@Override
public Optional<Currency> defaultReportingCurrency(FxSwapTrade target) {
Currency base = target.getProduct().getNearLeg().getBaseCurrencyAmount().getCurrency();
Currency counter = target.getProduct().getNearLeg().getCounterCurrencyAmount().getCurrency();
CurrencyPair marketConventionPair = CurrencyPair.of(base, counter).toConventional();
return Optional.of(marketConventionPair.getBase());
}
@Override
public ScenarioResult<T> execute(FxSwapTrade trade, CalculationMarketData marketData) {
ExpandedFxSwap product = trade.getProduct().expand();
return IntStream.range(0, marketData.getScenarioCount())
.mapToObj(index -> new SingleCalculationMarketData(marketData, index))
.map(MarketDataRatesProvider::new)
.map(provider -> execute(product, provider))
.collect(toScenarioResult(isConvertCurrencies()));
}
private void calibration_market_quote_sensitivity_check(
Function<MarketData, ImmutableRatesProvider> calibrator, double shift) {
double notional = 100_000_000.0;
double fx = 1.1111;
double fxPts = 0.0012;
FxSwapTrade trade =
EUR_USD.toTrade(
VAL_DATE, Period.ofWeeks(6), Period.ofMonths(5), BuySell.BUY, notional, fx, fxPts);
ImmutableRatesProvider result =
CALIBRATOR.calibrate(CURVE_GROUP_CONFIG, VAL_DATE, ALL_QUOTES, TS);
PointSensitivities pts = FX_PRICER.presentValueSensitivity(trade.getProduct(), result);
CurveCurrencyParameterSensitivities ps = result.curveParameterSensitivity(pts);
CurveCurrencyParameterSensitivities mqs = MQC.sensitivity(ps, result);
double pvUsd = FX_PRICER.presentValue(trade.getProduct(), result).getAmount(USD).getAmount();
double pvEur = FX_PRICER.presentValue(trade.getProduct(), result).getAmount(EUR).getAmount();
double[] mqsUsd1Computed =
mqs.getSensitivity(USD_DSCON_CURVE_NAME, USD).getSensitivity().toArray();
for (int i = 0; i < USD_DSC_NB_NODES; i++) {
Map<MarketDataKey<?>, Object> map = new HashMap<>(ALL_QUOTES.getValues());
map.put(
QuoteKey.of(StandardId.of(SCHEME, USD_DSC_ID_VALUE[i])),
USD_DSC_MARKET_QUOTES[i] + shift);
ImmutableMarketData marketData = ImmutableMarketData.of(map);
ImmutableRatesProvider rpShifted = calibrator.apply(marketData);
double pvS = FX_PRICER.presentValue(trade.getProduct(), rpShifted).getAmount(USD).getAmount();
assertEquals(mqsUsd1Computed[i], (pvS - pvUsd) / shift, TOLERANCE_PV_DELTA);
}
double[] mqsUsd2Computed =
mqs.getSensitivity(USD_DSCON_CURVE_NAME, EUR).getSensitivity().toArray();
for (int i = 0; i < USD_DSC_NB_NODES; i++) {
Map<MarketDataKey<?>, Object> map = new HashMap<>(ALL_QUOTES.getValues());
map.put(
QuoteKey.of(StandardId.of(SCHEME, USD_DSC_ID_VALUE[i])),
USD_DSC_MARKET_QUOTES[i] + shift);
ImmutableMarketData ov = ImmutableMarketData.of(map);
ImmutableRatesProvider rpShifted = calibrator.apply(ov);
double pvS = FX_PRICER.presentValue(trade.getProduct(), rpShifted).getAmount(EUR).getAmount();
assertEquals(mqsUsd2Computed[i], (pvS - pvEur) / shift, TOLERANCE_PV_DELTA);
}
double[] mqsEur1Computed =
mqs.getSensitivity(EUR_DSC_CURVE_NAME, USD).getSensitivity().toArray();
for (int i = 0; i < EUR_DSC_NB_NODES; i++) {
assertEquals(mqsEur1Computed[i], 0.0, TOLERANCE_PV_DELTA);
}
double[] mqsEur2Computed =
mqs.getSensitivity(EUR_DSC_CURVE_NAME, EUR).getSensitivity().toArray();
for (int i = 0; i < EUR_DSC_NB_NODES; i++) {
Map<MarketDataKey<?>, Object> map = new HashMap<>(ALL_QUOTES.getValues());
map.put(
QuoteKey.of(StandardId.of(SCHEME, EUR_DSC_ID_VALUE[i])),
EUR_DSC_MARKET_QUOTES[i] + shift);
ImmutableMarketData marketData = ImmutableMarketData.of(map);
ImmutableRatesProvider rpShifted = calibrator.apply(marketData);
double pvS = FX_PRICER.presentValue(trade.getProduct(), rpShifted).getAmount(EUR).getAmount();
assertEquals(mqsEur2Computed[i], (pvS - pvEur) / shift, TOLERANCE_PV_DELTA, "Node " + i);
}
}
@Override
public FunctionRequirements requirements(FxSwapTrade trade) {
FxSwap fx = trade.getProduct();
Currency baseCurrency = fx.getNearLeg().getBaseCurrencyAmount().getCurrency();
Currency counterCurrency = fx.getNearLeg().getCounterCurrencyAmount().getCurrency();
Set<DiscountFactorsKey> discountCurveKeys =
ImmutableSet.of(
DiscountFactorsKey.of(baseCurrency), DiscountFactorsKey.of(counterCurrency));
return FunctionRequirements.builder()
.singleValueRequirements(discountCurveKeys)
.timeSeriesRequirements()
.outputCurrencies(baseCurrency, counterCurrency)
.build();
}