/**
* 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.AssertSensivityObjects;
import com.opengamma.financial.convention.calendar.Calendar;
import com.opengamma.util.money.Currency;
import com.opengamma.util.money.MultipleCurrencyAmount;
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.
*/
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, IS_LONG);
private static final SwaptionPhysicalFixedIborDefinition SWAPTION_LONG_RECEIVER_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_RECEIVER_DEFINITION, IS_LONG);
private static final SwaptionPhysicalFixedIborDefinition SWAPTION_SHORT_PAYER_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_PAYER_DEFINITION, !IS_LONG);
private static final SwaptionPhysicalFixedIborDefinition SWAPTION_SHORT_RECEIVER_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_RECEIVER_DEFINITION, !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, IS_LONG);
private static final SwaptionPhysicalFixedIborDefinition SWAPTION_SHORT_PAYER_HIGH_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_PAYER_HIGH_DEFINITION, !IS_LONG);
private static final SwaptionPhysicalFixedIborDefinition SWAPTION_LONG_RECEIVER_HIGH_DEFINITION = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, SWAP_RECEIVER_HIGH_DEFINITION, 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, IS_LONG);
final SwaptionPhysicalFixedIborDefinition swaptionDefinitionShortPayerHighStrike = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, swapPayerHighStrike, !IS_LONG);
final SwaptionPhysicalFixedIborDefinition swaptionDefinitionLongReceiverHighStrike = SwaptionPhysicalFixedIborDefinition.from(EXPIRY_DATE, swapReceiverHighStrike, 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);
AssertSensivityObjects.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);
AssertSensivityObjects.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);
AssertSensivityObjects.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 = new DoublesPair(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.
}
}