public virtual void test_cloned()
{
IssuerCurveZeroRateSensitivity @base = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
IssuerCurveZeroRateSensitivity test = @base.cloned();
assertEquals(test, @base);
}
public virtual void test_mapSensitivity()
{
IssuerCurveZeroRateSensitivity @base = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
IssuerCurveZeroRateSensitivity expected = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, 1d / VALUE);
IssuerCurveZeroRateSensitivity test = @base.mapSensitivity(s => 1d / s);
assertEquals(test, expected);
}
public virtual void test_zeroRatePointSensitivity_USD()
{
IssuerCurveDiscountFactors @base = IssuerCurveDiscountFactors.of(DSC_FACTORS, GROUP);
IssuerCurveZeroRateSensitivity expected = IssuerCurveZeroRateSensitivity.of(DSC_FACTORS.zeroRatePointSensitivity(DATE_AFTER, USD), GROUP);
IssuerCurveZeroRateSensitivity computed = @base.zeroRatePointSensitivity(DATE_AFTER, USD);
assertEquals(computed, expected);
}
public virtual void test_createZeroRateSensitivity()
{
IssuerCurveZeroRateSensitivity @base = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GBP, GROUP, VALUE);
ZeroRateSensitivity expected = ZeroRateSensitivity.of(CURRENCY, YEARFRAC, GBP, VALUE);
ZeroRateSensitivity test = @base.createZeroRateSensitivity();
assertEquals(test, expected);
}
public virtual void test_buildInto()
{
IssuerCurveZeroRateSensitivity @base = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
MutablePointSensitivities combo = new MutablePointSensitivities();
MutablePointSensitivities test = @base.buildInto(combo);
assertSame(test, combo);
assertEquals(test.Sensitivities, ImmutableList.of(@base));
}
public int compareKey(PointSensitivity other)
{
if (other is IssuerCurveZeroRateSensitivity)
{
IssuerCurveZeroRateSensitivity otherZero = (IssuerCurveZeroRateSensitivity)other;
return(ComparisonChain.start().compare(curveCurrency, otherZero.curveCurrency).compare(currency, otherZero.currency).compare(yearFraction, otherZero.yearFraction).compare(legalEntityGroup, otherZero.legalEntityGroup).result());
}
return(this.GetType().Name.CompareTo(other.GetType().Name));
}
//-------------------------------------------------------------------------
public virtual void coverage()
{
IssuerCurveZeroRateSensitivity test1 = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
coverImmutableBean(test1);
IssuerCurveZeroRateSensitivity test2 = IssuerCurveZeroRateSensitivity.of(GBP, YEARFRAC2, LegalEntityGroup.of("ISSUER1"), 12d);
coverBeanEquals(test1, test2);
}
//-------------------------------------------------------------------------
public virtual void test_multipliedBy()
{
IssuerCurveZeroRateSensitivity @base = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
double rate = 2.4d;
IssuerCurveZeroRateSensitivity test = @base.multipliedBy(rate);
IssuerCurveZeroRateSensitivity expected = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE * rate);
assertEquals(test, expected);
}
public virtual void test_parameterSensitivity()
{
IssuerCurveDiscountFactors @base = IssuerCurveDiscountFactors.of(DSC_FACTORS, GROUP);
IssuerCurveZeroRateSensitivity sensi = @base.zeroRatePointSensitivity(DATE_AFTER, USD);
CurrencyParameterSensitivities computed = @base.parameterSensitivity(sensi);
CurrencyParameterSensitivities expected = DSC_FACTORS.parameterSensitivity(DSC_FACTORS.zeroRatePointSensitivity(DATE_AFTER, USD));
assertEquals(computed, expected);
}
//-------------------------------------------------------------------------
/// <summary>
/// Calculates the present value sensitivity of a single fixed coupon payment period.
/// <para>
/// The present value sensitivity of the period is the sensitivity of the present value to
/// the underlying curves.
///
/// </para>
/// </summary>
/// <param name="period"> the period to price </param>
/// <param name="discountFactors"> the discount factor provider </param>
/// <returns> the present value curve sensitivity of the period </returns>
public virtual PointSensitivityBuilder presentValueSensitivity(FixedCouponBondPaymentPeriod period, IssuerCurveDiscountFactors discountFactors)
{
if (period.PaymentDate.isBefore(discountFactors.ValuationDate))
{
return(PointSensitivityBuilder.none());
}
IssuerCurveZeroRateSensitivity dscSensi = discountFactors.zeroRatePointSensitivity(period.PaymentDate);
return(dscSensi.multipliedBy(period.FixedRate * period.Notional * period.YearFraction));
}
public virtual void test_of_withoutSensitivityCurrency()
{
IssuerCurveZeroRateSensitivity test = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
assertEquals(test.LegalEntityGroup, GROUP);
assertEquals(test.CurveCurrency, CURRENCY);
assertEquals(test.Currency, CURRENCY);
assertEquals(test.YearFraction, YEARFRAC);
assertEquals(test.Sensitivity, VALUE);
}
/// <summary>
/// Calculates the present value sensitivity of a single fixed coupon payment period with z-spread.
/// <para>
/// The z-spread is a parallel shift applied to continuously compounded rates or periodic
/// compounded rates of the discounting curve.
/// </para>
/// <para>
/// The present value sensitivity of the period is the sensitivity of the present value to
/// the underlying curves.
///
/// </para>
/// </summary>
/// <param name="period"> the period to price </param>
/// <param name="discountFactors"> the discount factor provider </param>
/// <param name="zSpread"> the z-spread </param>
/// <param name="compoundedRateType"> the compounded rate type </param>
/// <param name="periodsPerYear"> the number of periods per year </param>
/// <returns> the present value curve sensitivity of the period </returns>
public virtual PointSensitivityBuilder presentValueSensitivityWithSpread(FixedCouponBondPaymentPeriod period, IssuerCurveDiscountFactors discountFactors, double zSpread, CompoundedRateType compoundedRateType, int periodsPerYear)
{
if (period.PaymentDate.isBefore(discountFactors.ValuationDate))
{
return(PointSensitivityBuilder.none());
}
ZeroRateSensitivity zeroSensi = discountFactors.DiscountFactors.zeroRatePointSensitivityWithSpread(period.PaymentDate, zSpread, compoundedRateType, periodsPerYear);
IssuerCurveZeroRateSensitivity dscSensi = IssuerCurveZeroRateSensitivity.of(zeroSensi, discountFactors.LegalEntityGroup);
return(dscSensi.multipliedBy(period.FixedRate * period.Notional * period.YearFraction));
}
public virtual void presentValueSensitivity_zspread()
{
PointSensitivities sensiComputed = PRICER.presentValueSensitivityWithZSpread(BILL, PROVIDER, Z_SPREAD, CompoundedRateType.CONTINUOUS, 0);
PointSensitivities sensiExpected = IssuerCurveZeroRateSensitivity.of(DSC_FACTORS_ISSUER.zeroRatePointSensitivityWithSpread(MATURITY_DATE, Z_SPREAD, CompoundedRateType.CONTINUOUS, 0), GROUP_ISSUER).multipliedBy(NOTIONAL.Amount).build();
assertTrue(sensiComputed.equalWithTolerance(sensiExpected, TOLERANCE_PV));
CurrencyParameterSensitivities paramSensiComputed = PROVIDER.parameterSensitivity(sensiComputed);
CurrencyParameterSensitivities paramSensiExpected = FD_CALC.sensitivity(PROVIDER, p => PRICER.presentValueWithZSpread(BILL, p, Z_SPREAD, CompoundedRateType.CONTINUOUS, 0));
assertTrue(paramSensiComputed.equalWithTolerance(paramSensiExpected, EPS * NOTIONAL_AMOUNT));
}
public virtual void test_withSensitivity()
{
IssuerCurveZeroRateSensitivity @base = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
double newValue = 53d;
IssuerCurveZeroRateSensitivity test = @base.withSensitivity(newValue);
assertEquals(test.LegalEntityGroup, GROUP);
assertEquals(test.CurveCurrency, CURRENCY);
assertEquals(test.Currency, CURRENCY);
assertEquals(test.YearFraction, YEARFRAC);
assertEquals(test.Sensitivity, newValue);
}
public virtual void test_curveParameterSensitivity()
{
ImmutableLegalEntityDiscountingProvider test = ImmutableLegalEntityDiscountingProvider.builder().issuerCurves(ImmutableMap.of(Pair.of(GROUP_ISSUER, GBP), DSC_FACTORS_ISSUER)).issuerCurveGroups(ImmutableMap.of(ID_ISSUER, GROUP_ISSUER)).repoCurves(ImmutableMap.of(Pair.of(GROUP_REPO_ISSUER, GBP), DSC_FACTORS_REPO)).repoCurveGroups(ImmutableMap.of(ID_ISSUER, GROUP_REPO_ISSUER)).valuationDate(DATE).build();
LocalDate refDate = date(2018, 11, 24);
IssuerCurveZeroRateSensitivity sensi1 = test.issuerCurveDiscountFactors(ID_ISSUER, GBP).zeroRatePointSensitivity(refDate, GBP);
RepoCurveZeroRateSensitivity sensi2 = test.repoCurveDiscountFactors(ID_SECURITY, ID_ISSUER, GBP).zeroRatePointSensitivity(refDate, GBP);
PointSensitivities sensi = PointSensitivities.of(sensi1, sensi2);
CurrencyParameterSensitivities computed = test.parameterSensitivity(sensi);
CurrencyParameterSensitivities expected = DSC_FACTORS_ISSUER.parameterSensitivity(sensi1.createZeroRateSensitivity()).combinedWith(DSC_FACTORS_REPO.parameterSensitivity(sensi2.createZeroRateSensitivity()));
assertTrue(computed.equalWithTolerance(expected, 1.0e-12));
}
public virtual void test_of_zeroRateSensitivity()
{
Currency sensiCurrency = GBP;
ZeroRateSensitivity zeroSensi = ZeroRateSensitivity.of(CURRENCY, YEARFRAC, sensiCurrency, VALUE);
IssuerCurveZeroRateSensitivity test = IssuerCurveZeroRateSensitivity.of(zeroSensi, GROUP);
assertEquals(test.LegalEntityGroup, GROUP);
assertEquals(test.CurveCurrency, CURRENCY);
assertEquals(test.Currency, sensiCurrency);
assertEquals(test.YearFraction, YEARFRAC);
assertEquals(test.Sensitivity, VALUE);
}
//-----------------------------------------------------------------------
public override bool Equals(object obj)
{
if (obj == this)
{
return(true);
}
if (obj != null && obj.GetType() == this.GetType())
{
IssuerCurveZeroRateSensitivity other = (IssuerCurveZeroRateSensitivity)obj;
return(JodaBeanUtils.equal(curveCurrency, other.curveCurrency) && JodaBeanUtils.equal(yearFraction, other.yearFraction) && JodaBeanUtils.equal(currency, other.currency) && JodaBeanUtils.equal(legalEntityGroup, other.legalEntityGroup) && JodaBeanUtils.equal(sensitivity, other.sensitivity));
}
return(false);
}
/// <summary>
/// Calculates the present value sensitivity of the bill product with z-spread.
/// <para>
/// The present value sensitivity of the product is the sensitivity of the present value to
/// the underlying curves.
/// </para>
/// <para>
/// The z-spread is a parallel shift applied to continuously compounded rates or
/// periodic compounded rates of the issuer discounting curve.
///
/// </para>
/// </summary>
/// <param name="bill"> the product </param>
/// <param name="provider"> the discounting provider </param>
/// <param name="zSpread"> the z-spread </param>
/// <param name="compoundedRateType"> the compounded rate type </param>
/// <param name="periodsPerYear"> the number of periods per year </param>
/// <returns> the present value curve sensitivity of the product </returns>
public virtual PointSensitivities presentValueSensitivityWithZSpread(ResolvedBill bill, LegalEntityDiscountingProvider provider, double zSpread, CompoundedRateType compoundedRateType, int periodsPerYear)
{
if (provider.ValuationDate.isAfter(bill.Notional.Date))
{
return(PointSensitivities.empty());
}
IssuerCurveDiscountFactors issuerDf = issuerCurveDf(bill, provider);
double dfEndBar = bill.Notional.Amount;
ZeroRateSensitivity zeroSensMaturity = issuerDf.DiscountFactors.zeroRatePointSensitivityWithSpread(bill.Notional.Date, zSpread, compoundedRateType, periodsPerYear);
IssuerCurveZeroRateSensitivity dscSensMaturity = IssuerCurveZeroRateSensitivity.of(zeroSensMaturity, issuerDf.LegalEntityGroup).multipliedBy(dfEndBar);
return(dscSensMaturity.build());
}
public virtual void test_convertedTo()
{
IssuerCurveZeroRateSensitivity @base = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
double rate = 1.5d;
FxMatrix matrix = FxMatrix.of(CurrencyPair.of(GBP, USD), rate);
IssuerCurveZeroRateSensitivity test1 = @base.convertedTo(USD, matrix);
assertEquals(test1, @base);
IssuerCurveZeroRateSensitivity test2 = @base.convertedTo(GBP, matrix);
IssuerCurveZeroRateSensitivity expected = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GBP, GROUP, VALUE / rate);
assertEquals(test2, expected);
}
/// <summary>
/// Calculates the present value sensitivity of a single payment period with z-spread.
/// <para>
/// The present value sensitivity of the period is the sensitivity of the present value to
/// the underlying curves.
///
/// </para>
/// </summary>
/// <param name="period"> the period to price </param>
/// <param name="ratesProvider"> the rates provider, used to determine price index values </param>
/// <param name="issuerDiscountFactors"> the discount factor provider </param>
/// <param name="zSpread"> the z-spread </param>
/// <param name="compoundedRateType"> the compounded rate type </param>
/// <param name="periodsPerYear"> the number of periods per year </param>
/// <returns> the present value curve sensitivity of the period </returns>
public virtual PointSensitivityBuilder presentValueSensitivityWithZSpread(CapitalIndexedBondPaymentPeriod period, RatesProvider ratesProvider, IssuerCurveDiscountFactors issuerDiscountFactors, double zSpread, CompoundedRateType compoundedRateType, int periodsPerYear)
{
if (period.PaymentDate.isBefore(ratesProvider.ValuationDate))
{
return(PointSensitivityBuilder.none());
}
double rate = rateComputationFn.rate(period.RateComputation, period.StartDate, period.EndDate, ratesProvider);
PointSensitivityBuilder rateSensi = rateComputationFn.rateSensitivity(period.RateComputation, period.StartDate, period.EndDate, ratesProvider);
double df = issuerDiscountFactors.DiscountFactors.discountFactorWithSpread(period.PaymentDate, zSpread, compoundedRateType, periodsPerYear);
ZeroRateSensitivity zeroSensi = issuerDiscountFactors.DiscountFactors.zeroRatePointSensitivityWithSpread(period.PaymentDate, zSpread, compoundedRateType, periodsPerYear);
IssuerCurveZeroRateSensitivity dfSensi = IssuerCurveZeroRateSensitivity.of(zeroSensi, issuerDiscountFactors.LegalEntityGroup);
double factor = period.Notional * period.RealCoupon;
return(rateSensi.multipliedBy(df * factor).combinedWith(dfSensi.multipliedBy((rate + 1d) * factor)));
}
public virtual void test_compareKey()
{
IssuerCurveZeroRateSensitivity a1 = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
IssuerCurveZeroRateSensitivity a2 = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
IssuerCurveZeroRateSensitivity b = IssuerCurveZeroRateSensitivity.of(GBP, YEARFRAC, GROUP, VALUE);
IssuerCurveZeroRateSensitivity c = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC2, GROUP, VALUE);
IssuerCurveZeroRateSensitivity d = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, LegalEntityGroup.of("ISSUER2"), VALUE);
IborRateSensitivity other = IborRateSensitivity.of(IborIndexObservation.of(GBP_LIBOR_3M, date(2015, 8, 27), REF_DATA), 32d);
assertEquals(a1.compareKey(a2), 0);
assertEquals(a1.compareKey(b) > 0, true);
assertEquals(b.compareKey(a1) < 0, true);
assertEquals(a1.compareKey(c) < 0, true);
assertEquals(c.compareKey(a1) > 0, true);
assertEquals(a1.compareKey(d) < 0, true);
assertEquals(d.compareKey(a1) > 0, true);
assertEquals(a1.compareKey(other) > 0, true);
assertEquals(other.compareKey(a1) < 0, true);
}
//-------------------------------------------------------------------------
public CurrencyParameterSensitivities parameterSensitivity(PointSensitivities pointSensitivities)
{
CurrencyParameterSensitivities sens = CurrencyParameterSensitivities.empty();
foreach (PointSensitivity point in pointSensitivities.Sensitivities)
{
if (point is RepoCurveZeroRateSensitivity)
{
RepoCurveZeroRateSensitivity pt = (RepoCurveZeroRateSensitivity)point;
RepoCurveDiscountFactors factors = repoCurveDiscountFactors(pt.RepoGroup, pt.CurveCurrency);
sens = sens.combinedWith(factors.parameterSensitivity(pt));
}
else if (point is IssuerCurveZeroRateSensitivity)
{
IssuerCurveZeroRateSensitivity pt = (IssuerCurveZeroRateSensitivity)point;
IssuerCurveDiscountFactors factors = issuerCurveDiscountFactors(pt.LegalEntityGroup, pt.CurveCurrency);
sens = sens.combinedWith(factors.parameterSensitivity(pt));
}
}
return(sens);
}
public virtual void test_serialization()
{
IssuerCurveZeroRateSensitivity test = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
assertSerialization(test);
}
/// <summary>
/// Calculates the zero rate point sensitivity at the specified date specifying the currency of the sensitivity.
/// <para>
/// This returns a sensitivity instance referring to the zero rate sensitivity of the curve
/// used to determine the discount factor.
/// The sensitivity typically has the value {@code (-discountFactor * relativeYearFraction)}.
/// The sensitivity refers to the result of <seealso cref="#discountFactor(LocalDate)"/>.
/// </para>
/// <para>
/// This method allows the currency of the sensitivity to differ from the currency of the curve.
///
/// </para>
/// </summary>
/// <param name="date"> the date to discount to </param>
/// <param name="sensitivityCurrency"> the currency of the sensitivity </param>
/// <returns> the point sensitivity of the zero rate </returns>
/// <exception cref="RuntimeException"> if the result cannot be calculated </exception>
public IssuerCurveZeroRateSensitivity zeroRatePointSensitivity(LocalDate date, Currency sensitivityCurrency)
{
ZeroRateSensitivity zeroRateSensitivity = discountFactors.zeroRatePointSensitivity(date, sensitivityCurrency);
return(IssuerCurveZeroRateSensitivity.of(zeroRateSensitivity, legalEntityGroup));
}
/// <summary>
/// Calculates the curve parameter sensitivity from the point sensitivity.
/// <para>
/// This is used to convert a single point sensitivity to curve parameter sensitivity.
/// The calculation typically involves multiplying the point and unit sensitivities.
///
/// </para>
/// </summary>
/// <param name="pointSensitivity"> the point sensitivity to convert </param>
/// <returns> the parameter sensitivity </returns>
/// <exception cref="RuntimeException"> if the result cannot be calculated </exception>
public CurrencyParameterSensitivities parameterSensitivity(IssuerCurveZeroRateSensitivity pointSensitivity)
{
return(discountFactors.parameterSensitivity(pointSensitivity.createZeroRateSensitivity()));
}
