public object Add(ComHistoricalTickBidAsk comHistoricalTickBidAsk)
        {
            var rval = comHistoricalTickBidAsk;

            HistoricalTickBidAskList.Add(rval);

            return(rval);
        }
        public object AddEmpty()
        {
            var rval = new ComHistoricalTickBidAsk();

            HistoricalTickBidAskList.Add(rval);

            return(rval);
        }