Package com.opengamma.analytics.financial.provider.sensitivity.multicurve

Examples of com.opengamma.analytics.financial.provider.sensitivity.multicurve.MulticurveSensitivity

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      listDf.add(dfSensi);
      cfeAmountIborBar[loopcf] = dfIbor[loopcf] * discountedCashFlowIborBar[loopcf];
    }
    final Map<String, List<DoublesPair>> pvsDF = new HashMap<>();
    pvsDF.put(multicurves.getName(ccy), listDf);
    MulticurveSensitivity sensitivity = MulticurveSensitivity.ofYieldDiscounting(pvsDF);
    final Map<Double, MulticurveSensitivity> cfeIborCurveSensi = swaption.getUnderlyingSwap().getSecondLeg().accept(CFECSC, multicurves);
    for (int loopcf = 0; loopcf < cfeIbor.getNumberOfPayments(); loopcf++) {
      final MulticurveSensitivity sensiCfe = cfeIborCurveSensi.get(cfeIbor.getNthPayment(loopcf).getPaymentTime());
      if (!(sensiCfe == null)) { // There is some sensitivity to that cfe.
        sensitivity = sensitivity.plus(sensiCfe.multipliedBy(cfeAmountIborBar[loopcf]));
      }
    }
    return MultipleCurrencyMulticurveSensitivity.of(ccy, sensitivity);
  }
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  @Test
  /**
   * Tests the par spread curve sensitivity  (Method vs Calculator).
   */
  public void parSpreadCurveSensitivityMethodVsCalculator() {
    final MulticurveSensitivity pscsMethod = METHOD_TRANSACTION.parSpreadCurveSensitivity(BILL_TRA, ISSUER_MULTICURVE);
    final MulticurveSensitivity pscsCalculator = BILL_TRA.accept(PSMQCSIDC, ISSUER_MULTICURVE);
    AssertSensivityObjects.assertEquals("parSpread: curve sensitivity - fwd", pscsMethod, pscsCalculator, TOLERANCE_SPREAD_DELTA);
  }
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    final double pvbpModified = METHOD_SWAP.presentValueBasisPoint(swaption.getUnderlyingSwap(), dayCountModification, multicurves);
    final double forwardModified = PRDC.visitFixedCouponSwap(swaption.getUnderlyingSwap(), dayCountModification, multicurves);
    final double strikeModified = METHOD_SWAP.couponEquivalent(swaption.getUnderlyingSwap(), pvbpModified, multicurves);
    final double maturity = swaption.getMaturityTime();
    // Derivative of the forward and pvbp with respect to the rates.
    final MulticurveSensitivity pvbpModifiedDr = METHOD_SWAP.presentValueBasisPointCurveSensitivity(swaption.getUnderlyingSwap(), dayCountModification, multicurves);
    final MulticurveSensitivity forwardModifiedDr = PRCSDC.visitFixedCouponSwap(swaption.getUnderlyingSwap(), dayCountModification, multicurves);
    // Implementation note: option required to pass the strike (in case the swap has non-constant coupon).
    final EuropeanVanillaOption option = new EuropeanVanillaOption(strikeModified, swaption.getTimeToExpiry(), swaption.isCall());

    // With extrapolation
    final DoublesPair expiryMaturity = new DoublesPair(swaption.getTimeToExpiry(), maturity);
    final double alpha = sabrData.getSABRParameter().getAlpha(expiryMaturity);
    final double beta = sabrData.getSABRParameter().getBeta(expiryMaturity);
    final double rho = sabrData.getSABRParameter().getRho(expiryMaturity);
    final double nu = sabrData.getSABRParameter().getNu(expiryMaturity);
    final SABRFormulaData sabrParam = new SABRFormulaData(alpha, beta, rho, nu);
    final SABRExtrapolationRightFunction sabrExtrapolation = new SABRExtrapolationRightFunction(forwardModified, sabrParam, _cutOffStrike, swaption.getTimeToExpiry(), _mu);
    MulticurveSensitivity result = pvbpModifiedDr.multipliedBy(sabrExtrapolation.price(option));
    final double priceDF = sabrExtrapolation.priceDerivativeForward(option);
    result = result.plus(forwardModifiedDr.multipliedBy(pvbpModified * priceDF));
    if (!swaption.isLong()) {
      result = result.multipliedBy(-1);
    }
    return MultipleCurrencyMulticurveSensitivity.of(ccy, result);
  }
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    final double pvbpModified = METHOD_SWAP.presentValueBasisPoint(swaption.getUnderlyingSwap(), dayCountModification, sabrData.getMulticurveProvider());
    final double forwardModified = PRDC.visitFixedCouponSwap(swaption.getUnderlyingSwap(), dayCountModification, sabrData.getMulticurveProvider());
    final double strikeModified = METHOD_SWAP.couponEquivalent(swaption.getUnderlyingSwap(), pvbpModified, sabrData.getMulticurveProvider());
    final double maturity = swaption.getMaturityTime();
    // Derivative of the forward and pvbp with respect to the rates.
    final MulticurveSensitivity pvbpModifiedDr = METHOD_SWAP.presentValueBasisPointCurveSensitivity(swaption.getUnderlyingSwap(), dayCountModification, sabrData.getMulticurveProvider());
    final MulticurveSensitivity forwardModifiedDr = PRCSDC.visitFixedCouponSwap(swaption.getUnderlyingSwap(), dayCountModification, sabrData.getMulticurveProvider());
    // Implementation note: strictly speaking, the strike equivalent is curve dependent; that dependency is ignored.
    final EuropeanVanillaOption option = new EuropeanVanillaOption(strikeModified, swaption.getTimeToExpiry(), swaption.isCall());
    // Implementation note: option required to pass the strike (in case the swap has non-constant coupon).
    final BlackPriceFunction blackFunction = new BlackPriceFunction();
    final double[] volatilityAdjoint = sabrData.getSABRParameter().getVolatilityAdjoint(swaption.getTimeToExpiry(), maturity, strikeModified, forwardModified);
    final BlackFunctionData dataBlack = new BlackFunctionData(forwardModified, 1.0, volatilityAdjoint[0]);
    final double[] bsAdjoint = blackFunction.getPriceAdjoint(option, dataBlack);
    MulticurveSensitivity result = pvbpModifiedDr.multipliedBy(bsAdjoint[0]);
    result = result.plus(forwardModifiedDr.multipliedBy(pvbpModified * (bsAdjoint[1] + bsAdjoint[2] * volatilityAdjoint[1])));
    if (!swaption.isLong()) {
      result = result.multipliedBy(-1);
    }
    return MultipleCurrencyMulticurveSensitivity.of(swaption.getCurrency(), result);
  }
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    final double[] volatilityAdjoint = sabrData.getSABRParameter().getVolatilityAdjoint(swaption.getTimeToExpiry(), maturity, strikeModified, forwardModified);
    final BlackFunctionData dataBlack = new BlackFunctionData(forwardModified, 1.0, volatilityAdjoint[0]);
    final Function1D<BlackFunctionData, Double> func = blackFunction.getPriceFunction(option);
    final MultipleCurrencyAmount pv = MultipleCurrencyAmount.of(swaption.getCurrency(), pvbpModified * func.evaluate(dataBlack) * (swaption.isLong() ? 1.0 : -1.0));
    // Curve sensitivity
    final MulticurveSensitivity pvbpModifiedDr = METHOD_SWAP.presentValueBasisPointCurveSensitivity(swaption.getUnderlyingSwap(), dayCountModification, sabrData.getMulticurveProvider());
    final MulticurveSensitivity forwardModifiedDr = PRCSDC.visitFixedCouponSwap(swaption.getUnderlyingSwap(), dayCountModification, sabrData.getMulticurveProvider());
    final double[] bsAdjoint = blackFunction.getPriceAdjoint(option, dataBlack);
    MulticurveSensitivity result = pvbpModifiedDr.multipliedBy(bsAdjoint[0]);
    result = result.plus(forwardModifiedDr.multipliedBy(pvbpModified * (bsAdjoint[1] + bsAdjoint[2] * volatilityAdjoint[1])));
    if (!swaption.isLong()) {
      result = result.multipliedBy(-1);
    }
    final MultipleCurrencyMulticurveSensitivity pvcs = MultipleCurrencyMulticurveSensitivity.of(swaption.getCurrency(), result);
    // SABR sensitivity
    final PresentValueSABRSensitivityDataBundle pvss = new PresentValueSABRSensitivityDataBundle();
    final DoublesPair expiryMaturity = new DoublesPair(swaption.getTimeToExpiry(), maturity);
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    final MulticurveProviderInterface multicurves = sabrData.getMulticurveProvider();
    final Currency ccy = swaption.getCurrency();
    final AnnuityCouponFixed annuityFixed = swaption.getUnderlyingSwap().getFixedLeg();
    final double forward = swaption.getUnderlyingSwap().accept(PRDC, multicurves);
    // Derivative of the forward with respect to the rates.
    final MulticurveSensitivity forwardDr = swaption.getUnderlyingSwap().accept(PRCSDC, multicurves);
    final double pvbp = METHOD_SWAP.getAnnuityCash(swaption.getUnderlyingSwap(), forward);
    // Derivative of the annuity with respect to the forward.
    final double pvbpDf = METHOD_SWAP.getAnnuityCashDerivative(swaption.getUnderlyingSwap(), forward);
    final double discountFactorSettle = multicurves.getDiscountFactor(ccy, swaption.getSettlementTime());
    final double maturity = annuityFixed.getNthPayment(annuityFixed.getNumberOfPayments() - 1).getPaymentTime() - swaption.getSettlementTime();
    // Implementation note: option required to pass the strike (in case the swap has non-constant coupon).
    final double dfDr = -swaption.getSettlementTime() * discountFactorSettle;
    final List<DoublesPair> list = new ArrayList<>();
    list.add(new DoublesPair(swaption.getSettlementTime(), dfDr));
    final Map<String, List<DoublesPair>> resultMap = new HashMap<>();
    resultMap.put(multicurves.getName(ccy), list);
    MulticurveSensitivity result = MulticurveSensitivity.ofYieldDiscounting(resultMap);
    final DoublesPair expiryMaturity = new DoublesPair(swaption.getTimeToExpiry(), maturity);
    final double alpha = sabrData.getSABRParameter().getAlpha(expiryMaturity);
    final double beta = sabrData.getSABRParameter().getBeta(expiryMaturity);
    final double rho = sabrData.getSABRParameter().getRho(expiryMaturity);
    final double nu = sabrData.getSABRParameter().getNu(expiryMaturity);
    final SABRFormulaData sabrParam = new SABRFormulaData(alpha, beta, rho, nu);
    final SABRExtrapolationRightFunction sabrExtrapolation = new SABRExtrapolationRightFunction(forward, sabrParam, _cutOffStrike, swaption.getTimeToExpiry(), _mu);
    final double price = sabrExtrapolation.price(swaption);
    result = result.multipliedBy(pvbp * price);
    result = result.plus(forwardDr.multipliedBy(discountFactorSettle * (pvbpDf * price + pvbp * sabrExtrapolation.priceDerivativeForward(swaption))));
    if (!swaption.isLong()) {
      result = result.multipliedBy(-1);
    }
    return MultipleCurrencyMulticurveSensitivity.of(ccy, result);
  }
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   */
  public SimpleParameterSensitivity calculateSensitivity(final InstrumentDerivative instrument, final DATA_TYPE multicurves, final Set<String> curvesSet) {
    Validate.notNull(instrument, "null InterestRateDerivative");
    Validate.notNull(multicurves, "null multicurve");
    Validate.notNull(curvesSet, "null curves set");
    MulticurveSensitivity sensitivity = instrument.accept(_curveSensitivityCalculator, multicurves);
    sensitivity = sensitivity.cleaned(); // TODO: for testing purposes mainly. Could be removed after the tests.
    return pointToParameterSensitivity(sensitivity, multicurves, curvesSet);
  }
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      if (priceFromBond[loopbasket] < priceMin) {
        priceMin = priceFromBond[loopbasket];
        indexCTD = loopbasket;
      }
    }
    MulticurveSensitivity result = BOND_METHOD.dirtyPriceCurveSensitivity(future.getDeliveryBasket()[indexCTD], issuerMulticurves);
    return result.multipliedBy(1.0 / future.getConversionFactor()[indexCTD]);
  }
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   * @param issuerMulticurves The issuer and multi-curves provider.
   * @return The present value rate sensitivity.
   */
  public MultipleCurrencyMulticurveSensitivity presentValueCurveSensitivity(final BondFuture future, final IssuerProviderInterface issuerMulticurves) {
    Currency ccy = future.getCurrency();
    final MulticurveSensitivity priceSensitivity = priceCurveSensitivity(future, issuerMulticurves);
    final MultipleCurrencyMulticurveSensitivity transactionSensitivity = MultipleCurrencyMulticurveSensitivity.of(ccy, priceSensitivity.multipliedBy(future.getNotional()));
    return transactionSensitivity;
  }
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    final double dfEndBar = bill.getNotional() * pvBar;
    final Map<String, List<DoublesPair>> resultMapCredit = new HashMap<>();
    final List<DoublesPair> listDiscounting = new ArrayList<>();
    listDiscounting.add(new DoublesPair(bill.getEndTime(), -bill.getEndTime() * dfEnd * dfEndBar));
    resultMapCredit.put(issuer.getName(bill.getIssuerCcy()), listDiscounting);
    final MulticurveSensitivity result = MulticurveSensitivity.ofYieldDiscounting(resultMapCredit);
    return MultipleCurrencyMulticurveSensitivity.of(bill.getCurrency(), result);
  }
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