Market Data
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      1. Metro Documentation Portal
      2. Subway API
      3. Market Data

      Subscribe by Class

      Subscribe by Class

      Subscribe Instrument Class

      This message notifies the server to send market data updates for all instruments of the specified instrument class.

      Syntax

      SubscribeClassMD <InstrumentClassID>

      Example

      SubscribeClassMD 2201

      Unsubscribe Instrument Class

      This message notifies the server to stop sending market data updates for all instruments of the specified instrument class.

      Syntax

      UnsubscribeClassMD <InstrumentClassID>

      Example

      UnsubscribeClassMD 2201