/**
* Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.provider.calculator.discounting;
import com.opengamma.analytics.financial.forex.derivative.Forex;
import com.opengamma.analytics.financial.forex.derivative.ForexSwap;
import com.opengamma.analytics.financial.forex.provider.ForexDiscountingMethod;
import com.opengamma.analytics.financial.forex.provider.ForexSwapDiscountingMethod;
import com.opengamma.analytics.financial.interestrate.InstrumentDerivativeVisitorAdapter;
import com.opengamma.analytics.financial.interestrate.cash.derivative.Cash;
import com.opengamma.analytics.financial.interestrate.cash.derivative.DepositIbor;
import com.opengamma.analytics.financial.interestrate.cash.provider.CashDiscountingMethod;
import com.opengamma.analytics.financial.interestrate.cash.provider.DepositIborDiscountingMethod;
import com.opengamma.analytics.financial.interestrate.fra.derivative.ForwardRateAgreement;
import com.opengamma.analytics.financial.interestrate.fra.provider.ForwardRateAgreementDiscountingProviderMethod;
import com.opengamma.analytics.financial.interestrate.future.derivative.FederalFundsFutureTransaction;
import com.opengamma.analytics.financial.interestrate.future.derivative.InterestRateFutureTransaction;
import com.opengamma.analytics.financial.interestrate.future.provider.FederalFundsFutureSecurityDiscountingMethod;
import com.opengamma.analytics.financial.interestrate.future.provider.InterestRateFutureSecurityDiscountingMethod;
import com.opengamma.analytics.financial.interestrate.payments.derivative.CouponFixedAccruedCompounding;
import com.opengamma.analytics.financial.interestrate.payments.derivative.CouponONCompounded;
import com.opengamma.analytics.financial.interestrate.swap.derivative.Swap;
import com.opengamma.analytics.financial.interestrate.swap.derivative.SwapFixedCoupon;
import com.opengamma.analytics.financial.provider.description.interestrate.MulticurveProviderInterface;
import com.opengamma.util.ArgumentChecker;
/**
* Compute the spread to be added to the market standard quote of the instrument for which the present value of the instrument is zero.
* The notion of "market quote" will depend of each instrument.
*/
public final class ParSpreadMarketQuoteDiscountingCalculator extends InstrumentDerivativeVisitorAdapter<MulticurveProviderInterface, Double> {
/**
* The unique instance of the calculator.
*/
private static final ParSpreadMarketQuoteDiscountingCalculator INSTANCE = new ParSpreadMarketQuoteDiscountingCalculator();
/**
* Gets the calculator instance.
* @return The calculator.
*/
public static ParSpreadMarketQuoteDiscountingCalculator getInstance() {
return INSTANCE;
}
/**
* Constructor.
*/
private ParSpreadMarketQuoteDiscountingCalculator() {
}
/**
* The methods and calculators.
*/
private static final PresentValueDiscountingCalculator PVMC = PresentValueDiscountingCalculator.getInstance();
private static final PresentValueMarketQuoteSensitivityDiscountingCalculator PVMQSC = PresentValueMarketQuoteSensitivityDiscountingCalculator.getInstance();
private static final CashDiscountingMethod METHOD_DEPOSIT = CashDiscountingMethod.getInstance();
private static final DepositIborDiscountingMethod METHOD_DEPOSIT_IBOR = DepositIborDiscountingMethod.getInstance();
private static final ForwardRateAgreementDiscountingProviderMethod METHOD_FRA = ForwardRateAgreementDiscountingProviderMethod.getInstance();
private static final InterestRateFutureSecurityDiscountingMethod METHOD_STIR_FUT = InterestRateFutureSecurityDiscountingMethod.getInstance();
private static final ForexSwapDiscountingMethod METHOD_FOREX_SWAP = ForexSwapDiscountingMethod.getInstance();
private static final ForexDiscountingMethod METHOD_FOREX = ForexDiscountingMethod.getInstance();
private static final FederalFundsFutureSecurityDiscountingMethod METHOD_FED_FUNDS = FederalFundsFutureSecurityDiscountingMethod.getInstance();
// ----- Deposit -----
@Override
public Double visitCash(final Cash deposit, final MulticurveProviderInterface multicurve) {
return METHOD_DEPOSIT.parSpread(deposit, multicurve);
}
@Override
public Double visitDepositIbor(final DepositIbor deposit, final MulticurveProviderInterface multicurve) {
return METHOD_DEPOSIT_IBOR.parSpread(deposit, multicurve);
}
// ----- Payment/Coupon ------
@Override
public Double visitForwardRateAgreement(final ForwardRateAgreement fra, final MulticurveProviderInterface multicurve) {
return METHOD_FRA.parSpread(fra, multicurve);
}
// ----- Swaps -----
/**
* For swaps the ParSpread is the spread to be added on each coupon of the first leg to obtain a present value of zero.
* It is computed as the opposite of the present value of the swap in currency of the first leg divided by the present value of a basis point
* of the first leg (as computed by the PresentValueMarketQuoteSensitivityDiscountingCalculator).
* @param swap The swap.
* @param multicurves The multi-curves provider.
* @return The par spread.
*/
@Override
public Double visitSwap(final Swap<?, ?> swap, final MulticurveProviderInterface multicurves) {
ArgumentChecker.notNull(multicurves, "Market");
ArgumentChecker.notNull(swap, "Swap");
// Implementation note: if the swap is an On compounded (ie Brazilian like), the parspread formula is not the same.
if (swap.getSecondLeg().getNthPayment(0) instanceof CouponONCompounded && swap.getFirstLeg().getNthPayment(0) instanceof CouponFixedAccruedCompounding &&
swap.getFirstLeg().getNumberOfPayments() == 1) {
// Implementation note: check if the swap is a Brazilian swap.
final CouponFixedAccruedCompounding cpnFixed = (CouponFixedAccruedCompounding) swap.getFirstLeg().getNthPayment(0);
final double pvONLeg = swap.getSecondLeg().accept(PVMC, multicurves).getAmount(swap.getSecondLeg().getCurrency());
final double discountFactor = multicurves.getDiscountFactor(swap.getFirstLeg().getCurrency(), cpnFixed.getPaymentTime());
final double paymentYearFraction = cpnFixed.getPaymentYearFraction();
final double notional = ((CouponONCompounded) swap.getSecondLeg().getNthPayment(0)).getNotional();
return Math.pow(pvONLeg / discountFactor / notional, 1 / paymentYearFraction) - 1 - cpnFixed.getFixedRate();
}
return -multicurves.getFxRates().convert(swap.accept(PVMC, multicurves), swap.getFirstLeg().getCurrency()).getAmount() / swap.getFirstLeg().accept(PVMQSC, multicurves);
}
@Override
public Double visitFixedCouponSwap(final SwapFixedCoupon<?> swap, final MulticurveProviderInterface multicurve) {
return visitSwap(swap, multicurve);
}
// ----- Futures -----
@Override
public Double visitInterestRateFutureTransaction(final InterestRateFutureTransaction futures, final MulticurveProviderInterface multicurves) {
return METHOD_STIR_FUT.price(futures.getUnderlying(), multicurves) - futures.getReferencePrice();
}
@Override
public Double visitFederalFundsFutureTransaction(final FederalFundsFutureTransaction future, final MulticurveProviderInterface multicurve) {
return METHOD_FED_FUNDS.price(future.getUnderlyingFuture(), multicurve) - future.getReferencePrice();
}
// ----- Forex -----
@Override
public Double visitForexSwap(final ForexSwap fx, final MulticurveProviderInterface multicurves) {
return METHOD_FOREX_SWAP.parSpread(fx, multicurves);
}
@Override
public Double visitForex(final Forex fx, final MulticurveProviderInterface multicurves) {
return METHOD_FOREX.parSpread(fx, multicurves);
}
}