/**
* Copyright (C) 2015 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.provider.calculator.normalstirfutures;
import com.opengamma.analytics.financial.interestrate.InstrumentDerivativeVisitorAdapter;
import com.opengamma.analytics.financial.interestrate.future.derivative.InterestRateFutureOptionMarginTransaction;
import com.opengamma.analytics.financial.interestrate.future.provider.InterestRateFutureOptionMarginTransactionNormalSmileMethod;
import com.opengamma.analytics.financial.provider.description.interestrate.NormalSTIRFuturesProviderInterface;
/**
* Calculates the present value gamma (second derivative of the present value with respect to the underlying future price) for interest rate
* future options.
*/
public final class PositionGammaNormalSTIRFutureOptionCalculator extends
InstrumentDerivativeVisitorAdapter<NormalSTIRFuturesProviderInterface, Double> {
/**
* The unique instance of the calculator.
*/
private static final PositionGammaNormalSTIRFutureOptionCalculator INSTANCE = new PositionGammaNormalSTIRFutureOptionCalculator();
/**
* Gets the calculator instance.
* @return The calculator.
*/
public static PositionGammaNormalSTIRFutureOptionCalculator getInstance() {
return INSTANCE;
}
/**
* Constructor.
*/
private PositionGammaNormalSTIRFutureOptionCalculator() {
}
/**
* Pricing methods.
*/
private static final InterestRateFutureOptionMarginTransactionNormalSmileMethod METHOD_STIR = InterestRateFutureOptionMarginTransactionNormalSmileMethod
.getInstance();
@Override
public Double visitInterestRateFutureOptionMarginTransaction(InterestRateFutureOptionMarginTransaction futures,
NormalSTIRFuturesProviderInterface normal) {
return METHOD_STIR.presentValueGamma(futures, normal);
}
}