CME STP FIX - FIX Protocol

CME STP FIX - FIX Protocol

CME STP FIX based on the standard FIX 4.4 specification with custom CME Group extensions and FIX Data dictionary.

All FIX administration-level messages are supported. The structure and semantics of FIX messages adhere to the standard, with some modifications. The following FIX application-level messages are supported:

  • From FIX Client to CME STP FIX:

    • Trade Capture Report Request (tag 35-MsgType= AD)

  • From CME STP FIX to FIX Client:

    • Trade Capture Report Request Ack (tag 35-MsgType = AQ)

    • Trade Capture Report (tag 35-MsgType = AE)

    • Collateral Report (tag 35-MsgType = BA) - Applicable to BrokerTec Repo Markets only.

If an unsupported message is received by CME STP FIX, Session Level Reject (tag 35-MsgType= 3) message is sent in a response.

All FIX messages contain Standard Message Header (Client system to CME STP FIX / CME STP FIX to client system) and Standard Message Trailer component blocks. CME STP FIX usage of these blocks is compliant with standard FIX 4.4. 

 




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