public virtual void recovery_test_normal2_shift()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition definition = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(IborCapletFloorletVolatilitiesName.of("test"), USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, DOUBLE_QUADRATIC, ConstantCurve.of("Black shift", 0.02));
DoubleArray strikes = createNormalEquivStrikes();
RawOptionData data = RawOptionData.of(createNormalEquivMaturities(), strikes, ValueType.STRIKE, createFullNormalEquivDataMatrix(), ValueType.NORMAL_VOLATILITY);
IborCapletFloorletVolatilityCalibrationResult res = CALIBRATOR.calibrate(definition, CALIBRATION_TIME, data, RATES_PROVIDER);
ShiftedBlackIborCapletFloorletExpiryStrikeVolatilities resVol = (ShiftedBlackIborCapletFloorletExpiryStrikeVolatilities)res.Volatilities;
for (int i = 0; i < strikes.size(); ++i)
{
Pair <IList <ResolvedIborCapFloorLeg>, IList <double> > capsAndVols = getCapsNormalEquivVols(i);
IList <ResolvedIborCapFloorLeg> caps = capsAndVols.First;
IList <double> vols = capsAndVols.Second;
int nCaps = caps.Count;
for (int j = 0; j < nCaps; ++j)
{
ConstantSurface volSurface = ConstantSurface.of(Surfaces.normalVolatilityByExpiryStrike("test", ACT_ACT_ISDA), vols[j]);
NormalIborCapletFloorletExpiryStrikeVolatilities constVol = NormalIborCapletFloorletExpiryStrikeVolatilities.of(USD_LIBOR_3M, CALIBRATION_TIME, volSurface);
double priceOrg = LEG_PRICER_NORMAL.presentValue(caps[j], RATES_PROVIDER, constVol).Amount;
double priceCalib = LEG_PRICER_BLACK.presentValue(caps[j], RATES_PROVIDER, resVol).Amount;
assertEquals(priceOrg, priceCalib, Math.Max(priceOrg, 1d) * TOL);
}
}
assertEquals(res.ChiSquare, 0d);
}
public virtual void recovery_test_blackSurface()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition definition = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(IborCapletFloorletVolatilitiesName.of("test"), USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, LINEAR);
DoubleArray strikes = createBlackStrikes();
RawOptionData data = RawOptionData.of(createBlackMaturities(), strikes, ValueType.STRIKE, createFullBlackDataMatrix(), ValueType.BLACK_VOLATILITY);
IborCapletFloorletVolatilityCalibrationResult res = CALIBRATOR.calibrate(definition, CALIBRATION_TIME, data, RATES_PROVIDER);
BlackIborCapletFloorletExpiryStrikeVolatilities resVol = (BlackIborCapletFloorletExpiryStrikeVolatilities)res.Volatilities;
for (int i = 0; i < strikes.size(); ++i)
{
Pair <IList <ResolvedIborCapFloorLeg>, IList <double> > capsAndVols = getCapsBlackVols(i);
IList <ResolvedIborCapFloorLeg> caps = capsAndVols.First;
IList <double> vols = capsAndVols.Second;
int nCaps = caps.Count;
for (int j = 0; j < nCaps; ++j)
{
ConstantSurface volSurface = ConstantSurface.of(Surfaces.blackVolatilityByExpiryStrike("test", ACT_ACT_ISDA), vols[j]);
BlackIborCapletFloorletExpiryStrikeVolatilities constVol = BlackIborCapletFloorletExpiryStrikeVolatilities.of(USD_LIBOR_3M, CALIBRATION_TIME, volSurface);
double priceOrg = LEG_PRICER_BLACK.presentValue(caps[j], RATES_PROVIDER, constVol).Amount;
double priceCalib = LEG_PRICER_BLACK.presentValue(caps[j], RATES_PROVIDER, resVol).Amount;
assertEquals(priceOrg, priceCalib, Math.Max(priceOrg, 1d) * TOL);
}
}
assertEquals(res.ChiSquare, 0d);
assertEquals(resVol.Index, USD_LIBOR_3M);
assertEquals(resVol.Name, definition.Name);
assertEquals(resVol.ValuationDateTime, CALIBRATION_TIME);
InterpolatedNodalSurface surface = (InterpolatedNodalSurface)resVol.Surface;
for (int i = 0; i < surface.ParameterCount; ++i)
{
GenericVolatilitySurfacePeriodParameterMetadata metadata = (GenericVolatilitySurfacePeriodParameterMetadata)surface.getParameterMetadata(i);
assertEquals(metadata.Strike.Value, surface.YValues.get(i));
}
}
public virtual void recovery_test_blackCurve()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition definition = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(IborCapletFloorletVolatilitiesName.of("test"), USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, LINEAR);
DoubleArray strikes = createBlackStrikes();
for (int i = 0; i < strikes.size(); ++i)
{
Pair <IList <Period>, DoubleMatrix> trimedData = trimData(createBlackMaturities(), createBlackDataMatrixForStrike(i));
RawOptionData data = RawOptionData.of(trimedData.First, DoubleArray.of(strikes.get(i)), ValueType.STRIKE, trimedData.Second, ValueType.BLACK_VOLATILITY);
IborCapletFloorletVolatilityCalibrationResult res = CALIBRATOR.calibrate(definition, CALIBRATION_TIME, data, RATES_PROVIDER);
BlackIborCapletFloorletExpiryStrikeVolatilities resVol = (BlackIborCapletFloorletExpiryStrikeVolatilities)res.Volatilities;
Pair <IList <ResolvedIborCapFloorLeg>, IList <double> > capsAndVols = getCapsBlackVols(i);
IList <ResolvedIborCapFloorLeg> caps = capsAndVols.First;
IList <double> vols = capsAndVols.Second;
int nCaps = caps.Count;
for (int j = 0; j < nCaps; ++j)
{
ConstantSurface volSurface = ConstantSurface.of(Surfaces.blackVolatilityByExpiryStrike("test", ACT_ACT_ISDA), vols[j]);
BlackIborCapletFloorletExpiryStrikeVolatilities constVol = BlackIborCapletFloorletExpiryStrikeVolatilities.of(USD_LIBOR_3M, CALIBRATION_TIME, volSurface);
double priceOrg = LEG_PRICER_BLACK.presentValue(caps[j], RATES_PROVIDER, constVol).Amount;
double priceCalib = LEG_PRICER_BLACK.presentValue(caps[j], RATES_PROVIDER, resVol).Amount;
assertEquals(priceOrg, priceCalib, Math.Max(priceOrg, 1d) * TOL);
}
}
}
public virtual void test_invalid_data()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition definition = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(IborCapletFloorletVolatilitiesName.of("test"), USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, LINEAR);
DoubleArray strikes = createBlackStrikes();
RawOptionData data = RawOptionData.of(createBlackMaturities(), strikes, ValueType.STRIKE, createFullBlackDataMatrixInvalid(), ValueType.BLACK_VOLATILITY);
assertThrowsIllegalArg(() => CALIBRATOR.calibrate(definition, CALIBRATION_TIME, data, RATES_PROVIDER));
}
//-------------------------------------------------------------------------
public virtual void coverage()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition test1 = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, DOUBLE_QUADRATIC);
coverImmutableBean(test1);
SurfaceIborCapletFloorletVolatilityBootstrapDefinition test2 = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(IborCapletFloorletVolatilitiesName.of("other"), GBP_LIBOR_3M, ACT_365F, LINEAR, LINEAR, SHIFT);
coverBeanEquals(test1, test2);
}
public virtual void test_of_shift()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition test = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, STEP_UPPER, DOUBLE_QUADRATIC, SHIFT);
assertEquals(test.DayCount, ACT_ACT_ISDA);
assertEquals(test.Index, USD_LIBOR_3M);
assertEquals(test.Interpolator, GridSurfaceInterpolator.of(STEP_UPPER, DOUBLE_QUADRATIC));
assertEquals(test.Name, NAME);
assertEquals(test.ShiftCurve.get(), SHIFT);
}
public virtual void test_of_surface()
{
GridSurfaceInterpolator interp = GridSurfaceInterpolator.of(LINEAR, LINEAR);
SurfaceIborCapletFloorletVolatilityBootstrapDefinition test = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, interp);
assertEquals(test.DayCount, ACT_ACT_ISDA);
assertEquals(test.Index, USD_LIBOR_3M);
assertEquals(test.Interpolator, interp);
assertEquals(test.Name, NAME);
assertFalse(test.ShiftCurve.Present);
}
public virtual void test_createMetadata_wrongValueType()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition @base = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, DOUBLE_QUADRATIC);
RawOptionData capData = RawOptionData.of(ImmutableList.of(Period.ofYears(1), Period.ofYears(5)), DoubleArray.of(0.005, 0.01, 0.015), ValueType.STRIKE, DoubleMatrix.copyOf(new double[][]
{
new double[] { 0.15, 0.12, 0.13 },
new double[] { 0.1, 0.08, 0.09 }
}), ValueType.PRICE);
assertThrowsIllegalArg(() => @base.createMetadata(capData));
}
public virtual void test_createCap()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition @base = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, TIME_SQUARE, DOUBLE_QUADRATIC);
LocalDate startDate = LocalDate.of(2012, 4, 20);
LocalDate endDate = LocalDate.of(2017, 4, 20);
double strike = 0.01;
IborCapFloorLeg expected = IborCapFloorLeg.builder().calculation(IborRateCalculation.of(USD_LIBOR_3M)).capSchedule(ValueSchedule.of(strike)).currency(USD_LIBOR_3M.Currency).notional(ValueSchedule.ALWAYS_1).paymentDateOffset(DaysAdjustment.NONE).paymentSchedule(PeriodicSchedule.of(startDate, endDate, Frequency.of(USD_LIBOR_3M.Tenor.Period), BusinessDayAdjustment.of(BusinessDayConventions.MODIFIED_FOLLOWING, USD_LIBOR_3M.FixingCalendar), StubConvention.NONE, RollConventions.NONE)).payReceive(PayReceive.RECEIVE).build();
IborCapFloorLeg computed = @base.createCap(startDate, endDate, strike);
assertEquals(computed, expected);
}
public virtual void test_createMetadata_normal()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition @base = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, DOUBLE_QUADRATIC);
RawOptionData capData = RawOptionData.of(ImmutableList.of(Period.ofYears(1), Period.ofYears(5)), DoubleArray.of(0.005, 0.01, 0.015), ValueType.STRIKE, DoubleMatrix.copyOf(new double[][]
{
new double[] { 0.15, 0.12, 0.13 },
new double[] { 0.1, Double.NaN, 0.09 }
}), ValueType.NORMAL_VOLATILITY);
IList <GenericVolatilitySurfacePeriodParameterMetadata> list = new List <GenericVolatilitySurfacePeriodParameterMetadata>();
list.Add(GenericVolatilitySurfacePeriodParameterMetadata.of(Period.ofYears(1), SimpleStrike.of(0.005)));
list.Add(GenericVolatilitySurfacePeriodParameterMetadata.of(Period.ofYears(1), SimpleStrike.of(0.01)));
list.Add(GenericVolatilitySurfacePeriodParameterMetadata.of(Period.ofYears(1), SimpleStrike.of(0.015)));
list.Add(GenericVolatilitySurfacePeriodParameterMetadata.of(Period.ofYears(5), SimpleStrike.of(0.005)));
list.Add(GenericVolatilitySurfacePeriodParameterMetadata.of(Period.ofYears(5), SimpleStrike.of(0.015)));
SurfaceMetadata expected = Surfaces.normalVolatilityByExpiryStrike(NAME.Name, ACT_ACT_ISDA).withParameterMetadata(list);
SurfaceMetadata computed = @base.createMetadata(capData);
assertEquals(computed, expected);
}
public virtual void test_serialization()
{
SurfaceIborCapletFloorletVolatilityBootstrapDefinition test = SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, LINEAR, DOUBLE_QUADRATIC);
assertSerialization(test);
}
//-------------------------------------------------------------------------
public virtual void test_of_wrongInterpolator()
{
assertThrowsIllegalArg(() => SurfaceIborCapletFloorletVolatilityBootstrapDefinition.of(NAME, USD_LIBOR_3M, ACT_ACT_ISDA, DOUBLE_QUADRATIC, DOUBLE_QUADRATIC));
}