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• BlackSabrSwaptionVolatilities.java

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com.opengamma.strata.pricer.swaption.BlackSabrSwaptionVolatilities Maven / Gradle / Ivy

/*
 * Copyright (C) 2022 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.strata.pricer.swaption;

import com.opengamma.strata.market.ValueType;

/**
 * Volatility for swaptions in SABR model.
 * 

 * The volatility is represented in terms of SABR model parameters.
 * 

 * The prices are calculated using the SABR implied volatility with respect to the Black formula.
 */
public interface BlackSabrSwaptionVolatilities 
    extends SabrSwaptionVolatilities {

  @Override
  public default ValueType getVolatilityType() {
    return ValueType.BLACK_VOLATILITY; // SABR implemented with Black implied volatility
  }

}