//-------------------------------------------------------------------------
public virtual void test_presentValueSensitivityVolatility()
{
PointSensitivities pointCaplet = PRICER.presentValueSensitivityModelParamsSabr(CAPLET_LONG, RATES, VOLS).build();
PointSensitivities pointFloorlet = PRICER.presentValueSensitivityModelParamsSabr(FLOORLET_SHORT, RATES, VOLS).build();
double forward = RATES.iborIndexRates(EUR_EURIBOR_3M).rate(RATE_COMP.Observation);
double expiry = VOLS.relativeTime(CAPLET_LONG.FixingDateTime);
ValueDerivatives volSensi = VOLS.Parameters.volatilityAdjoint(expiry, STRIKE, forward);
double df = RATES.discountFactor(EUR, CAPLET_LONG.PaymentDate);
double vegaCaplet = NOTIONAL * df * CAPLET_LONG.YearFraction * BlackFormulaRepository.vega(forward + SHIFT, STRIKE + SHIFT, expiry, volSensi.Value);
double vegaFloorlet = -NOTIONAL *df *CAPLET_LONG.YearFraction *BlackFormulaRepository.vega(forward + SHIFT, STRIKE + SHIFT, expiry, volSensi.Value);
assertSensitivity(pointCaplet, SabrParameterType.ALPHA, vegaCaplet * volSensi.getDerivative(2), TOL);
assertSensitivity(pointCaplet, SabrParameterType.BETA, vegaCaplet * volSensi.getDerivative(3), TOL);
assertSensitivity(pointCaplet, SabrParameterType.RHO, vegaCaplet * volSensi.getDerivative(4), TOL);
assertSensitivity(pointCaplet, SabrParameterType.NU, vegaCaplet * volSensi.getDerivative(5), TOL);
assertSensitivity(pointFloorlet, SabrParameterType.ALPHA, vegaFloorlet * volSensi.getDerivative(2), TOL);
assertSensitivity(pointFloorlet, SabrParameterType.BETA, vegaFloorlet * volSensi.getDerivative(3), TOL);
assertSensitivity(pointFloorlet, SabrParameterType.RHO, vegaFloorlet * volSensi.getDerivative(4), TOL);
assertSensitivity(pointFloorlet, SabrParameterType.NU, vegaFloorlet * volSensi.getDerivative(5), TOL);
PointSensitivities pointCapletVol = PRICER.presentValueSensitivityModelParamsVolatility(CAPLET_LONG, RATES, VOLS).build();
// vol sensitivity in base class
PointSensitivities pointFloorletVol = PRICER.presentValueSensitivityModelParamsVolatility(FLOORLET_SHORT, RATES, VOLS).build();
IborCapletFloorletSensitivity pointCapletVolExp = IborCapletFloorletSensitivity.of(VOLS.Name, expiry, STRIKE, forward, EUR, vegaCaplet);
IborCapletFloorletSensitivity pointFloorletVolExp = IborCapletFloorletSensitivity.of(VOLS.Name, expiry, STRIKE, forward, EUR, vegaFloorlet);
assertEquals(pointCapletVol.Sensitivities.get(0), pointCapletVolExp);
assertEquals(pointFloorletVol.Sensitivities.get(0), pointFloorletVolExp);
}
// market quote bucketed PV01 for one scenario
internal CurrencyParameterSensitivities pv01MarketQuoteBucketed(ResolvedFxNdfTrade trade, RatesProvider ratesProvider)
{
PointSensitivities pointSensitivity = tradePricer.presentValueSensitivity(trade, ratesProvider);
CurrencyParameterSensitivities parameterSensitivity = ratesProvider.parameterSensitivity(pointSensitivity);
return(MARKET_QUOTE_SENS.sensitivity(parameterSensitivity, ratesProvider).multipliedBy(ONE_BASIS_POINT));
}
// market quote bucketed PV01 for one scenario
internal CurrencyParameterSensitivities pv01RatesMarketQuoteBucketed(ResolvedIborCapFloorTrade trade, RatesProvider ratesProvider, IborCapletFloorletVolatilities volatilities)
{
PointSensitivities pointSensitivity = this.pointSensitivity(trade, ratesProvider, volatilities);
CurrencyParameterSensitivities parameterSensitivity = ratesProvider.parameterSensitivity(pointSensitivity);
return(MARKET_QUOTE_SENS.sensitivity(parameterSensitivity, ratesProvider).multipliedBy(ONE_BASIS_POINT));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
IborRateSensitivity @base = IborRateSensitivity.of(GBP_LIBOR_3M_OBSERVATION, 32d);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
// market quote sum PV01 for one scenario
internal MultiCurrencyAmount pv01MarketQuoteSum(ResolvedTermDepositTrade trade, RatesProvider ratesProvider)
{
PointSensitivities pointSensitivity = tradePricer.presentValueSensitivity(trade, ratesProvider);
CurrencyParameterSensitivities parameterSensitivity = ratesProvider.parameterSensitivity(pointSensitivity);
return(MARKET_QUOTE_SENS.sensitivity(parameterSensitivity, ratesProvider).total().multipliedBy(ONE_BASIS_POINT));
}
//-------------------------------------------------------------------------
public virtual void present_value_vol_sensitivity_premium_forward()
{
PointSensitivities vegaTrade = PRICER_TRADE.presentValueSensitivityModelParamsSabr(SWAPTION_PREFWD_LONG_REC, RATE_PROVIDER, VOLS);
PointSensitivities vegaProduct = PRICER_PRODUCT.presentValueSensitivityModelParamsSabr(SWAPTION_LONG_REC, RATE_PROVIDER, VOLS).build();
assertEquals(vegaTrade, vegaProduct);
}
//-------------------------------------------------------------------------
public virtual void present_value_black_vol_sensitivity_premium_forward()
{
PointSensitivities vegaTrade = PRICER_TRADE.presentValueSensitivityModelParamsVolatility(SWAPTION_PREFWD_LONG_REC, RATE_PROVIDER, VOLS);
SwaptionSensitivity vegaProduct = PRICER_PRODUCT.presentValueSensitivityModelParamsVolatility(SWAPTION_LONG_REC, RATE_PROVIDER, VOLS);
assertEquals(vegaTrade.Sensitivities.get(0).Sensitivity, vegaProduct.Sensitivity, NOTIONAL * TOL);
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
InflationRateSensitivity @base = InflationRateSensitivity.of(GB_HICP_OBS, 3.5);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
public virtual void test_presentValueSensitivity_ended()
{
ResolvedFxSingle fwd = ResolvedFxSingle.of(CurrencyAmount.of(USD, NOMINAL_USD), FxRate.of(USD, KRW, FX_RATE), PAYMENT_DATE_PAST);
PointSensitivities computed = PRICER.presentValueSensitivity(fwd, PROVIDER);
assertEquals(computed, PointSensitivities.empty());
}
// calibrated sum PV01 for one scenario
internal MultiCurrencyAmount pv01CalibratedSum(ResolvedBondFutureOptionTrade trade, LegalEntityDiscountingProvider discountingProvider, BondFutureVolatilities volatilities)
{
BlackBondFutureVolatilities normalVols = checkBlackVols(volatilities);
PointSensitivities pointSensitivity = tradePricer.presentValueSensitivityRates(trade, discountingProvider, normalVols);
return(discountingProvider.parameterSensitivity(pointSensitivity).total().multipliedBy(ONE_BASIS_POINT));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
SwaptionSensitivity @base = SwaptionSensitivity.of(NAME, EXPIRY, TENOR, STRIKE, FORWARD, GBP, 32d);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
//-------------------------------------------------------------------------
public virtual void test_presentValueSensitivity()
{
PointSensitivities ptsTrade = PRICER_TRADE.presentValueSensitivity(RDEPOSIT_TRADE, IMM_PROV);
PointSensitivities ptsProduct = PRICER_PRODUCT.presentValueSensitivity(RDEPOSIT_PRODUCT, IMM_PROV);
assertTrue(ptsTrade.equalWithTolerance(ptsProduct, TOLERANCE_PV_DELTA));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
FxIndexSensitivity @base = FxIndexSensitivity.of(GBP_USD_WM_OBS, USD, GBP, SENSITIVITY_VALUE);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
IborCapletFloorletSabrSensitivity @base = IborCapletFloorletSabrSensitivity.of(NAME, EXPIRY, SabrParameterType.ALPHA, GBP, 32d);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
public virtual void test_parRateSensitivity()
{
PointSensitivities computedSpread = PRICER.parSpreadSensitivity(RTERM_DEPOSIT, IMM_PROV);
PointSensitivities computedRate = PRICER.parRateSensitivity(RTERM_DEPOSIT, IMM_PROV);
assertTrue(computedSpread.equalWithTolerance(computedRate, NOTIONAL * EPS_FD));
}
// calculates calibrated bucketed IR01 for one scenario
internal CurrencyParameterSensitivity ir01CalibratedBucketed(ResolvedCdsIndexTrade trade, CreditRatesProvider ratesProvider, ReferenceData refData)
{
PointSensitivities pointSensitivity = tradePricer.presentValueOnSettleSensitivity(trade, ratesProvider, refData);
CurrencyParameterSensitivity irSensitivity = ratesProvider.singleDiscountCurveParameterSensitivity(pointSensitivity, trade.Product.Currency);
return(irSensitivity.multipliedBy(ONE_BASIS_POINT));
}
//-------------------------------------------------------------------------
public virtual void present_value_normal_vol_sensitivity_premium_forward()
{
PointSensitivities vegaTrade = PRICER_TRADE.presentValueSensitivityModelParamsVolatility(SWAPTION_PREFWD_LONG_REC, MULTI_USD, NORMAL_VOLS_USD);
SwaptionSensitivity vegaProduct = PRICER_PRODUCT.presentValueSensitivityModelParamsVolatility(SWAPTION_LONG_REC, MULTI_USD, NORMAL_VOLS_USD);
assertEquals(vegaTrade.Sensitivities.get(0).Sensitivity, vegaProduct.Sensitivity, TOLERANCE_PV_VEGA);
}
// calculates market quote bucketed PV01 for one scenario
internal CurrencyParameterSensitivities pv01MarketQuoteBucketed(ResolvedCdsIndexTrade trade, CreditRatesProvider ratesProvider, ReferenceData refData)
{
PointSensitivities pointSensitivity = tradePricer.presentValueSensitivity(trade, ratesProvider, refData);
CurrencyParameterSensitivities parameterSensitivity = ratesProvider.parameterSensitivity(pointSensitivity);
return(MARKET_QUOTE_SENS.sensitivity(parameterSensitivity, ratesProvider).multipliedBy(ONE_BASIS_POINT));
}
// market quote sum PV01 for one scenario
internal MultiCurrencyAmount pv01RatesMarketQuoteSum(ResolvedSwaptionTrade trade, RatesProvider ratesProvider, SwaptionVolatilities volatilities)
{
PointSensitivities pointSensitivity = this.pointSensitivity(trade, ratesProvider, volatilities);
CurrencyParameterSensitivities parameterSensitivity = ratesProvider.parameterSensitivity(pointSensitivity);
return(MARKET_QUOTE_SENS.sensitivity(parameterSensitivity, ratesProvider).total().multipliedBy(ONE_BASIS_POINT));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
CreditCurveZeroRateSensitivity @base = CreditCurveZeroRateSensitivity.of(LEGAL_ENTITY, GBP, YEAR_FRACTION, 32d);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
/// <summary>
/// Calculates the price sensitivity of the Ibor future option product
/// based on the price of the underlying future.
/// <para>
/// The price sensitivity of the product is the sensitivity of the price to the underlying curves.
/// The volatility is unchanged for a fixed strike in the sensitivity computation, hence the "StickyStrike" name.
///
/// </para>
/// </summary>
/// <param name="futureOption"> the option product </param>
/// <param name="ratesProvider"> the rates provider </param>
/// <param name="volatilities"> the volatilities </param>
/// <param name="futurePrice"> the price of the underlying future, in decimal form </param>
/// <returns> the price curve sensitivity of the product </returns>
public virtual PointSensitivities priceSensitivityRatesStickyStrike(ResolvedIborFutureOption futureOption, RatesProvider ratesProvider, NormalIborFutureOptionVolatilities volatilities, double futurePrice)
{
double delta = deltaStickyStrike(futureOption, ratesProvider, volatilities, futurePrice);
PointSensitivities futurePriceSensitivity = futurePricer.priceSensitivity(futureOption.UnderlyingFuture, ratesProvider);
return(futurePriceSensitivity.multipliedBy(delta));
}
public virtual void test_presentValueSensitivityBlackVolatility()
{
PointSensitivities pvSensiTrade = PRICER_TRADE.presentValueSensitivityModelParamsVolatility(OPTION_TRADE, RATES_PROVIDER, VOLS);
PointSensitivities pvSensiProduct = PRICER_PRODUCT.presentValueSensitivityModelParamsVolatility(OPTION_PRODUCT, RATES_PROVIDER, VOLS).build();
assertEquals(pvSensiTrade, pvSensiProduct);
}
// calibrated sum PV01 for one scenario
internal MultiCurrencyAmount pv01CalibratedSum(ResolvedIborFutureOptionTrade trade, RatesProvider ratesProvider, IborFutureOptionVolatilities volatilities)
{
NormalIborFutureOptionVolatilities normalVols = checkNormalVols(volatilities);
PointSensitivities pointSensitivity = tradePricer.presentValueSensitivityRates(trade, ratesProvider, normalVols);
return(ratesProvider.parameterSensitivity(pointSensitivity).total().multipliedBy(ONE_BASIS_POINT));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
IborFutureOptionSensitivity @base = IborFutureOptionSensitivity.of(NAME, 12d, date(2015, 8, 28), 0.98, 0.99, GBP, 32d);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
ZeroRateSensitivity @base = ZeroRateSensitivity.of(GBP, YEARFRAC, 32d);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
/// <summary>
/// Calculates the price sensitivity of the bond future option product based on the price of the underlying future.
/// <para>
/// The price sensitivity of the product is the sensitivity of the price to the underlying curves.
/// The volatility is unchanged for a fixed strike in the sensitivity computation, hence the "StickyStrike" name.
///
/// </para>
/// </summary>
/// <param name="futureOption"> the option product </param>
/// <param name="discountingProvider"> the discounting provider </param>
/// <param name="volatilities"> the volatilities </param>
/// <param name="futurePrice"> the price of the underlying future </param>
/// <returns> the price curve sensitivity of the product </returns>
public PointSensitivities priceSensitivityRatesStickyStrike(ResolvedBondFutureOption futureOption, LegalEntityDiscountingProvider discountingProvider, BlackBondFutureVolatilities volatilities, double futurePrice)
{
double delta = deltaStickyStrike(futureOption, discountingProvider, volatilities, futurePrice);
PointSensitivities futurePriceSensitivity = futurePricer.priceSensitivity(futureOption.UnderlyingFuture, discountingProvider);
return(futurePriceSensitivity.multipliedBy(delta));
}
public virtual void test_build()
{
FxOptionSensitivity @base = FxOptionSensitivity.of(NAME, PAIR, EXPIRY, STRIKE, FORWARD, GBP, SENSI_VALUE);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
//-------------------------------------------------------------------------
public virtual void test_build()
{
BondFutureOptionSensitivity @base = BondFutureOptionSensitivity.of(NAME, OPTION_EXPIRY, FUTURE_EXPIRY, STRIKE_PRICE, FUTURE_PRICE, GBP, SENSITIVITY);
PointSensitivities test = @base.build();
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
//-------------------------------------------------------------------------
/// <summary>
/// Calculates the present value sensitivity to the implied volatility of the swaption trade.
/// </summary>
/// <param name="trade"> the swaption trade </param>
/// <param name="ratesProvider"> the rates provider </param>
/// <param name="swaptionVolatilities"> the volatilities </param>
/// <returns> the point sensitivity to the implied volatility </returns>
public virtual PointSensitivities presentValueSensitivityModelParamsVolatility(ResolvedSwaptionTrade trade, RatesProvider ratesProvider, SabrSwaptionVolatilities swaptionVolatilities)
{
ResolvedSwaption product = trade.Product;
SwaptionSensitivity pointSens = isCash(product) ? cashParYieldPricer.presentValueSensitivityModelParamsVolatility(product, ratesProvider, swaptionVolatilities) : physicalPricer.presentValueSensitivityModelParamsVolatility(product, ratesProvider, swaptionVolatilities);
return(PointSensitivities.of(pointSens));
}
public virtual void test_presentValueSensitivity_ended()
{
ResolvedFxSwap product = ResolvedFxSwap.ofForwardPoints(CurrencyAmount.of(USD, NOMINAL_USD), KRW, FX_RATE, FX_FWD_POINTS, PAYMENT_DATE_LONG_PAST, PAYMENT_DATE_PAST);
PointSensitivities computed = PRICER.presentValueSensitivity(product, PROVIDER);
assertEquals(computed, PointSensitivities.empty());
}