public ReservedBuyingPowerForPosition GetReservedBuyingPowerForPosition(ReservedBuyingPowerForPositionParameters parameters)
        {
            EnsureSecurityExists(parameters.Security);
            var expected = SecurityModel.GetReservedBuyingPowerForPosition(parameters);

            if (reentry)
            {
                return(expected);
            }

            reentry = true;

            reentry = false;
            return(expected);
        }