PointSensitivities priceSensitivity( ResolvedBondFutureOption futureOption, LegalEntityDiscountingProvider discountingProvider, BondFutureVolatilities volatilities) { ArgChecker.isTrue(volatilities instanceof BlackBondFutureVolatilities, "Provider must be of type BlackVolatilityBondFutureProvider"); return priceSensitivityRatesStickyStrike( futureOption, discountingProvider, (BlackBondFutureVolatilities) volatilities); }
public void test_priceSensitivity_from_generic_provider() { BondFutureVolatilities volProvider = BlackBondFutureExpiryLogMoneynessVolatilities.of(VAL_DATE_TIME, SURFACE); PointSensitivities expected = OPTION_PRICER.priceSensitivityRatesStickyStrike( FUTURE_OPTION_PRODUCT, RATE_PROVIDER, VOLS); PointSensitivities computed = OPTION_PRICER.priceSensitivity(FUTURE_OPTION_PRODUCT, RATE_PROVIDER, volProvider); assertEquals(computed, expected); }
/** * Calculates the price sensitivity of the bond future option product based on curves. * <p> * The price sensitivity of the product is the sensitivity of the price to the underlying curves. * The volatility is unchanged for a fixed strike in the sensitivity computation, hence the "StickyStrike" name. * <p> * This calculates the underlying future price using the future pricer. * * @param futureOption the option product * @param discountingProvider the discounting provider * @param volatilities the volatilities * @return the price curve sensitivity of the product */ public PointSensitivities priceSensitivityRatesStickyStrike( ResolvedBondFutureOption futureOption, LegalEntityDiscountingProvider discountingProvider, BlackBondFutureVolatilities volatilities) { ArgChecker.isTrue(futureOption.getPremiumStyle().equals(FutureOptionPremiumStyle.DAILY_MARGIN), "Premium style should be DAILY_MARGIN"); double futurePrice = futurePrice(futureOption, discountingProvider); return priceSensitivityRatesStickyStrike(futureOption, discountingProvider, volatilities, futurePrice); }
public void test_marginIndexSensitivity() { PointSensitivities point = OPTION_PRICER.priceSensitivityRatesStickyStrike( FUTURE_OPTION_PRODUCT, RATE_PROVIDER, VOLS); PointSensitivities computed = OPTION_PRICER.marginIndexSensitivity(FUTURE_OPTION_PRODUCT, point); assertEquals(computed, point.multipliedBy(FUTURE_OPTION_PRODUCT.getUnderlyingFuture().getNotional())); }
public void test_priceSensitivity_from_future_price() { double futurePrice = 1.1d; PointSensitivities point = OPTION_PRICER.priceSensitivityRatesStickyStrike( FUTURE_OPTION_PRODUCT, RATE_PROVIDER, VOLS, futurePrice); CurrencyParameterSensitivities computed = RATE_PROVIDER.parameterSensitivity(point); double delta = OPTION_PRICER.deltaStickyStrike(FUTURE_OPTION_PRODUCT, RATE_PROVIDER, VOLS, futurePrice); CurrencyParameterSensitivities expected = RATE_PROVIDER.parameterSensitivity( FUTURE_PRICER.priceSensitivity(FUTURE_OPTION_PRODUCT.getUnderlyingFuture(), RATE_PROVIDER)).multipliedBy(delta); assertTrue(computed.equalWithTolerance(expected, TOL)); }
public void test_priceSensitivity() { PointSensitivities point = OPTION_PRICER.priceSensitivityRatesStickyStrike( FUTURE_OPTION_PRODUCT, RATE_PROVIDER, VOLS); CurrencyParameterSensitivities computed = RATE_PROVIDER.parameterSensitivity(point); CurrencyParameterSensitivities expected = FD_CAL.sensitivity(RATE_PROVIDER, (p) -> CurrencyAmount.of(EUR, OPTION_PRICER.price(FUTURE_OPTION_PRODUCT, (p), VOLS))); double futurePrice = FUTURE_PRICER.price(FUTURE_OPTION_PRODUCT.getUnderlyingFuture(), RATE_PROVIDER); double strike = FUTURE_OPTION_PRODUCT.getStrikePrice(); double expiryTime = ACT_365F.relativeYearFraction(VAL_DATE, FUTURE_OPTION_PRODUCT.getExpiryDate()); double logMoneyness = Math.log(strike / futurePrice); double logMoneynessUp = Math.log(strike / (futurePrice + EPS)); double logMoneynessDw = Math.log(strike / (futurePrice - EPS)); double vol = SURFACE.zValue(expiryTime, logMoneyness); double volUp = SURFACE.zValue(expiryTime, logMoneynessUp); double volDw = SURFACE.zValue(expiryTime, logMoneynessDw); double volSensi = 0.5 * (volUp - volDw) / EPS; double vega = BlackFormulaRepository.vega(futurePrice, strike, expiryTime, vol); CurrencyParameterSensitivities sensiVol = RATE_PROVIDER.parameterSensitivity( FUTURE_PRICER.priceSensitivity(FUTURE_OPTION_PRODUCT.getUnderlyingFuture(), RATE_PROVIDER)).multipliedBy( -vega * volSensi); expected = expected.combinedWith(sensiVol); assertTrue(computed.equalWithTolerance(expected, 30d * EPS)); }