public virtual void test_rate()
{
SimpleRatesProvider prov = new SimpleRatesProvider();
LocalDateDoubleTimeSeries timeSeries = LocalDateDoubleTimeSeries.of(FIXING_DATE, RATE);
IborIndexRates mockIbor = new TestingIborIndexRates(GBP_LIBOR_3M, FIXING_DATE, LocalDateDoubleTimeSeries.empty(), timeSeries);
prov.IborRates = mockIbor;
ForwardIborRateComputationFn obsFn = ForwardIborRateComputationFn.DEFAULT;
assertEquals(obsFn.rate(GBP_LIBOR_3M_COMP, ACCRUAL_START_DATE, ACCRUAL_END_DATE, prov), RATE);
// explain
ExplainMapBuilder builder = ExplainMap.builder();
assertEquals(obsFn.explainRate(GBP_LIBOR_3M_COMP, ACCRUAL_START_DATE, ACCRUAL_END_DATE, prov, builder), RATE);
ExplainMap built = builder.build();
assertEquals(built.get(ExplainKey.OBSERVATIONS).Present, true);
assertEquals(built.get(ExplainKey.OBSERVATIONS).get().size(), 1);
assertEquals(built.get(ExplainKey.OBSERVATIONS).get().get(0).get(ExplainKey.FIXING_DATE), FIXING_DATE);
assertEquals(built.get(ExplainKey.OBSERVATIONS).get().get(0).get(ExplainKey.INDEX), GBP_LIBOR_3M);
assertEquals(built.get(ExplainKey.OBSERVATIONS).get().get(0).get(ExplainKey.INDEX_VALUE), RATE);
assertEquals(built.get(ExplainKey.OBSERVATIONS).get().get(0).get(ExplainKey.FROM_FIXING_SERIES), true);
assertEquals(built.get(ExplainKey.OBSERVATIONS).get().get(0).get(ExplainKey.FORWARD_RATE_START_DATE), FORWARD_START_DATE);
assertEquals(built.get(ExplainKey.OBSERVATIONS).get().get(0).get(ExplainKey.FORWARD_RATE_END_DATE), FORWARD_END_DATE);
assertEquals(built.get(ExplainKey.COMBINED_RATE), RATE);
}
public virtual void test_presentValue_ended()
{
SimpleRatesProvider prov = provider(date(2014, 9, 22), 1.2d, 1.1d);
CurrencyAmount computed = PRICER.presentValue(RTERM_DEPOSIT, prov);
assertEquals(computed.Currency, EUR);
assertEquals(computed.Amount, 0.0d, TOLERANCE * NOTIONAL);
}
public virtual void test_presentValue_inPast()
{
SimpleRatesProvider prov = createProvider(VAL_DATE);
double pvComputed = PRICER.presentValue(PERIOD_PAST, prov);
assertEquals(pvComputed, 0, TOLERANCE_PV);
}
public virtual void test_accruedInterest_valDateAfterPeriod()
{
SimpleRatesProvider prov = createProvider(PERIOD.EndDate.plusDays(1));
double computed = PRICER.accruedInterest(PERIOD, prov);
assertEquals(computed, 0, TOLERANCE_PV);
}
public virtual void test_accruedInterest_valDateBeforePeriod()
{
SimpleRatesProvider prov = createProvider(PERIOD.StartDate);
double computed = PRICER.accruedInterest(PERIOD, prov);
assertEquals(computed, 0, TOLERANCE_PV);
}
public virtual void test_presentValueSensitivity_inPast()
{
SimpleRatesProvider prov = createProvider(VAL_DATE);
PointSensitivities computed = PRICER.presentValueSensitivity(PERIOD_PAST, prov).build();
assertEquals(computed, PointSensitivities.empty());
}
public virtual void test_parSpread()
{
SimpleRatesProvider prov = provider(VAL_DATE, DF_START, DF_END);
double parSpread = PRICER.parSpread(RTERM_DEPOSIT, prov);
TermDeposit depositPar = TermDeposit.builder().buySell(BuySell.BUY).startDate(START_DATE).endDate(END_DATE).businessDayAdjustment(BD_ADJ).dayCount(ACT_360).notional(NOTIONAL).currency(EUR).rate(RATE + parSpread).build();
double pvPar = PRICER.presentValue(depositPar.resolve(REF_DATA), prov).Amount;
assertEquals(pvPar, 0.0, NOTIONAL * TOLERANCE);
}
public virtual void test_presentValue_onStart()
{
SimpleRatesProvider prov = provider(START_DATE, 1.0d, DF_END);
CurrencyAmount computed = PRICER.presentValue(RTERM_DEPOSIT, prov);
double expected = ((1d + RATE * RTERM_DEPOSIT.YearFraction) * DF_END - 1.0d) * NOTIONAL;
assertEquals(computed.Currency, EUR);
assertEquals(computed.Amount, expected, TOLERANCE * NOTIONAL);
}
//-------------------------------------------------------------------------
public virtual void test_forecastValue()
{
SimpleRatesProvider prov = createProvider(VAL_DATE);
double fvExpected = AMOUNT_1000;
double fvComputed = PRICER.forecastValue(PERIOD, prov);
assertEquals(fvComputed, fvExpected, TOLERANCE_PV);
}
//-------------------------------------------------------------------------
public virtual void test_presentValue()
{
SimpleRatesProvider prov = createProvider(VAL_DATE);
double pvExpected = AMOUNT_1000 * DISCOUNT_FACTOR;
double pvComputed = PRICER.presentValue(PERIOD, prov);
assertEquals(pvComputed, pvExpected, TOLERANCE_PV);
}
public virtual void test_presentValue_started()
{
SimpleRatesProvider prov = provider(date(2014, 2, 22), 1.2d, DF_END);
CurrencyAmount computed = PRICER.presentValue(RTERM_DEPOSIT, prov);
double expected = (1d + RATE * RTERM_DEPOSIT.YearFraction) * DF_END * NOTIONAL;
assertEquals(computed.Currency, EUR);
assertEquals(computed.Amount, expected, TOLERANCE * NOTIONAL);
}
//-------------------------------------------------------------------------
public virtual void test_price()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.rate(FUTURE.IborRate.Observation)).thenReturn(RATE);
assertEquals(PRICER_TRADE.price(FUTURE_TRADE, prov), 1.0 - RATE, TOLERANCE_PRICE);
}
//-------------------------------------------------------------------------
// creates a simple provider
private SimpleRatesProvider createProvider(LocalDate valDate)
{
Curve curve = ConstantCurve.of(Curves.discountFactors("Test", DAY_COUNT), DISCOUNT_FACTOR);
DiscountFactors df = SimpleDiscountFactors.of(GBP, valDate, curve);
SimpleRatesProvider prov = new SimpleRatesProvider(valDate);
prov.DayCount = DAY_COUNT;
prov.DiscountFactors = df;
return(prov);
}
//-------------------------------------------------------------------------
public virtual void test_accruedInterest()
{
LocalDate valDate = PERIOD.StartDate.plusDays(7);
SimpleRatesProvider prov = createProvider(valDate);
double expected = AMOUNT_1000 * (7d / (7 + 28 + 31 + 25));
double computed = PRICER.accruedInterest(PERIOD, prov);
assertEquals(computed, expected, TOLERANCE_PV);
}
private SimpleRatesProvider provider(LocalDate valuationDate, double dfStart, double dfEnd)
{
DiscountFactors mockDf = mock(typeof(DiscountFactors));
when(mockDf.discountFactor(START_DATE)).thenReturn(dfStart);
when(mockDf.discountFactor(END_DATE)).thenReturn(dfEnd);
SimpleRatesProvider prov = new SimpleRatesProvider(valuationDate, mockDf);
return(prov);
}
//-------------------------------------------------------------------------
public virtual void test_priceSensitivity()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
PointSensitivities sensiExpected = PointSensitivities.of(IborRateSensitivity.of(FUTURE.IborRate.Observation, -1d));
PointSensitivities sensiComputed = PRICER.priceSensitivity(FUTURE, prov);
assertTrue(sensiComputed.equalWithTolerance(sensiExpected, TOLERANCE_PRICE_DELTA));
}
//-------------------------------------------------------------------------
public virtual void test_parSpreadSensitivity()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
PointSensitivities sensiExpected = PRICER_PRODUCT.priceSensitivity(FUTURE, prov);
PointSensitivities sensiComputed = PRICER_TRADE.parSpreadSensitivity(FUTURE_TRADE, prov);
assertTrue(sensiComputed.equalWithTolerance(sensiExpected, TOLERANCE_PRICE_DELTA));
}
//-------------------------------------------------------------------------
public virtual void test_presentValueSensitivity()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
PointSensitivities sensiPrice = PRICER_PRODUCT.priceSensitivity(FUTURE, prov);
PointSensitivities sensiPresentValueExpected = sensiPrice.multipliedBy(FUTURE.Notional * FUTURE.AccrualFactor * FUTURE_TRADE.Quantity);
PointSensitivities sensiPresentValueComputed = PRICER_TRADE.presentValueSensitivity(FUTURE_TRADE, prov);
assertTrue(sensiPresentValueComputed.equalWithTolerance(sensiPresentValueExpected, TOLERANCE_PV_DELTA));
}
public virtual void test_rateSensitivity()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.ratePointSensitivity(GBP_LIBOR_3M_COMP.Observation)).thenReturn(SENSITIVITY);
ForwardIborRateComputationFn obsFn = ForwardIborRateComputationFn.DEFAULT;
assertEquals(obsFn.rateSensitivity(GBP_LIBOR_3M_COMP, ACCRUAL_START_DATE, ACCRUAL_END_DATE, prov), SENSITIVITY);
}
// ---------- present value sensitivity ----------
public virtual void presentValueSensitivity_from_env()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.rate(OPTION.UnderlyingFuture.IborRate.Observation)).thenReturn(RATE);
PointSensitivities psProduct = OPTION_PRODUCT_PRICER.priceSensitivityRatesStickyStrike(OPTION, prov, VOL_SIMPLE_MONEY_PRICE);
PointSensitivities psExpected = psProduct.multipliedBy(OPTION_PRODUCT_PRICER.marginIndex(OPTION, 1) * OPTION_QUANTITY);
PointSensitivities psComputed = OPTION_TRADE_PRICER.presentValueSensitivityRates(FUTURE_OPTION_TRADE, prov, VOL_SIMPLE_MONEY_PRICE);
assertTrue(psComputed.equalWithTolerance(psExpected, TOLERANCE_PV_DELTA));
}
public virtual void price_from_env()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.rate(OPTION.UnderlyingFuture.IborRate.Observation)).thenReturn(RATE);
double futurePrice = 1.0 - RATE;
double optionPriceExpected = OPTION_PRICER.price(OPTION, prov, VOL_SIMPLE_MONEY_PRICE, futurePrice);
double optionPriceComputed = OPTION_PRICER.price(OPTION, prov, VOL_SIMPLE_MONEY_PRICE);
assertEquals(optionPriceComputed, optionPriceExpected, TOLERANCE_PRICE);
}
//-------------------------------------------------------------------------
public virtual void test_parSpread_after_trade_date()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
prov.ValuationDate = FUTURE_TRADE.TradedPrice.get().TradeDate.plusDays(1);
when(mockIbor.rate(FUTURE.IborRate.Observation)).thenReturn(RATE);
double lastClosingPrice = 0.99;
double parSpreadExpected = PRICER_TRADE.price(FUTURE_TRADE, prov) - lastClosingPrice;
double parSpreadComputed = PRICER_TRADE.parSpread(FUTURE_TRADE, prov, lastClosingPrice);
assertEquals(parSpreadComputed, parSpreadExpected, TOLERANCE_PRICE);
}
static DiscountingFraTradePricerTest()
{
DiscountFactors mockDf = mock(typeof(DiscountFactors));
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
RATES_PROVIDER = new SimpleRatesProvider(VAL_DATE, mockDf);
RATES_PROVIDER.IborRates = mockIbor;
IborIndexObservation obs = ((IborRateComputation)RFRA.FloatingRate).Observation;
IborRateSensitivity sens = IborRateSensitivity.of(obs, 1d);
when(mockIbor.ratePointSensitivity(obs)).thenReturn(sens);
when(mockIbor.rate(obs)).thenReturn(FORWARD_RATE);
when(mockDf.discountFactor(RFRA.PaymentDate)).thenReturn(DISCOUNT_FACTOR);
}
//-------------------------------------------------------------------------
public virtual void test_presentValueSensitivity()
{
SimpleRatesProvider prov = createProvider(VAL_DATE);
PointSensitivities point = PRICER.presentValueSensitivity(PERIOD, prov).build();
double relativeYearFraction = DAY_COUNT.relativeYearFraction(VAL_DATE, PAYMENT_DATE);
double expected = -DISCOUNT_FACTOR * relativeYearFraction * AMOUNT_1000;
ZeroRateSensitivity actual = (ZeroRateSensitivity)point.Sensitivities.get(0);
assertEquals(actual.Currency, GBP);
assertEquals(actual.CurveCurrency, GBP);
assertEquals(actual.YearFraction, relativeYearFraction);
assertEquals(actual.Sensitivity, expected, AMOUNT_1000 * TOLERANCE_PV);
}
public virtual void presentValue_from_env()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider(VAL_DATE);
prov.IborRates = mockIbor;
when(mockIbor.rate(OPTION.UnderlyingFuture.IborRate.Observation)).thenReturn(RATE);
double lastClosingPrice = 0.0150;
CurrencyAmount pvComputed = OPTION_TRADE_PRICER.presentValue(FUTURE_OPTION_TRADE, prov, VOL_SIMPLE_MONEY_PRICE, lastClosingPrice);
double optionPrice = OPTION_PRODUCT_PRICER.price(OPTION, prov, VOL_SIMPLE_MONEY_PRICE);
double pvExpected = (OPTION_PRODUCT_PRICER.marginIndex(OPTION, optionPrice) - OPTION_PRODUCT_PRICER.marginIndex(OPTION, lastClosingPrice)) * OPTION_QUANTITY;
assertEquals(pvComputed.Amount, pvExpected, TOLERANCE_PV);
}
// ---------- present value normal vol sensitivity ----------
public virtual void presentvalue_normalVolSensitivity_from_env()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.rate(OPTION.UnderlyingFuture.IborRate.Observation)).thenReturn(RATE);
IborFutureOptionSensitivity psProduct = OPTION_PRODUCT_PRICER.priceSensitivityModelParamsVolatility(OPTION, prov, VOL_SIMPLE_MONEY_PRICE);
IborFutureOptionSensitivity psExpected = psProduct.withSensitivity(psProduct.Sensitivity * OPTION_PRODUCT_PRICER.marginIndex(OPTION, 1) * OPTION_QUANTITY);
IborFutureOptionSensitivity psComputed = OPTION_TRADE_PRICER.presentValueSensitivityModelParamsVolatility(FUTURE_OPTION_TRADE, prov, VOL_SIMPLE_MONEY_PRICE);
assertTrue(psExpected.compareKey(psComputed) == 0);
assertEquals(psComputed.Sensitivity, psExpected.Sensitivity, TOLERANCE_PV_DELTA);
}
public virtual void priceSensitivityStickyStrike_from_env()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.rate(OPTION.UnderlyingFuture.IborRate.Observation)).thenReturn(RATE);
PointSensitivities futurePriceSensitivity = OPTION_PRICER.FuturePricer.priceSensitivity(OPTION.UnderlyingFuture, prov);
double delta = OPTION_PRICER.deltaStickyStrike(OPTION, prov, VOL_SIMPLE_MONEY_PRICE);
PointSensitivities optionPriceSensitivityExpected = futurePriceSensitivity.multipliedBy(delta);
PointSensitivities optionPriceSensitivityComputed = OPTION_PRICER.priceSensitivityRatesStickyStrike(OPTION, prov, VOL_SIMPLE_MONEY_PRICE);
assertTrue(optionPriceSensitivityExpected.equalWithTolerance(optionPriceSensitivityComputed, TOLERANCE_PRICE_DELTA));
}
public virtual void priceSensitivityNormalVolatility_from_env()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.rate(OPTION.UnderlyingFuture.IborRate.Observation)).thenReturn(RATE);
double futurePrice = 1.0 - RATE;
IborFutureOptionSensitivity optionVegaExpected = OPTION_PRICER.priceSensitivityModelParamsVolatility(OPTION, prov, VOL_SIMPLE_MONEY_PRICE, futurePrice);
IborFutureOptionSensitivity optionVegaComputed = OPTION_PRICER.priceSensitivityModelParamsVolatility(OPTION, prov, VOL_SIMPLE_MONEY_PRICE);
assertTrue(optionVegaExpected.compareKey(optionVegaComputed) == 0);
assertEquals(optionVegaComputed.Sensitivity, optionVegaExpected.Sensitivity, TOLERANCE_PRICE_DELTA);
}
public virtual void test_presentValue_on_trade_date()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
prov.ValuationDate = FUTURE_TRADE.TradedPrice.get().TradeDate;
when(mockIbor.rate(FUTURE.IborRate.Observation)).thenReturn(RATE);
double lastClosingPrice = 1.025;
DiscountingIborFutureTradePricer pricerFn = DiscountingIborFutureTradePricer.DEFAULT;
double expected = ((1.0 - RATE) - FUTURE_TRADE.TradedPrice.get().Price) * FUTURE.AccrualFactor * FUTURE.Notional * FUTURE_TRADE.Quantity;
CurrencyAmount computed = pricerFn.presentValue(FUTURE_TRADE, prov, lastClosingPrice);
assertEquals(computed.Amount, expected, TOLERANCE_PV);
assertEquals(computed.Currency, FUTURE.Currency);
}
// ---------- price ----------
public virtual void price_from_future_price()
{
IborIndexRates mockIbor = mock(typeof(IborIndexRates));
SimpleRatesProvider prov = new SimpleRatesProvider();
prov.IborRates = mockIbor;
when(mockIbor.rate(OPTION.UnderlyingFuture.IborRate.Observation)).thenReturn(RATE);
double futurePrice = 0.9875;
double strike = OPTION.StrikePrice;
double timeToExpiry = ACT_365F.relativeYearFraction(VAL_DATE, OPTION.ExpiryDate);
double priceSimpleMoneyness = strike - futurePrice;
double normalVol = PARAMETERS_PRICE.zValue(timeToExpiry, priceSimpleMoneyness);
EuropeanVanillaOption option = EuropeanVanillaOption.of(strike, timeToExpiry, OPTION.PutCall);
NormalFunctionData normalPoint = NormalFunctionData.of(futurePrice, 1.0, normalVol);
double optionPriceExpected = NORMAL_FUNCTION.getPriceFunction(option).apply(normalPoint);
double optionPriceComputed = OPTION_PRICER.price(OPTION, prov, VOL_SIMPLE_MONEY_PRICE, futurePrice);
assertEquals(optionPriceComputed, optionPriceExpected, TOLERANCE_PRICE);
}
