class BlackBondFutureOptionMarginedProductPricer {

  double marginIndex(ResolvedBondFutureOption option, double price) {
    double notional = option.getUnderlyingFuture().getNotional();
    return price * notional;
  }

  public  BlackBondFutureOptionMarginedProductPricer(
      DiscountingBondFutureProductPricer futurePricer);

}