Market Data
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      2. Subway API
      3. Market Data

      Subscribe by Instrument

      Subscribe by Instrument

      Subscribe Instrument

      This message notifies the server to send market data updates for the specified instrument. Syntax is identical to the SubscribeClassMD message, but is instrument-specific and appends the InstrumentID as well

      Syntax

      SubscribeMD <InstrumentClassID> <InstrumentID>

      Example

      SubscribeMD 2201 1001322

      Unsubscribe Instrument

      This message notifies the server to stop sending market data updates for the specified instrument. Syntax is identical to that of the above message.

      Syntax

      UnsubscribeMD <InstrumentClassID> <InstrumentID>

      Example

      UnsubscribeMD 2201 1001322