/**
* Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.provider.calculator.blackstirfutures;
import com.opengamma.analytics.financial.interestrate.InstrumentDerivativeVisitorAdapter;
import com.opengamma.analytics.financial.interestrate.future.derivative.InterestRateFutureOptionMarginSecurity;
import com.opengamma.analytics.financial.interestrate.future.derivative.InterestRateFutureOptionMarginTransaction;
import com.opengamma.analytics.financial.interestrate.future.provider.InterestRateFutureOptionMarginSecurityBlackRateMethod;
import com.opengamma.analytics.financial.provider.description.interestrate.BlackSTIRFuturesProviderInterface;
/**
* Calculates the implied volatility of interest rate future options.
*/
public final class ImpliedVolatilitySTIRFutureOptionCalculator extends InstrumentDerivativeVisitorAdapter<BlackSTIRFuturesProviderInterface, Double> {
/**
* The unique instance of the calculator.
*/
private static final ImpliedVolatilitySTIRFutureOptionCalculator INSTANCE = new ImpliedVolatilitySTIRFutureOptionCalculator();
/**
* Gets the calculator instance.
* @return The calculator.
*/
public static ImpliedVolatilitySTIRFutureOptionCalculator getInstance() {
return INSTANCE;
}
/**
* Constructor.
*/
private ImpliedVolatilitySTIRFutureOptionCalculator() {
}
/**
* Pricing methods.
*/
private static final InterestRateFutureOptionMarginSecurityBlackRateMethod METHOD_STIR_MARGIN = InterestRateFutureOptionMarginSecurityBlackRateMethod.getInstance();
@Override
public Double visitInterestRateFutureOptionMarginTransaction(final InterestRateFutureOptionMarginTransaction futures, final BlackSTIRFuturesProviderInterface black) {
return METHOD_STIR_MARGIN.impliedVolatility(futures.getUnderlyingSecurity(), black);
}
@Override
public Double visitInterestRateFutureOptionMarginSecurity(final InterestRateFutureOptionMarginSecurity futures, final BlackSTIRFuturesProviderInterface black) {
return METHOD_STIR_MARGIN.impliedVolatility(futures, black);
}
}