// parses the additional GenericSecurityPosition information
        internal static Position parseNonEtdPosition(CsvRow row, PositionInfo info, PositionCsvInfoResolver resolver)
        {
            SecurityPosition    @base        = parseSecurityPosition(row, info, resolver);
            double?             tickSizeOpt  = row.findValue(TICK_SIZE).map(str => LoaderUtils.parseDouble(str));
            Optional <Currency> currencyOpt  = row.findValue(CURRENCY).map(str => Currency.of(str));
            double?             tickValueOpt = row.findValue(TICK_VALUE).map(str => LoaderUtils.parseDouble(str));
            double              contractSize = row.findValue(CONTRACT_SIZE).map(str => LoaderUtils.parseDouble(str)).orElse(1d);

            if (tickSizeOpt.HasValue && currencyOpt.Present && tickValueOpt.HasValue)
            {
                SecurityPriceInfo priceInfo = SecurityPriceInfo.of(tickSizeOpt.Value, CurrencyAmount.of(currencyOpt.get(), tickValueOpt.Value), contractSize);
                GenericSecurity   sec       = GenericSecurity.of(SecurityInfo.of(@base.SecurityId, priceInfo));
                return(GenericSecurityPosition.ofLongShort(@base.Info, sec, @base.LongQuantity, @base.ShortQuantity));
            }
            return(@base);
        }
        // parses a trade from the CSV row
        internal static SecurityQuantityTrade parseTrade(CsvRow row, TradeInfo info, TradeCsvInfoResolver resolver)
        {
            SecurityTrade trade = parseSecurityTrade(row, info, resolver);
            SecurityTrade @base = resolver.completeTrade(row, trade);

            double?tickSizeOpt = row.findValue(TICK_SIZE).map(str => LoaderUtils.parseDouble(str));
            Optional <Currency> currencyOpt = row.findValue(CURRENCY).map(str => Currency.of(str));
            double?tickValueOpt             = row.findValue(TICK_VALUE).map(str => LoaderUtils.parseDouble(str));
            double contractSize             = row.findValue(CONTRACT_SIZE).map(str => LoaderUtils.parseDouble(str)).orElse(1d);

            if (tickSizeOpt.HasValue && currencyOpt.Present && tickValueOpt.HasValue)
            {
                SecurityPriceInfo priceInfo = SecurityPriceInfo.of(tickSizeOpt.Value, CurrencyAmount.of(currencyOpt.get(), tickValueOpt.Value), contractSize);
                GenericSecurity   sec       = GenericSecurity.of(SecurityInfo.of(@base.SecurityId, priceInfo));
                return(GenericSecurityTrade.of(@base.Info, sec, @base.Quantity, @base.Price));
            }
            return(@base);
        }