Exemple #1
0
        public virtual void test_parameter_secenarioDefinition()
        {
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.List<com.opengamma.strata.calc.marketdata.PerturbationMapping<?>> perturbationMapping = new java.util.ArrayList<>();
            IList <PerturbationMapping <object> > perturbationMapping = new List <PerturbationMapping <object> >();
            int nVolParams             = EXP_VOLS.ParameterCount;
            int nScenarios             = 3;
            PointShiftsBuilder builder = PointShifts.builder(ShiftType.SCALED);

            for (int i = 0; i < nVolParams; ++i)
            {
                object id = EXP_VOLS.getParameterMetadata(i).Identifier;
                for (int j = 0; j < nScenarios; ++j)
                {
                    builder.addShift(j, id, Math.Pow(0.9, j));
                }
            }
            ScenarioPerturbation <ParameterizedData> perturb = builder.build();

            perturbationMapping.Add(PerturbationMapping.of(MarketDataFilter.ofId(VOL_ID), perturb));
            ScenarioDefinition    scenarioDefinition   = ScenarioDefinition.ofMappings(perturbationMapping);
            ScenarioMarketData    marketDataCalibrated = StandardComponents.marketDataFactory().createMultiScenario(REQUIREMENTS, SCENARIO_CONFIG, MARKET_DATA, REF_DATA, scenarioDefinition);
            Results               results = CALC_RUNNER.calculateMultiScenario(RULES, TARGETS, COLUMN, marketDataCalibrated, REF_DATA);
            CurrencyScenarioArray pvs     = results.get(0, 0, typeof(CurrencyScenarioArray)).Value;

            for (int i = 0; i < nScenarios; ++i)
            {
                int index = i;
                BlackFxOptionSmileVolatilities shiftedSmile = EXP_VOLS.withPerturbation((j, v, m) => Math.Pow(0.9, index) * v);
                CurrencyAmount pv = PRICER.presentValue(OPTION_TRADE.resolve(REF_DATA), EXP_RATES, shiftedSmile).convertedTo(USD, EXP_RATES);
                assertEquals(pvs.get(i), pv);
            }
        }
Exemple #2
0
        static FxOptionVolatilitiesMarketDataFunctionTest()
        {
            ImmutableList.Builder <FxOptionVolatilitiesNode>        volNodeBuilder             = ImmutableList.builder();
            ImmutableMap.Builder <QuoteId, double>                  marketQuoteBuilder         = ImmutableMap.builder();
            ImmutableMap.Builder <QuoteId, MarketDataBox <double> > scenarioMarketQuoteBuilder = ImmutableMap.builder();
            ImmutableList.Builder <FixedOvernightSwapCurveNode>     usdNodeBuilder             = ImmutableList.builder();
            ImmutableList.Builder <FxSwapCurveNode>                 gbpNodeBuilder             = ImmutableList.builder();
            for (int i = 0; i < VOL_TENORS.Count; ++i)
            {
                for (int j = 0; j < STRIKES.Count; ++j)
                {
                    QuoteId quoteId = QuoteId.of(StandardId.of("OG", VOL_TENORS[i].ToString() + "_" + STRIKES[j].Label + "_" + VALUE_TYPES[j].ToString()));
                    volNodeBuilder.add(FxOptionVolatilitiesNode.of(GBP_USD, SPOT_OFFSET, BDA, VALUE_TYPES[j], quoteId, VOL_TENORS[i], STRIKES[j]));
                    marketQuoteBuilder.put(quoteId, VOL_QUOTES[i][j]);
                    scenarioMarketQuoteBuilder.put(quoteId, MarketDataBox.ofScenarioValues(VOL_QUOTES[i][j], VOL_QUOTES_1[i][j]));
                }
            }
            for (int i = 0; i < USD_QUOTES.Count; ++i)
            {
                QuoteId quoteId = QuoteId.of(StandardId.of("OG", USD.ToString() + "-OIS-" + USD_TENORS[i].ToString()));
                usdNodeBuilder.add(FixedOvernightSwapCurveNode.of(FixedOvernightSwapTemplate.of(USD_TENORS[i], FixedOvernightSwapConventions.USD_FIXED_TERM_FED_FUND_OIS), quoteId));
                marketQuoteBuilder.put(quoteId, USD_QUOTES[i]);
                scenarioMarketQuoteBuilder.put(quoteId, MarketDataBox.ofScenarioValues(USD_QUOTES[i], USD_QUOTES_1[i]));
            }
            for (int i = 0; i < GBP_QUOTES.Count; ++i)
            {
                QuoteId quoteId = QuoteId.of(StandardId.of("OG", GBP_USD.ToString() + "-FX-" + GBP_PERIODS[i].ToString()));
                gbpNodeBuilder.add(FxSwapCurveNode.of(FxSwapTemplate.of(GBP_PERIODS[i], FxSwapConventions.GBP_USD), quoteId));
                marketQuoteBuilder.put(quoteId, GBP_QUOTES[i]);
                scenarioMarketQuoteBuilder.put(quoteId, MarketDataBox.ofScenarioValues(GBP_QUOTES[i], GBP_QUOTES_1[i]));
            }
            VOL_NODES              = volNodeBuilder.build();
            USD_NODES              = usdNodeBuilder.build();
            GBP_NODES              = gbpNodeBuilder.build();
            MARKET_QUOTES          = marketQuoteBuilder.build();
            SCENARIO_MARKET_QUOTES = scenarioMarketQuoteBuilder.build();
            IList <double> expiry  = VOL_TENORS.Select(t => ACT_365F.relativeYearFraction(VALUATION_DATE, BDA.adjust(SPOT_OFFSET.adjust(VALUATION_DATE, REF_DATA).plus(t), REF_DATA))).ToList();
            int            nSmiles = expiry.Count;

            double[] atm = new double[nSmiles];
//JAVA TO C# CONVERTER NOTE: The following call to the 'RectangularArrays' helper class reproduces the rectangular array initialization that is automatic in Java:
//ORIGINAL LINE: double[][] rr = new double[nSmiles][2];
            double[][] rr = RectangularArrays.ReturnRectangularDoubleArray(nSmiles, 2);
//JAVA TO C# CONVERTER NOTE: The following call to the 'RectangularArrays' helper class reproduces the rectangular array initialization that is automatic in Java:
//ORIGINAL LINE: double[][] str = new double[nSmiles][2];
            double[][] str = RectangularArrays.ReturnRectangularDoubleArray(nSmiles, 2);
            for (int i = 0; i < nSmiles; ++i)
            {
                atm[i]    = VOL_QUOTES[i][0];
                rr[i][0]  = VOL_QUOTES[i][1];
                rr[i][1]  = VOL_QUOTES[i][3];
                str[i][0] = VOL_QUOTES[i][2];
                str[i][1] = VOL_QUOTES[i][4];
            }
            InterpolatedStrikeSmileDeltaTermStructure term = InterpolatedStrikeSmileDeltaTermStructure.of(DoubleArray.copyOf(expiry), DoubleArray.of(0.1, 0.25), DoubleArray.copyOf(atm), DoubleMatrix.copyOf(rr), DoubleMatrix.copyOf(str), ACT_365F, LINEAR, FLAT, FLAT, PCHIP, FLAT, FLAT);

            EXP_VOLS = BlackFxOptionSmileVolatilities.of(VOL_NAME, GBP_USD, VALUATION_DATE.atTime(VALUATION_TIME).atZone(ZONE), term);
            for (int i = 0; i < nSmiles; ++i)
            {
                atm[i]    = VOL_QUOTES_1[i][0];
                rr[i][0]  = VOL_QUOTES_1[i][1];
                rr[i][1]  = VOL_QUOTES_1[i][3];
                str[i][0] = VOL_QUOTES_1[i][2];
                str[i][1] = VOL_QUOTES_1[i][4];
            }
            InterpolatedStrikeSmileDeltaTermStructure term1 = InterpolatedStrikeSmileDeltaTermStructure.of(DoubleArray.copyOf(expiry), DoubleArray.of(0.1, 0.25), DoubleArray.copyOf(atm), DoubleMatrix.copyOf(rr), DoubleMatrix.copyOf(str), ACT_365F, LINEAR, FLAT, FLAT, PCHIP, FLAT, FLAT);

            EXP_VOLS_1 = BlackFxOptionSmileVolatilities.of(VOL_NAME, GBP_USD, VALUATION_DATE_1.atTime(VALUATION_TIME_1).atZone(ZONE), term1);
            ImmutableList.Builder <FxOptionVolatilitiesNode> nodeBuilder  = ImmutableList.builder();
            ImmutableMap.Builder <QuoteId, double>           quoteBuilder = ImmutableMap.builder();
            for (int i = 0; i < SURFACE_TENORS.Count; ++i)
            {
                for (int j = 0; j < SURFACE_STRIKES.Count; ++j)
                {
                    QuoteId quoteId = QuoteId.of(StandardId.of("OG", GBP_USD.ToString() + "_" + SURFACE_TENORS[i].ToString() + "_" + SURFACE_STRIKES[j]));
                    quoteBuilder.put(quoteId, SURFACE_VOL_QUOTES[i][j]);
                    nodeBuilder.add(FxOptionVolatilitiesNode.of(GBP_USD, SPOT_OFFSET, BDA, ValueType.BLACK_VOLATILITY, quoteId, SURFACE_TENORS[i], SimpleStrike.of(SURFACE_STRIKES[j])));
                }
            }
            SURFACE_NODES  = nodeBuilder.build();
            SURFACE_QUOTES = quoteBuilder.build();
            IList <double> expiry = new List <double>();
            IList <double> strike = new List <double>();
            IList <double> vols   = new List <double>();

            for (int i = 0; i < SURFACE_TENORS.Count; ++i)
            {
                for (int j = 0; j < SURFACE_STRIKES.Count; ++j)
                {
                    double yearFraction = ACT_365F.relativeYearFraction(VALUATION_DATE, BDA.adjust(SPOT_OFFSET.adjust(VALUATION_DATE, REF_DATA).plus(SURFACE_TENORS[i]), REF_DATA));
                    expiry.Add(yearFraction);
                    strike.Add(SURFACE_STRIKES[j]);
                    vols.Add(SURFACE_VOL_QUOTES[i][j]);
                }
            }
            SurfaceInterpolator      interp  = GridSurfaceInterpolator.of(LINEAR, PCHIP);
            InterpolatedNodalSurface surface = InterpolatedNodalSurface.ofUnsorted(Surfaces.blackVolatilityByExpiryStrike(VOL_NAME.Name, ACT_365F), DoubleArray.copyOf(expiry), DoubleArray.copyOf(strike), DoubleArray.copyOf(vols), interp);

            SURFACE_EXP_VOLS = BlackFxOptionSurfaceVolatilities.of(VOL_NAME, GBP_USD, VALUATION_DATE.atTime(VALUATION_TIME).atZone(ZONE), surface);
        }