public virtual void test_accruedYearFraction()
{
double eps = 1.0e-15;
ResolvedCdsIndex test = ResolvedCdsIndex.builder().buySell(BUY).dayCount(ACT_360).cdsIndexId(INDEX_ID).legalEntityIds(LEGAL_ENTITIES).paymentOnDefault(ACCRUED_PREMIUM).protectionStart(BEGINNING).paymentPeriods(PAYMENTS).protectionEndDate(PAYMENTS[PAYMENTS.Count - 1].EffectiveEndDate).settlementDateOffset(SETTLE_DAY_ADJ).stepinDateOffset(STEPIN_DAY_ADJ).build();
double accStart = test.accruedYearFraction(START_DATE.minusDays(1));
double accNextMinusOne = test.accruedYearFraction(START_DATE.plusMonths(3).minusDays(1));
double accNext = test.accruedYearFraction(START_DATE.plusMonths(3));
double accNextOne = test.accruedYearFraction(START_DATE.plusMonths(3).plusDays(1));
double accMod = test.accruedYearFraction(START_DATE.plusYears(1));
double accEnd = test.accruedYearFraction(END_DATE);
double accEndOne = test.accruedYearFraction(END_DATE.plusDays(1));
assertEquals(accStart, 0d);
assertEquals(accNext, 0d);
assertEquals(accNextMinusOne, ACT_360.relativeYearFraction(START_DATE, START_DATE.plusMonths(3).minusDays(1)), eps);
assertEquals(accNextOne, 1d / 360d, eps);
// 2.x
assertEquals(accMod, 0.24722222222222223, eps);
assertEquals(accEnd, 0.25555555555555554, eps);
assertEquals(accEndOne, 0.25833333333333336, eps);
}
//-------------------------------------------------------------------------
// creates a simple provider
private SimpleRatesProvider createProvider(FxResetNotionalExchange ne)
{
LocalDate paymentDate = ne.PaymentDate;
double paymentTime = ACT_360.relativeYearFraction(VAL_DATE, paymentDate);
Currency currency = ne.Currency;
DiscountFactors mockDf = mock(typeof(DiscountFactors));
when(mockDf.discountFactor(paymentDate)).thenReturn(DISCOUNT_FACTOR);
ZeroRateSensitivity sens = ZeroRateSensitivity.of(currency, paymentTime, -DISCOUNT_FACTOR * paymentTime);
when(mockDf.zeroRatePointSensitivity(paymentDate)).thenReturn(sens);
FxIndexRates mockFxRates = mock(typeof(FxIndexRates));
when(mockFxRates.rate(ne.Observation, ne.ReferenceCurrency)).thenReturn(FX_RATE);
SimpleRatesProvider prov = new SimpleRatesProvider(VAL_DATE);
prov.DiscountFactors = mockDf;
prov.FxIndexRates = mockFxRates;
prov.DayCount = ACT_360;
return(prov);
}
public virtual void test_volatilities()
{
BlackFxOptionSmileVolatilitiesSpecification @base = BlackFxOptionSmileVolatilitiesSpecification.builder().name(VOL_NAME).currencyPair(EUR_GBP).dayCount(ACT_360).nodes(NODES).timeInterpolator(PCHIP).strikeInterpolator(PCHIP).build();
LocalDate date = LocalDate.of(2017, 9, 25);
ZonedDateTime dateTime = date.atStartOfDay().atZone(ZoneId.of("Europe/London"));
DoubleArray parameters = DoubleArray.of(0.05, -0.05, 0.15, 0.25, 0.1, -0.1);
BlackFxOptionSmileVolatilities computed = @base.volatilities(dateTime, parameters, REF_DATA);
LocalDate spotDate = SPOT_OFFSET.adjust(dateTime.toLocalDate(), REF_DATA);
DaysAdjustment expOffset = DaysAdjustment.ofBusinessDays(-2, TA_LO);
DoubleArray expiries = DoubleArray.of(ACT_360.relativeYearFraction(date, expOffset.adjust(BUS_ADJ.adjust(spotDate.plus(Tenor.TENOR_3M), REF_DATA), REF_DATA)), ACT_360.relativeYearFraction(date, expOffset.adjust(BUS_ADJ.adjust(spotDate.plus(Tenor.TENOR_1Y), REF_DATA), REF_DATA)));
SmileDeltaTermStructure smiles = InterpolatedStrikeSmileDeltaTermStructure.of(expiries, DoubleArray.of(0.1), DoubleArray.of(0.25, 0.15), DoubleMatrix.ofUnsafe(new double[][]
{
new double[] { -0.1 },
new double[] { -0.05 }
}), DoubleMatrix.ofUnsafe(new double[][]
{
new double[] { 0.1 },
new double[] { 0.05 }
}), ACT_360, PCHIP, FLAT, FLAT, PCHIP, FLAT, FLAT);
BlackFxOptionSmileVolatilities expected = BlackFxOptionSmileVolatilities.of(VOL_NAME, EUR_GBP, dateTime, smiles);
assertEquals(computed, expected);
}
static ResolvedCdsIndexTest()
{
int nDates = 44;
LocalDate[] dates = new LocalDate[nDates];
for (int i = 0; i < nDates; ++i)
{
dates[i] = START_DATE.plusMonths(3 * i);
}
for (int i = 0; i < nDates - 2; ++i)
{
LocalDate start = i == 0 ? dates[i] : BUSS_ADJ.adjust(dates[i], REF_DATA);
LocalDate end = BUSS_ADJ.adjust(dates[i + 1], REF_DATA);
PAYMENTS.Add(CreditCouponPaymentPeriod.builder().startDate(start).endDate(end).effectiveStartDate(start.minusDays(1)).effectiveEndDate(end.minusDays(1)).paymentDate(end).currency(USD).notional(NOTIONAL).fixedRate(COUPON).yearFraction(ACT_360.relativeYearFraction(start, end)).build());
}
LocalDate start = BUSS_ADJ.adjust(dates[nDates - 2], REF_DATA);
LocalDate end = dates[nDates - 1];
PAYMENTS.Add(CreditCouponPaymentPeriod.builder().startDate(start).endDate(end.plusDays(1)).effectiveStartDate(start.minusDays(1)).effectiveEndDate(end).paymentDate(BUSS_ADJ.adjust(end, REF_DATA)).currency(USD).notional(NOTIONAL).fixedRate(COUPON).yearFraction(ACT_360.relativeYearFraction(start, end.plusDays(1))).build());
}
public virtual void test_resolve()
{
BusinessDayAdjustment bussAdj = BusinessDayAdjustment.of(FOLLOWING, SAT_SUN);
ResolvedCds test = PRODUCT_STD.resolve(REF_DATA);
int nDates = 44;
LocalDate[] dates = new LocalDate[nDates];
for (int i = 0; i < nDates; ++i)
{
dates[i] = START_DATE.plusMonths(3 * i);
}
IList <CreditCouponPaymentPeriod> payments = new List <CreditCouponPaymentPeriod>(nDates - 1);
for (int i = 0; i < nDates - 2; ++i)
{
LocalDate start = i == 0 ? dates[i] : bussAdj.adjust(dates[i], REF_DATA);
LocalDate end = bussAdj.adjust(dates[i + 1], REF_DATA);
payments.Add(CreditCouponPaymentPeriod.builder().startDate(start).endDate(end).unadjustedStartDate(dates[i]).unadjustedEndDate(dates[i + 1]).effectiveStartDate(start.minusDays(1)).effectiveEndDate(end.minusDays(1)).paymentDate(end).currency(USD).notional(NOTIONAL).fixedRate(COUPON).yearFraction(ACT_360.relativeYearFraction(start, end)).build());
}
LocalDate start = bussAdj.adjust(dates[nDates - 2], REF_DATA);
LocalDate end = dates[nDates - 1];
payments.Add(CreditCouponPaymentPeriod.builder().startDate(start).endDate(end.plusDays(1)).unadjustedStartDate(dates[nDates - 2]).unadjustedEndDate(end).effectiveStartDate(start.minusDays(1)).effectiveEndDate(end).paymentDate(bussAdj.adjust(end, REF_DATA)).currency(USD).notional(NOTIONAL).fixedRate(COUPON).yearFraction(ACT_360.relativeYearFraction(start, end.plusDays(1))).build());
ResolvedCds expected = ResolvedCds.builder().buySell(BUY).legalEntityId(LEGAL_ENTITY).dayCount(ACT_360).paymentOnDefault(ACCRUED_PREMIUM).paymentPeriods(payments).protectionStart(BEGINNING).protectionEndDate(END_DATE).settlementDateOffset(SETTLE_DAY_ADJ).stepinDateOffset(STEPIN_DAY_ADJ).build();
assertEquals(test, expected);
}
public virtual void test_loadAllDates()
{
LocalDate sampleDate = ALL_DATES[3]; // 2017-04-21
ImmutableList <LocalDate> expDates = ImmutableList.of(LocalDate.of(2017, 0x7, 21), LocalDate.of(2017, 10, 0x7), LocalDate.of(2018, 4, 13), LocalDate.of(2019, 4, 12), LocalDate.of(2020, 3, 20), LocalDate.of(2021, 3, 19), LocalDate.of(2022, 3, 19), LocalDate.of(2023, 3, 17), LocalDate.of(2024, 6, 17), LocalDate.of(2025, 3, 18), LocalDate.of(2026, 3, 20), LocalDate.of(2027, 3, 20), LocalDate.of(2031, 12, 19), LocalDate.of(2037, 3, 17), LocalDate.of(2047, 3, 17), LocalDate.of(2056, 3, 17));
ImmutableList <string> expTenors = ImmutableList.of("3M", "6M", "1Y", "2Y", "3Y", "4Y", "5Y", "6Y", "7Y", "8Y", "9Y", "10Y", "15Y", "20Y", "30Y", "40Y");
RepoGroup repoGroup = RepoGroup.of("JP-REPO");
DoubleArray expRepoXValues = DoubleArray.of(3, n => ACT_365F.relativeYearFraction(sampleDate, expDates.get(n)));
DoubleArray expRepoYValues = DoubleArray.of(-0.0019521, -0.0016021, -0.0022521);
ImmutableList <LabelDateParameterMetadata> expRepoMetadata = IntStream.range(0, 3).mapToObj(n => LabelDateParameterMetadata.of(expDates.get(n), expTenors.get(n))).collect(Guavate.toImmutableList());
LegalEntityGroup legalEntityGroup = LegalEntityGroup.of("JP-GOVT");
DoubleArray expIssuerXValues = DoubleArray.of(expDates.size(), n => ACT_365F.relativeYearFraction(sampleDate, expDates.get(n)));
DoubleArray expIssuerYValues = DoubleArray.of(-0.0019511690511744527, -0.001497422302092893, -0.0021798583657932176, -0.002215700360912938, -0.0021722324679574866, -0.001922059591219172, -0.0015461646763548528, -0.0014835851245462084, -0.001118669580570464, -5.476767138782941E-4, -2.2155596172855965E-4, 2.0333291172821893E-5, 0.00284500423293463, 0.005876533417933958, 0.007957581583531789, 0.009134630405512047);
ImmutableList <LabelDateParameterMetadata> expIssuerMetadata = IntStream.range(0, expDates.size()).mapToObj(n => LabelDateParameterMetadata.of(expDates.get(n), expTenors.get(n))).collect(Guavate.toImmutableList());
ImmutableListMultimap <LocalDate, LegalEntityCurveGroup> allCurves = LegalEntityRatesCurvesCsvLoader.loadAllDates(ResourceLocator.of(GROUPS), ResourceLocator.of(SETTINGS), ImmutableList.of(ResourceLocator.of(CURVES_1), ResourceLocator.of(CURVES_2)));
//JAVA TO C# CONVERTER TODO TASK: There is no .NET equivalent to the java.util.Collection 'containsAll' method:
assertTrue(allCurves.Keys.containsAll(ALL_DATES));
ImmutableList <LegalEntityCurveGroup> groups = allCurves.get(sampleDate);
assertEquals(groups.size(), 2);
// group 0
LegalEntityCurveGroup group0 = groups.get(0);
assertEquals(group0.Name, CurveGroupName.of("Default1"));
// repo
assertEquals(group0.RepoCurves.size(), 1);
Curve repoCurve = group0.RepoCurves.get(Pair.of(repoGroup, JPY));
InterpolatedNodalCurve expectedRepoCurve = InterpolatedNodalCurve.of(Curves.zeroRates(CurveName.of("JP-REPO-1"), ACT_365F, expRepoMetadata), expRepoXValues, expRepoYValues, CurveInterpolators.LINEAR, CurveExtrapolators.FLAT, CurveExtrapolators.FLAT);
assertEquals(repoCurve, expectedRepoCurve);
// issuer
assertEquals(group0.IssuerCurves.size(), 2);
Curve issuerCurve = group0.IssuerCurves.get(Pair.of(legalEntityGroup, JPY));
InterpolatedNodalCurve expectedIssuerCurve = InterpolatedNodalCurve.of(Curves.zeroRates(CurveName.of("JP-GOVT-1"), ACT_365F, expIssuerMetadata), expIssuerXValues, expIssuerYValues, CurveInterpolators.LINEAR, CurveExtrapolators.FLAT, CurveExtrapolators.FLAT);
assertEquals(issuerCurve, expectedIssuerCurve);
Curve usIssuerCurve = group0.IssuerCurves.get(Pair.of(LegalEntityGroup.of("US-GOVT"), USD));
expectedIssuerCurve = InterpolatedNodalCurve.of(Curves.zeroRates(CurveName.of("US-GOVT"), ACT_360, expIssuerMetadata), DoubleArray.of(expDates.size(), n => ACT_360.relativeYearFraction(sampleDate, expDates.get(n))), expIssuerYValues, CurveInterpolators.NATURAL_SPLINE, CurveExtrapolators.FLAT, CurveExtrapolators.FLAT);
assertEquals(usIssuerCurve, expectedIssuerCurve);
// group 1
LegalEntityCurveGroup group1 = groups.get(1);
assertEquals(group1.Name, CurveGroupName.of("Default2"));
// repo
repoCurve = group1.RepoCurves.get(Pair.of(repoGroup, JPY));
expectedRepoCurve = InterpolatedNodalCurve.of(Curves.zeroRates(CurveName.of("JP-REPO-2"), ACT_365F, expRepoMetadata), expRepoXValues, expRepoYValues, CurveInterpolators.DOUBLE_QUADRATIC, CurveExtrapolators.LINEAR, CurveExtrapolators.LINEAR);
assertEquals(repoCurve, expectedRepoCurve);
// issuer
assertEquals(group1.IssuerCurves.size(), 1);
issuerCurve = group1.IssuerCurves.get(Pair.of(legalEntityGroup, JPY));
expectedIssuerCurve = InterpolatedNodalCurve.of(Curves.zeroRates(CurveName.of("JP-GOVT-2"), ACT_365F, expIssuerMetadata), expIssuerXValues, expIssuerYValues, CurveInterpolators.DOUBLE_QUADRATIC, CurveExtrapolators.LINEAR, CurveExtrapolators.LINEAR);
assertEquals(issuerCurve, expectedIssuerCurve);
}
public virtual void test_alphaAdjoint()
{
HullWhiteOneFactorPiecewiseConstantParametersProvider provider = HullWhiteOneFactorPiecewiseConstantParametersProvider.of(PARAMETERS, ACT_360, DATE_TIME);
LocalDate data1 = LocalDate.of(2015, 5, 20);
LocalDate data2 = LocalDate.of(2015, 8, 20);
LocalDate data3 = LocalDate.of(2015, 8, 20);
LocalDate data4 = LocalDate.of(2015, 8, 27);
ValueDerivatives computed = provider.alphaAdjoint(data1, data2, data3, data4);
ValueDerivatives expected = HullWhiteOneFactorPiecewiseConstantInterestRateModel.DEFAULT.alphaAdjoint(PARAMETERS, ACT_360.relativeYearFraction(VAL_DATE, data1), ACT_360.relativeYearFraction(VAL_DATE, data2), ACT_360.relativeYearFraction(VAL_DATE, data3), ACT_360.relativeYearFraction(VAL_DATE, data4));
assertEquals(computed, expected);
}
public virtual void test_futuresConvexityFactor()
{
HullWhiteOneFactorPiecewiseConstantParametersProvider provider = HullWhiteOneFactorPiecewiseConstantParametersProvider.of(PARAMETERS, ACT_360, DATE_TIME);
LocalDate data1 = LocalDate.of(2015, 5, 14);
LocalDate data2 = LocalDate.of(2015, 5, 20);
LocalDate data3 = LocalDate.of(2015, 8, 20);
double computed = provider.futuresConvexityFactor(data1, data2, data3);
double expected = HullWhiteOneFactorPiecewiseConstantInterestRateModel.DEFAULT.futuresConvexityFactor(PARAMETERS, ACT_360.relativeYearFraction(VAL_DATE, data1), ACT_360.relativeYearFraction(VAL_DATE, data2), ACT_360.relativeYearFraction(VAL_DATE, data3));
assertEquals(computed, expected);
}