Package com.opengamma.analytics.financial.montecarlo.provider

Examples of com.opengamma.analytics.financial.montecarlo.provider.HullWhiteMonteCarloMethod

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    _nbPath = nbPath;
  }

  @Override
  public MultipleCurrencyAmount visitAnnuityCouponIborRatchet(final AnnuityCouponIborRatchet annuity, final HullWhiteOneFactorProviderInterface hullWhite) {
    HullWhiteMonteCarloMethod methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), _nbPath);
    return methodMC.presentValue(annuity, annuity.getCurrency(), hullWhite);
  }
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    calibrationEngine.addInstrument(swaption, PVSSC);
    // Calibration
    calibrationEngine.calibrate(sabrData);
    final HullWhiteOneFactorProvider hwMulticurves = new HullWhiteOneFactorProvider(sabrData.getMulticurveProvider(), hwParameters, ccy);
    // Pricing
    final HullWhiteMonteCarloMethod methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), DEFAULT_NB_PATH);
    return methodMC.presentValue(swaption, ccy, hwMulticurves);
  }
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    _nbPath = nbPath;
  }

  @Override
  public MultipleCurrencyMulticurveSensitivity visitAnnuityCouponIborRatchet(final AnnuityCouponIborRatchet annuity, final HullWhiteOneFactorProviderInterface hullWhite) {
    HullWhiteMonteCarloMethod methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), _nbPath);
    return methodMC.presentValueCurveSensitivity(annuity, annuity.getCurrency(), hullWhite);
  }
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  @Test(enabled = true)
  /**
   * Compare explicit formula with Monte-Carlo and long/short and payer/receiver parities.
   */
  public void presentValueMonteCarlo() {
    HullWhiteMonteCarloMethod methodMC;
    methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH);
    // Seed fixed to the DEFAULT_SEED for testing purposes.
    final MultipleCurrencyAmount pvPayerLongExplicit = METHOD_HW.presentValue(SWAPTION_LONG_PAYER, HW_MULTICURVES);
    final MultipleCurrencyAmount pvPayerLongMC = methodMC.presentValue(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES);
    assertEquals("Swaption physical - Hull-White - Monte Carlo", pvPayerLongExplicit.getAmount(EUR), pvPayerLongMC.getAmount(EUR), 1.0E+4);
    final double pvMCPreviousRun = 4221400.891;
    assertEquals("Swaption physical - Hull-White - Monte Carlo", pvMCPreviousRun, pvPayerLongMC.getAmount(EUR), TOLERANCE_PV);
    methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH);
    final MultipleCurrencyAmount pvPayerShortMC = methodMC.presentValue(SWAPTION_SHORT_PAYER, EUR, HW_MULTICURVES);
    assertEquals("Swaption physical - Hull-White - Monte Carlo", -pvPayerLongMC.getAmount(EUR), pvPayerShortMC.getAmount(EUR), TOLERANCE_PV);
    final MultipleCurrencyAmount pvReceiverLongMC = methodMC.presentValue(SWAPTION_LONG_RECEIVER, EUR, HW_MULTICURVES);
    final MultipleCurrencyAmount pvSwap = SWAP_RECEIVER.accept(PVDC, MULTICURVES);
    assertEquals("Swaption physical - Hull-White - Monte Carlo - payer/receiver/swap parity", pvReceiverLongMC.getAmount(EUR) + pvPayerShortMC.getAmount(EUR), pvSwap.getAmount(EUR), 1.0E+5);
  }
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   * Tests the curve sensitivity in Monte Carlo approach.
   */
  public void presentValueCurveSensitivityMonteCarlo() {
    final double toleranceDelta = 1.0E+6; // 100 USD by bp
    final MultipleCurrencyMulticurveSensitivity pvcsExplicit = METHOD_HW.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES).cleaned(TOLERANCE_PV_DELTA);
    final HullWhiteMonteCarloMethod methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH);
    final MultipleCurrencyMulticurveSensitivity pvcsMC = methodMC.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES).cleaned(TOLERANCE_PV_DELTA);
    AssertSensivityObjects.assertEquals("Swaption physical - Hull-White - presentValueCurveSensitivity - payer/receiver/swap parity", pvcsExplicit, pvcsMC, toleranceDelta);
  }
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    long startTime, endTime;
    final int nbTest = 25;
    MultipleCurrencyAmount pvMC = MultipleCurrencyAmount.of(EUR, 0.0);
    final MultipleCurrencyMulticurveSensitivity pvcsExplicit = METHOD_HW.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, HW_MULTICURVES);
    MultipleCurrencyMulticurveSensitivity pvcsMC = pvcsExplicit;
    final HullWhiteMonteCarloMethod methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH);

    startTime = System.currentTimeMillis();
    for (int looptest = 0; looptest < nbTest; looptest++) {
      pvMC = METHOD_HW_MONTECARLO.presentValue(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES);
    }
    endTime = System.currentTimeMillis();
    System.out.println(nbTest + " swaption Hull-White Monte Carlo method (" + NB_PATH + " paths): " + (endTime - startTime) + " ms / price:" + pvMC.toString());
    // Performance note: HW approximation: 03-Dec-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 250 ms for 25 swaptions (12500 paths).
    startTime = System.currentTimeMillis();
    for (int looptest = 0; looptest < nbTest; looptest++) {
      pvcsMC = methodMC.presentValueCurveSensitivity(SWAPTION_LONG_PAYER, EUR, HW_MULTICURVES);
    }
    endTime = System.currentTimeMillis();
    System.out.println(nbTest + " curve sensitivity swaption Hull-White MC method: (" + NB_PATH + " paths) " + (endTime - startTime) + " ms / risk:" + pvcsMC.toString());
    // Performance note: curve sensitivity (40): 03-Dec-2012: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 600 ms for 25 swaptions (12500 paths).
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  @Test(enabled = true)
  /**
   * Compare explicit formula with Monte-Carlo and long/short and payer/receiver parities.
   */
  public void monteCarlo() {
    HullWhiteMonteCarloMethod methodMC;
    methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), 10 * NB_PATH);
    // Seed fixed to the DEFAULT_SEED for testing purposes.
    final MultipleCurrencyAmount pvExplicit = METHOD_HW.presentValue(CAP_LONG, HW_MULTICURVES);
    final MultipleCurrencyAmount pvMC = methodMC.presentValue(CAP_LONG, EUR, HW_MULTICURVES);
    assertEquals("Cap/floor - Hull-White - Monte Carlo", pvExplicit.getAmount(EUR), pvMC.getAmount(EUR), 5.0E+2);
    final double pvMCPreviousRun = 136707.032;
    assertEquals("Swaption physical - Hull-White - Monte Carlo", pvMCPreviousRun, pvMC.getAmount(EUR), TOLERANCE_PV);
    methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), 10 * NB_PATH);
    final MultipleCurrencyAmount pvShortMC = methodMC.presentValue(CAP_SHORT, EUR, HW_MULTICURVES);
    assertEquals("Swaption physical - Hull-White - Monte Carlo", -pvMC.getAmount(EUR), pvShortMC.getAmount(EUR), TOLERANCE_PV);
  }
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   * Performance for a high number of paths.
   */
  public void performance() {
    long startTime, endTime;
    final MultipleCurrencyAmount pvExplicit = METHOD_HW.presentValue(CAP_LONG, HW_MULTICURVES);
    HullWhiteMonteCarloMethod methodMC;
    final int nbPath = 1000000;
    methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), nbPath);
    final int nbTest = 10;
    final double[] pv = new double[nbTest];
    final double[] pvDiff = new double[nbTest];

    startTime = System.currentTimeMillis();
    for (int looptest = 0; looptest < nbTest; looptest++) {
      pv[looptest] = methodMC.presentValue(CAP_LONG, EUR, HW_MULTICURVES).getAmount(EUR);
      pvDiff[looptest] = pv[looptest] - pvExplicit.getAmount(EUR);
    }
    endTime = System.currentTimeMillis();
    System.out.println(nbTest + " pv cap/floor Hull-White MC method (" + nbPath + " paths): " + (endTime - startTime) + " ms. Error: " + pvDiff[0]);
    // Performance note: price: 12-Jun-12: On Mac Pro 3.2 GHz Quad-Core Intel Xeon: 2400 ms for 10 cap with 1,000,000 paths.
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  @Test
  /**
   * Test the Ratchet present value in the case where the first coupon is fixed. Tested against a previous run number.
   */
  public void presentValueFixed() {
    HullWhiteMonteCarloMethod methodMC;
    methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH);
    // Seed fixed to the DEFAULT_SEED for testing purposes.
    final MultipleCurrencyAmount pvMC = methodMC.presentValue(ANNUITY_RATCHET_FIXED, CUR, HW_MULTICURVES);
    final double pvMCPreviousRun = 4658897.913;
    assertEquals("Annuity Ratchet Ibor - Hull-White - Monte Carlo", pvMCPreviousRun, pvMC.getAmount(CUR), TOLERANCE_PV);
  }
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  @Test
  public void presentValueIbor() {
    final ZonedDateTime referenceDate = DateUtils.getUTCDate(2011, 8, 18);
    final AnnuityCouponIborRatchet annuityRatchetIbor = ANNUITY_RATCHET_IBOR_DEFINITION.toDerivative(referenceDate, FIXING_TS);
    HullWhiteMonteCarloMethod methodMC;
    methodMC = new HullWhiteMonteCarloMethod(new NormalRandomNumberGenerator(0.0, 1.0, new MersenneTwister()), NB_PATH);
    // Seed fixed to the DEFAULT_SEED for testing purposes.
    final MultipleCurrencyAmount pvMC = methodMC.presentValue(annuityRatchetIbor, CUR, HW_MULTICURVES);
    final double pvMCPreviousRun = 4406845.218;
    assertEquals("Annuity Ratchet Ibor - Hull-White - Monte Carlo", pvMCPreviousRun, pvMC.getAmount(CUR), TOLERANCE_PV);
  }
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