicalFixedIbor SWAPTION_SHORT_PAYER = SWAPTION_SHORT_PAYER_DEFINITION.toDerivative(REFERENCE_DATE); private static final SwaptionPhysicalFixedIbor SWAPTION_SHORT_RECEIVER = SWAPTION_SHORT_RECEIVER_DEFINITION.toDerivative(REFERENCE_DATE); private static final double HIGH_STRIKE = 0.10; private static final SwapFixedIborDefinition SWAP_PAYER_HIGH_DEFINITION = SwapFixedIborDefinition.from(SETTLEMENT_DATE, ANNUITY_TENOR, EUR1YEURIBOR6M, NOTIONAL, HIGH_STRIKE, FIXED_IS_PAYER); private static final SwapFixedIborDefinition SWAP_RECEIVER_HIGH_DEFINITION = SwapFixedIborDefinition.from(SETTLEMENT_DATE, ANNUITY_TENOR, EUR1YEURIBOR6M, NOTIONAL, HIGH_STRIKE, !FIXED_IS_PAYER); private static final SwapFixedCoupon<Coupon> SWAP_PAYER_HIGH = SWAP_PAYER_HIGH_DEFINITION.toDerivative(REFERENCE_DATE); private static final SwaptionPhysicalFixedIborDefinition SWAPTION_LONG_PAYER_HIGH_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_PAYER_HIGH_DEFINITION, true, IS_LONG); private static final SwaptionPhysicalFixedIborDefinition SWAPTION_SHORT_PAYER_HIGH_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_PAYER_HIGH_DEFINITION, true, !IS_LONG); private static final SwaptionPhysicalFixedIborDefinition SWAPTION_LONG_RECEIVER_HIGH_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_RECEIVER_HIGH_DEFINITION, false, IS_LONG); private static final SwaptionPhysicalFixedIbor SWAPTION_LONG_PAYER_HIGH = SWAPTION_LONG_PAYER_HIGH_DEFINITION.toDerivative(REFERENCE_DATE); private static final SwaptionPhysicalFixedIbor SWAPTION_SHORT_PAYER_HIGH = SWAPTION_SHORT_PAYER_HIGH_DEFINITION.toDerivative(REFERENCE_DATE); private static final SwaptionPhysicalFixedIbor SWAPTION_LONG_RECEIVER_HIGH = SWAPTION_LONG_RECEIVER_HIGH_DEFINITION.toDerivative(REFERENCE_DATE); // Extrapolation private static final SwaptionPhysicalFixedIborSABRMethod METHOD_SABR = SwaptionPhysicalFixedIborSABRMethod.getInstance(); private static final double CUT_OFF_STRIKE = 0.08; private static final double MU = 10.0; private static final SwaptionPhysicalFixedIborSABRExtrapolationRightMethod METHOD_SABR_EXTRAPOLATION = new SwaptionPhysicalFixedIborSABRExtrapolationRightMethod(CUT_OFF_STRIKE, MU); // Calculators private static final PresentValueDiscountingCalculator PVDC = PresentValueDiscountingCalculator.getInstance(); private static final PresentValueSABRSwaptionCalculator PVSSC = PresentValueSABRSwaptionCalculator.getInstance(); private static final PresentValueSABRSwaptionRightExtrapolationCalculator PVSSXC = new PresentValueSABRSwaptionRightExtrapolationCalculator(CUT_OFF_STRIKE, MU); private static final PresentValueCurveSensitivitySABRSwaptionRightExtrapolationCalculator PVCSSSXC = new PresentValueCurveSensitivitySABRSwaptionRightExtrapolationCalculator(CUT_OFF_STRIKE, MU); private static final double SHIFT = 1.0E-6; private static final ParameterSensitivityParameterCalculator<SABRSwaptionProviderInterface> PS_SSX_C = new ParameterSensitivityParameterCalculator<>(PVCSSSXC); private static final ParameterSensitivitySABRSwaptionDiscountInterpolatedFDCalculator PS_SSX_FDC = new ParameterSensitivitySABRSwaptionDiscountInterpolatedFDCalculator(PVSSXC, SHIFT); private static final double TOLERANCE_PV = 1.0E-2; private static final double TOLERANCE_PV_DELTA = 1.0E+5; /** * Tests present value in the region where there is no extrapolation. Tests long/short parity. */ @Test public void presentValueNoExtra() { final MultipleCurrencyAmount priceLongPayer = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER, SABR_MULTICURVES); final MultipleCurrencyAmount priceShortPayer = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_SHORT_PAYER, SABR_MULTICURVES); final MultipleCurrencyAmount priceLongReceiver = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_RECEIVER, SABR_MULTICURVES); final MultipleCurrencyAmount priceShortReceiver = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_SHORT_RECEIVER, SABR_MULTICURVES); final MultipleCurrencyAmount priceLongPayerNoExtra = SWAPTION_LONG_PAYER.accept(PVSSC, SABR_MULTICURVES); final MultipleCurrencyAmount priceShortPayerNoExtra = SWAPTION_SHORT_PAYER.accept(PVSSC, SABR_MULTICURVES); final MultipleCurrencyAmount priceLongReceiverNoExtra = SWAPTION_LONG_RECEIVER.accept(PVSSC, SABR_MULTICURVES); final MultipleCurrencyAmount priceShortReceiverNoExtra = SWAPTION_SHORT_RECEIVER.accept(PVSSC, SABR_MULTICURVES); assertEquals("Swaption SABR extrapolation: below cut-off strike", priceLongPayerNoExtra.getAmount(EUR), priceLongPayer.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: below cut-off strike", priceShortPayerNoExtra.getAmount(EUR), priceShortPayer.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: below cut-off strike", priceLongReceiverNoExtra.getAmount(EUR), priceLongReceiver.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: below cut-off strike", priceShortReceiverNoExtra.getAmount(EUR), priceShortReceiver.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: below cut-off strike long/short parity", priceLongPayer.getAmount(EUR), -priceShortPayer.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: below cut-off strike long/short parity", priceLongReceiver.getAmount(EUR), -priceShortReceiver.getAmount(EUR), TOLERANCE_PV); } /** * Tests present value at the limit of extrapolation. Tests long/short parity. */ @Test public void presentValueLimit() { final double highStrike = 0.0801; final SwapFixedIborDefinition swapPayerHighStrike = SwapFixedIborDefinition.from(SETTLEMENT_DATE, ANNUITY_TENOR, EUR1YEURIBOR6M, NOTIONAL, highStrike, FIXED_IS_PAYER); final SwapFixedIborDefinition swapReceiverHighStrike = SwapFixedIborDefinition.from(SETTLEMENT_DATE, ANNUITY_TENOR, EUR1YEURIBOR6M, NOTIONAL, highStrike, !FIXED_IS_PAYER); final SwaptionPhysicalFixedIborDefinition swaptionDefinitionLongPayerHighStrike = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, swapPayerHighStrike, true, IS_LONG); final SwaptionPhysicalFixedIborDefinition swaptionDefinitionShortPayerHighStrike = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, swapPayerHighStrike, true, !IS_LONG); final SwaptionPhysicalFixedIborDefinition swaptionDefinitionLongReceiverHighStrike = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, swapReceiverHighStrike, false, IS_LONG); final SwaptionPhysicalFixedIbor swaptionLongPayerHighStrike = swaptionDefinitionLongPayerHighStrike.toDerivative(REFERENCE_DATE); final SwaptionPhysicalFixedIbor swaptionShortPayerHighStrike = swaptionDefinitionShortPayerHighStrike.toDerivative(REFERENCE_DATE); final SwaptionPhysicalFixedIbor swaptionLongReceiverHighStrike = swaptionDefinitionLongReceiverHighStrike.toDerivative(REFERENCE_DATE); final MultipleCurrencyAmount priceLongPayer = METHOD_SABR_EXTRAPOLATION.presentValue(swaptionLongPayerHighStrike, SABR_MULTICURVES); final MultipleCurrencyAmount priceShortPayer = METHOD_SABR_EXTRAPOLATION.presentValue(swaptionShortPayerHighStrike, SABR_MULTICURVES); final MultipleCurrencyAmount priceLongReceiver = METHOD_SABR_EXTRAPOLATION.presentValue(swaptionLongReceiverHighStrike, SABR_MULTICURVES); final MultipleCurrencyAmount priceLongPayerSABR = swaptionLongPayerHighStrike.accept(PVSSXC, SABR_MULTICURVES); final MultipleCurrencyAmount priceLongReceiverSABR = swaptionLongReceiverHighStrike.accept(PVSSXC, SABR_MULTICURVES); assertEquals("Swaption SABR extrapolation: extrapolation limit", priceLongPayerSABR.getAmount(EUR), priceLongPayer.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: extrapolation limit", priceLongReceiverSABR.getAmount(EUR), priceLongReceiver.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: long/short parity", priceLongPayer.getAmount(EUR), -priceShortPayer.getAmount(EUR), TOLERANCE_PV); } /** * Tests present value in the region where there is extrapolation. Test a hard-coded value. Tests long/short parity. Test payer/receiver/swap parity. */ @Test public void presentValueExtra() { final MultipleCurrencyAmount priceLongPayer = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); final MultipleCurrencyAmount priceShortPayer = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_SHORT_PAYER_HIGH, SABR_MULTICURVES); final MultipleCurrencyAmount priceLongReceiver = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_RECEIVER_HIGH, SABR_MULTICURVES); final MultipleCurrencyAmount pricePayer = SWAP_PAYER_HIGH.accept(PVDC, MULTICURVES); final double priceLongPayerExpected = 189776.119; // Value from previous run final double priceLongReceiverExpected = 37512770.957; // Value from previous run assertEquals("Swaption SABR extrapolation: fixed value", priceLongPayerExpected, priceLongPayer.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: fixed value", priceLongReceiverExpected, priceLongReceiver.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: long/short parity", priceLongPayer.getAmount(EUR), -priceShortPayer.getAmount(EUR), TOLERANCE_PV); assertEquals("Swaption SABR extrapolation: payer/receiver/swap parity", pricePayer.getAmount(EUR), priceLongPayer.getAmount(EUR) - priceLongReceiver.getAmount(EUR), TOLERANCE_PV); } @Test /** * Test the present value sensitivity for a swaption with strike above the cut-off strike. */ public void presentValueCurveSensitivityLongPayerExtra() { final MultipleCurrencyParameterSensitivity pvpsExact = PS_SSX_C.calculateSensitivity(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES, SABR_MULTICURVES.getMulticurveProvider().getAllNames()); final MultipleCurrencyParameterSensitivity pvpsFD = PS_SSX_FDC.calculateSensitivity(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); AssertSensitivityObjects.assertEquals("SwaptionPhysicalFixedIborSABRMethod: presentValueCurveSensitivity ", pvpsExact, pvpsFD, TOLERANCE_PV_DELTA); } @Test /** * Test the present value sensitivity for a swaption with strike above the cut-off strike. */ public void presentValueCurveSensitivityLongReceiverExtra() { final MultipleCurrencyParameterSensitivity pvpsExact = PS_SSX_C.calculateSensitivity(SWAPTION_LONG_RECEIVER_HIGH, SABR_MULTICURVES, SABR_MULTICURVES.getMulticurveProvider().getAllNames()); final MultipleCurrencyParameterSensitivity pvpsFD = PS_SSX_FDC.calculateSensitivity(SWAPTION_LONG_RECEIVER_HIGH, SABR_MULTICURVES); AssertSensitivityObjects.assertEquals("SwaptionPhysicalFixedIborSABRMethod: presentValueCurveSensitivity ", pvpsExact, pvpsFD, TOLERANCE_PV_DELTA); } @Test /** * Test the present value sensitivity for a swaption with strike above the cut-off strike. */ public void presentValueCurveSensitivityShortReceiverExtra() { final MultipleCurrencyParameterSensitivity pvpsExact = PS_SSX_C.calculateSensitivity(SWAPTION_SHORT_PAYER_HIGH, SABR_MULTICURVES, SABR_MULTICURVES.getMulticurveProvider().getAllNames()); final MultipleCurrencyParameterSensitivity pvpsFD = PS_SSX_FDC.calculateSensitivity(SWAPTION_SHORT_PAYER_HIGH, SABR_MULTICURVES); AssertSensitivityObjects.assertEquals("SwaptionPhysicalFixedIborSABRMethod: presentValueCurveSensitivity ", pvpsExact, pvpsFD, TOLERANCE_PV_DELTA); } @Test /** * Test the present value sensitivity to SABR parameters for a swaption with strike above the cut-off strike. */ public void presentValueSABRSensitivity() { // Swaption sensitivity final PresentValueSABRSensitivityDataBundle pvsLongPayer = METHOD_SABR_EXTRAPOLATION.presentValueSABRSensitivity(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); PresentValueSABRSensitivityDataBundle pvsShortPayer = METHOD_SABR_EXTRAPOLATION.presentValueSABRSensitivity(SWAPTION_SHORT_PAYER_HIGH, SABR_MULTICURVES); // Long/short parity pvsShortPayer = pvsShortPayer.multiplyBy(-1.0); assertEquals(pvsLongPayer.getAlpha(), pvsShortPayer.getAlpha()); // SABR sensitivity vs finite difference final MultipleCurrencyAmount pvLongPayer = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); final DoublesPair expectedExpiryTenor = DoublesPair.of(SWAPTION_LONG_PAYER_HIGH.getTimeToExpiry(), ANNUITY_TENOR_YEAR); final double shift = 0.000005; // Alpha sensitivity vs finite difference computation final SABRInterestRateParameters sabrParameterAlphaBumped = SABRDataSets.createSABR1AlphaBumped(shift); final SABRSwaptionProviderDiscount sabrBundleAlphaBumped = new SABRSwaptionProviderDiscount(MULTICURVES, sabrParameterAlphaBumped, EUR1YEURIBOR6M); final MultipleCurrencyAmount pvLongPayerAlphaBumped = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER_HIGH, sabrBundleAlphaBumped); final double expectedAlphaSensi = (pvLongPayerAlphaBumped.getAmount(EUR) - pvLongPayer.getAmount(EUR)) / shift; assertEquals("Number of alpha sensitivity", pvsLongPayer.getAlpha().getMap().keySet().size(), 1); assertEquals("Alpha sensitivity expiry/tenor", pvsLongPayer.getAlpha().getMap().keySet().contains(expectedExpiryTenor), true); assertEquals("Alpha sensitivity value", expectedAlphaSensi, pvsLongPayer.getAlpha().getMap().get(expectedExpiryTenor), 2.0E+3); // Beta sensitivity vs finite difference computation final SABRInterestRateParameters sabrParameterBetaBumped = SABRDataSets.createSABR1BetaBumped(shift); final SABRSwaptionProviderDiscount sabrBundleBetaBumped = new SABRSwaptionProviderDiscount(MULTICURVES, sabrParameterBetaBumped, EUR1YEURIBOR6M); final MultipleCurrencyAmount pvLongPayerBetaBumped = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER_HIGH, sabrBundleBetaBumped); final double expectedBetaSensi = (pvLongPayerBetaBumped.getAmount(EUR) - pvLongPayer.getAmount(EUR)) / shift; assertEquals("Number of Beta sensitivity", pvsLongPayer.getBeta().getMap().keySet().size(), 1); assertEquals("Beta sensitivity expiry/tenor", pvsLongPayer.getBeta().getMap().keySet().contains(expectedExpiryTenor), true); assertEquals("Beta sensitivity value", expectedBetaSensi, pvsLongPayer.getBeta().getMap().get(expectedExpiryTenor), 1.5E+3); // Rho sensitivity vs finite difference computation final SABRInterestRateParameters sabrParameterRhoBumped = SABRDataSets.createSABR1RhoBumped(shift); final SABRSwaptionProviderDiscount sabrBundleRhoBumped = new SABRSwaptionProviderDiscount(MULTICURVES, sabrParameterRhoBumped, EUR1YEURIBOR6M); final MultipleCurrencyAmount pvLongPayerRhoBumped = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER_HIGH, sabrBundleRhoBumped); final double expectedRhoSensi = (pvLongPayerRhoBumped.getAmount(EUR) - pvLongPayer.getAmount(EUR)) / shift; assertEquals("Number of rho sensitivity", pvsLongPayer.getRho().getMap().keySet().size(), 1); assertEquals("Rho sensitivity expiry/tenor", pvsLongPayer.getRho().getMap().keySet().contains(expectedExpiryTenor), true); assertEquals("Rho sensitivity value", expectedRhoSensi, pvsLongPayer.getRho().getMap().get(expectedExpiryTenor), 3.0E+0); // Alpha sensitivity vs finite difference computation final SABRInterestRateParameters sabrParameterNuBumped = SABRDataSets.createSABR1NuBumped(shift); final SABRSwaptionProviderDiscount sabrBundleNuBumped = new SABRSwaptionProviderDiscount(MULTICURVES, sabrParameterNuBumped, EUR1YEURIBOR6M); final MultipleCurrencyAmount pvLongPayerNuBumped = METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER_HIGH, sabrBundleNuBumped); final double expectedNuSensi = (pvLongPayerNuBumped.getAmount(EUR) - pvLongPayer.getAmount(EUR)) / shift; assertEquals("Number of nu sensitivity", pvsLongPayer.getNu().getMap().keySet().size(), 1); assertEquals("Nu sensitivity expiry/tenor", pvsLongPayer.getNu().getMap().keySet().contains(expectedExpiryTenor), true); assertEquals("Nu sensitivity value", expectedNuSensi, pvsLongPayer.getNu().getMap().get(expectedExpiryTenor), 5.0E+1); } @Test(enabled = false) /** * Tests of performance. "enabled = false" for the standard testing. */ public void performance() { long startTime, endTime; final int nbTest = 1000; startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { METHOD_SABR_EXTRAPOLATION.presentValue(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); METHOD_SABR_EXTRAPOLATION.presentValueCurveSensitivity(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); METHOD_SABR_EXTRAPOLATION.presentValueSABRSensitivity(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println(nbTest + " swaption payer price+delta+vega with SABR extrapolation: " + (endTime - startTime) + " ms"); // Performance note: price+delta+vega payer extrapolation: 12-Dec-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 155 ms for 1000 swaptions. startTime = System.currentTimeMillis(); for (int looptest = 0; looptest < nbTest; looptest++) { METHOD_SABR.presentValue(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); METHOD_SABR.presentValueCurveSensitivity(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); METHOD_SABR.presentValueSABRSensitivity(SWAPTION_LONG_PAYER_HIGH, SABR_MULTICURVES); } endTime = System.currentTimeMillis(); System.out.println(nbTest + " swaption payer price+delta+vega with standard SABR: " + (endTime - startTime) + " ms"); // Performance note: price+delta+vega payer standard: 12-Dec-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 95 ms for 1000 swaptions. } }