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FIX MESSAGE 35=BS

TradingSessionListUpdateReport

MsgType (35) = BSMarketStructureReferenceDataAdded FIX.5.0

Definition

The Trading Session List Update Report is used by marketplaces to provide intra-day updates of trading sessions when there are changes to one or more trading sessions.

Message structure 77 distinct fields

Source order, including nested components and groups. Group counts precede the repeated entries. “Required here” is relative to the enclosing component or group, not unconditional in the message. A dash means not marked required; conditional requirements remain in the source notes. This is a reference, not a counterparty-specific validator.

  1. StandardHeaderComponentRequired

    MsgType = BS

    1. 8 BeginStringStringRequired here

      FIXT.1.1 (Always unencrypted, must be first field in message)

    2. 9 BodyLengthLengthRequired here

      (Always unencrypted, must be second field in message)

    3. 35 MsgTypeStringRequired here

      (Always unencrypted, must be third field in message)

    4. Indicates application version using a service pack identifier. The ApplVerID applies to a specific message occurrence.

    5. Used to support bilaterally agreed custom functionality

    6. 49 SenderCompIDStringRequired here

      (Always unencrypted)

    7. 56 TargetCompIDStringRequired here

      (Always unencrypted)

    8. Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.)

    9. Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.)

    10. 90 SecureDataLenDeprecated FIXT.1.1Length

      Required to identify length of encrypted section of message. (Always unencrypted)

    11. 91 SecureDataDeprecated FIXT.1.1data

      Required when message body is encrypted. Always immediately follows SecureDataLen field.

    12. 34 MsgSeqNumSeqNumRequired here

      (Can be embedded within encrypted data section.)

    13. (Can be embedded within encrypted data section.)

    14. Sender's LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.)

    15. "ADMIN" reserved for administrative messages not intended for a specific user. (Can be embedded within encrypted data section.)

    16. Trading partner LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.)

    17. Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.)

    18. Trading partner LocationID (i.e. geographic location and/or desk) used when delivering messages via a third party. (Can be embedded within encrypted data section.)

    19. Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.)

    20. Trading partner LocationID (i.e. geographic location and/or desk) used when delivering messages via a third party. (Can be embedded within encrypted data section.)

    21. 43 PossDupFlagBoolean

      Always required for retransmitted messages, whether prompted by the sending system or as the result of a resend request. (Can be embedded within encrypted data section.)

    22. 97 PossResendBoolean

      Required when message may be duplicate of another message sent under a different sequence number. (Can be embedded within encrypted data section.)

    23. 52 SendingTimeUTCTimestampRequired here

      (Can be embedded within encrypted data section.)

    24. 122 OrigSendingTimeUTCTimestamp

      Required for message resent as a result of a ResendRequest. If data is not available set to same value as SendingTime (Can be embedded within encrypted data section.)

    25. Required when specifying XmlData to identify the length of a XmlData message block. (Can be embedded within encrypted data section.)

    26. Can contain a XML formatted message block (e.g. FIXML). Always immediately follows XmlDataLen field. (Can be embedded within encrypted data section.) See Volume 1: FIXML Support

    27. Type of message encoding (non-ASCII characters) used in a message's "Encoded" fields. Required if any "Encoding" fields are used.

    28. The last MsgSeqNum value received by the FIX engine and processed by downstream application, such as trading system or order routing system. Can be specified on every message sent. Useful for detecting a backlog with a counterparty.

    29. HopGrpRepeating groupCount tag 627

      Number of repeating groups of historical "hop" information. Only applicable if OnBehalfOfCompID is used, however, its use is optional. Note that some market regulations or counterparties may require tracking of message hops.

      1. 627 NoHopsGroup count
      2. 628 HopCompIDString
      3. 629 HopSendingTimeUTCTimestamp
      4. 630 HopRefIDSeqNum
  2. ApplicationSequenceControlComponent
    1. 1180 ApplIDString

      Identifies the application with which a message is associated. Used only if application sequencing is in effect.

    2. Application sequence number assigned to the message by the application generating the message. Used only if application sequencing is in effect. Conditionally required if ApplID has been specified.

    3. The previous sequence number in the application sequence stream. Permits an application to publish messages with sequence gaps where it cannot be avoided. Used only if application sequencing is in effect. Conditionally required if ApplID has been specified

    4. Used to indicate that a message is being sent in response to an Application Message Request. Used only if application sequencing is in effect. It is possible for both ApplResendFlag and PossDupFlag to be set on the same message if the Sender's cache size is greater than zero and the message is being resent due to a session level resend request.

  3. Provided for a response to a specific Trading Session List Request message (snapshot).

  4. TrdSessLstGrpRepeating groupCount tag 386Required
    1. 386 NoTradingSessionsGroup countRequired here
    2. 336 TradingSessionIDStringRequired here

      Identifier for Trading Session

    3. 207 SecurityExchangeDeprecated FIX.5.0SP1Exchange
    4. 1301 MarketIDExchange

      Market for which Trading Session applies

    5. Market Segment for which Trading Session applies

    6. Method of Trading

    7. Trading Session Mode

    8. "Y" if message is sent unsolicited as a result of a previous subscription request.

    9. 340 TradSesStatusintRequired here

      State of trading session.

    10. Used with TradSesStatus = "Request Rejected"

    11. 341 TradSesStartTimeUTCTimestamp

      Starting time of trading session

    12. 342 TradSesOpenTimeUTCTimestamp

      Time of the opening of the trading session

    13. Time of pre-close of trading session

    14. 344 TradSesCloseTimeUTCTimestamp

      Closing time of trading session

    15. 345 TradSesEndTimeUTCTimestamp

      End time of trading session

    16. TradingSessionRulesComponent
      1. OrdTypeRulesRepeating groupCount tag 1237

        Specifies the order types that are valid for trading. The scope of the rule is determined by the context in which the component is used. In this case, the scope is trading session.

        1. 1237 NoOrdTypeRulesGroup count

          Number of order types

        2. 40 OrdTypechar

          Indicates order types that are valid for the specified market segment.

      2. TimeInForceRulesRepeating groupCount tag 1239

        specifies the time in force rules that are valid for trading. The scope of the rule is determined by the context in which the component is used. In this case, the scope is trading session

        1. Number of time in force techniques

        2. Indicates time in force techniques that are valid for the specified market segment

      3. ExecInstRulesRepeating groupCount tag 1232

        specifies the execution instructions that are valid for trading. The scope of the rule is determined by the context in which the component is used. In this case, the scope is trading session

        1. 1232 NoExecInstRulesGroup count

          Number of execution instructions

        2. Indicates execution instructions that are valid for the specified market segment

      4. MatchRulesRepeating groupCount tag 1235

        specifies the matching rules that are valid for trading. The scope of the rule is determined by the context in which the component is used. In this case, the scope is trading session

        1. 1235 NoMatchRulesGroup count

          Number of match rules

        2. The type of algorithm used to match orders in a specific security on an electronic trading platform. Possible values are FIFO, Allocation, Pro-rata, Lead Market Maker, Currency Calendar

        3. 574 MatchTypeString

          The point in the matching process at which this trade was matched.

      5. MarketDataFeedTypesRepeating groupCount tag 1141

        specifies the market data feed types that are valid for trading. The scope of the rule is determined by the context in which the component is used. In this case, the scope is trading session

        1. 1141 NoMDFeedTypesGroup count

          The number of feed types and corresponding book depths associated with a security

        2. Describes a class of service for a given data feed

        3. The depth of book associated with a particular feed type

        4. Describes the type of book for which the feed is intended. Can be used when multiple feeds are provided over the same connection

    17. 60 TransactTimeUTCTimestamp
    18. 58 TextString
    19. Must be set if EncodedText field is specified and must immediately precede it.

    20. Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field.

  5. StandardTrailerComponentRequired
    1. 93 SignatureLengthDeprecated FIXT.1.1Length

      Required when trailer contains signature. Note: Not to be included within SecureData field

    2. 89 SignatureDeprecated FIXT.1.1data

      Note: Not to be included within SecureData field

    3. 10 CheckSumStringRequired here

      (Always unencrypted, always last field in message)