Best bid price of the tick.
Names of the set tick flags joined by ", ", for example Bid, Ask.
Price of the last committed transaction; zero when the price feed carries none.
ISO-8601 string when serialised over the wire; SignalR's JSON protocol
does not auto-revive Date. Parse on the consumer side if needed.
Instrument name as reported by the trade server.
Tick volume with extended precision, as supplied by the data provider.
Best ask price of the tick.