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This page captures Client Systems Wiki content updates over at least the last year for current state platforms and services. 

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Date

Topic

Description

11/1/2024

CME STP FIX Core - Updated connectivity, session layer, added samples, duplicate message detection, subscriptions.

11/1/2024

CME STP FIXML Core - Updated connectivity, session layer, added samples, duplicate message detection, subscriptions.

11/1/2024

CME FX Link Spread - added:

In section FX Spot Leg CME Globex Tag Summary added Product Name row "US Dollar/Offshore Chinese Renminbi Spot FX."

In section CME FX Link Spread CME Globex Tag Summary added Spread Name row "US Dollar/Offshore Chinese Renminbi Spot FX Basis Spread."

11/1/2024

Packet Capture Dataset - Added Message Specification section

11/1/2024

End of Market Summary - Basic Plus - Updated intro and the Format FAQ section
End of Market Summary - Premium Plus - Updated intro and the Format FAQ section

10/31/2024

Time and Sales - Updated Layout Guides section

10/29/2024

iLink 3 Binary Order Entry - Updated:

  • <marketsegment id="6label="CME Globex Order Entry Service Gateway for all CGWs">
  • <marketsegment id="12" label="CME Globex Order Entry Service Gateway for all MSGWs">
10/25/2024

Velocity Logic - Updated text for bullet:

In the event that a Fill and Kill , Minimum Quantity, or Market order is determined by CME Globex to trigger Velocity Logic:

  • an Execution Report - Order Cancel is sent (tag 35-MsgType=8, tag 39-OrdStatus=4);
    • Fill and Kill and Minimum Quantity order eliminated (tag 35-MsgType=8, tag 39-OrdStatus=C); unsolicited cancel from Exchange (tag 378-ExecRestatementReason=8).
    • Market order eliminated (tag 35-MsgType=8, tag 39-OrdStatus=C); unsolicited cancel from Exchange (tag 378-ExecRestatementReason=111).
10/25/2024

CME Globex Self-Match Prevention - Added info box under Values for Cancel Type Indicator.

Info

When SMP is triggered by an aggressing Market order with tag 8000-SelfMatchPreventionInstruction = O (Old)

  • Resting order is cancelled with tag 378-ExecRestatementReason = 103(Cancel Oldest (Resting) due to Self-Match Prevention)
  • Aggressing Market order is acknowledged and then cancelled with tag 378-ExecRestatementReason = 111 (System Cancel)
10/25/2024

Mass Quote Protections - Removed MQP parameters: New Quote Fill (X), Execution (Y), Buy/Sell (Sides)

10/25/2024

CME FX Link Spread - added:

  • Currency Pair USD/CNH.
  • Product Name US Dollar / Offshore Chinese Renminbi Spot FX

Updated iLInk: tag 107-SecurityDesc/MDP 3.0: tag 55-Symbol for Product Name U.S. Dollar/South African Rand Spot FX to USDZARF5102.

10/25/2024

iLink 3 Binary Order Entry - Business Layer - In table, changed OESGW for Market Segment ID 6 and 12.

Added info box under Party Details Definition Request:

Info

Due to the internal workflow for Party Detail registration, there may be occasional latency up to 1 second affecting newly registered Party Details' availability on all Market Segment Gateways.  Any client message submitted with an unknown PartyDetailsListReqID being referenced in business message will be rejected. CME Globex will send a Business Reject (tag 35-MsgType=j) message including tag 380-BusinessReject Reason = 1<Unknown ID>.

10/24/2024

Drop Copy for iLink 3 Binary Order Entry - Removed note from Fix Tag 57:

For an Order Status Request Acknowledgment - Execution Report, CME Globex will echo back tag 57-TargetSubID values in tag 50-SenderSubID submitted by the client system in the Order Status Request (tag 35-MsgType=H) and Order Mass Status Request (tag 35.

10/24/2024

iLink 3 Execution Report - Status - Tag 790 Description changed to: 

Used to uniquely identify a specific Order Status Request message.

10/23/2024

CME Group Federation Single Sign-On Integration - Federation Single Sign-On allowed for EBS Workstation and Co-Location Portal (no longer part of the exception list).

10/22/2024

Removed On-SEF NDF Tailored Order Books, which will be replaced with an updated topic at a future date

10/21/2024

Client API Service Adoption using OAuth 2.0 Protocol - added information for converting Basic Auth ID to OAuth ID and updated examples for Authentication Responses.

10/17/2024

Drop Copy Service for iLink - BrokerTec Markets

Tag 18 Valid Values changed to:

  • 1:Not Held
  • G:All Or None
  • Z:Cancel If Not Best

Tag 18 Description changed to "Instructions for order handling on exchange. If more than one instruction is applicable to an order, this field can contain multiple instructions separated by space."

Tag 9373 Valid Values changed to:

  • N=False
  • Y=True
10/15/2024

CME Public IP Prefix Summary - removed A and B Feed MDP Source Range

10/15/2024

Archived CME Market Data Over WebSocket API Enhancement for Subscription, information is available at:

10/11/2024

iLink 3 Execution Report - Status - Tag 790 Description changed to:

Used to uniquely identify a specific Order Status Request message.

  • For iLink 3 MSGW, tag 790 is echoed back on Execution Report.
  • For iLink 3 CGW, tag 790 is not echoed back on Execution Report.
10/11/2024

iLink 3 Order Status Request - Tag 790 Description changed to:

Used to uniquely identify a specific Order Status Request message.

  • For iLink 3 MSGW, tag 790 is echoed back on Execution Report.
  • For iLink 3 CGW, tag 790 is not echoed back on Execution Report.
10/10/2024

CME Reference Data API - CME Globex Trading Hours and Holiday Schedules - added new topic

10/9/2024

New BrokerTec GTC-GTD Order Qualifiers- added new client impact assessment topic.

10/9/2024

BrokerTec MDP 3.0 SBE Schema Update - added new client impact assessment topic.

10/8/2024

CME Disaster Recovery Testing - modified sentences:

  • Retrieve trade register and price data file (SPAN) via DR SFTP servers.
  • This exercise is typically held on a Saturday in October.
10/8/2024

Front End Applications DR Process - modified sentence "As quickly as feasible, the DR event is communicated by the Global Command Center (GCC) using the notification procedure. "

10/7/2024

CME Market Data REST APIs - added new topic

10/3/2024

Enabling User Defined Spreads for Specific NYMEX Energy Futures-ARCHIVED - removed topic; since release went into Production. Removed an exception statement in the section: User Defined Spreads

10/3/2024

Margin Software - added a section describing the expected use of chunked risk parameter files

10/3/2024

Testing the Futures and Options Deployable Software - published additional topic, which includes existing content as separated out of Margin Software topic.

10/2/2024

Margin Software Release Notes - added release notes for optional versions 3.1.17 and 3.1.18

10/2/2024

Drop Copy Service for iLink - removed note "In the Application Resend process, the message sequence range is sent in the Application Message Request Acknowledgment (tag 35-MsgType=BW) in tags 1182-ApplBeginSeqNo and 1183-ApplEndSeqNo."

9/27/2024

iLink 3 Order Cancel Replace - Tag Value Modification - removed row for tag 167-SecurityType as it is no longer used for iLink 3.

9/27/2024

iLink 3 Application Layer - added row iLink 3 Party Details Definition Request to Inbound/Outbound Response.

9/26/2024

Cryptocurrency - Bitcoin - added Bitcoin Friday Futures Daily Settlement Procedure

9/26/2024

CME Connectivity Offerings - added Data Center Connection Agreement (DCCA) fee schedule

9/25/2024

BrokerTec U.S. Repo Managed Order Enrichment - added new client impact assessment.

9/25/2024

CME Cross Currency API - added new client impact assessment and accompanying message specifications:

9/25/2024

The following message specifications were updated, tag 523-PartySubID allows a maximum of 250 characters 

9/25/2024

The following message specifications were updated, repeating group →→523-PartySubID allows a maximum of 250 characters

9/25/2024

CME STP - EBS FX - TradeCaptureReport - tag 523-PtysSubGrp allows a maximum of 250 characters

9/25/2024

CME STP - TradeCaptureReport - TrdCapRptSideGrp - STP: repeating group →→ Party Qualifier ID allows a maximum of 250 characters

9/24/2024

Mass Quotes - removed content regarding Interest Rate options.

9/20/2024

Updated tag 571-TradeReportID, maximum length of 63 characters for:

9/20/2024

CME STP - TradeCaptureReport - STP - updated Message ID (RptID), maximum length of 63 characters

9/20/2024

CME STP - TradeCaptureReport - TrdCapRptSideGrp - STP - updated tag 37-OrderID, maximum length of 38 characters

9/20/2024

updated tag 37-OrderID, maximum length of 38 characters for:

9/20/2024

updated tag 37-OrderID, maximum length of 38 characters for:

9/20/2024

CME Smart Stream Websockets - Subscription - updated Input - Subscription Request with periodCodes and spreadReportTypes

9/20/2024

CME Market Data Over WebSocket API - Message Examples - added Example 3 - Trade Subscription using filters

9/18/2024

CME Market Data Over WebSocket API Enhancement for Subscription - archive - added new client impact assessment.

9/18/2024

Regulatory Impacts - added new client impact assessment.

9/18/2024

Position Reporting Under CFTC Part 17 - added new client impact assessment.

9/17/2024

CME STP - EBS FX - TradeCaptureReportRequest - updated FIX tag 1003-TradeID for current usage and planned EBS Direct update

9/16/2024

iLink 3 Execution Report - Trade Outright - updated description for Tag 1797.

9/16/2024

iLink 3 Execution Report - Trade Spread - updated description for Tag 1797.

9/16/2024

iLink 3 Execution Report - Trade Spread Leg - updated description for Tag 1797.

9/16/2024

iLink 3 Execution Report - Trade Addendum Outright - updated description for Tag 1797.

9/16/2024

iLink 3 Execution Report - Trade Addendum Spread - updated description for Tag 1797.

9/16/2024

iLink 3 Execution Report - Trade Addendum Spread Leg - updated description for Tag 1797.

9/12/2024

MDP 3.0 - CME Globex Market Data Channel Guide - updated EBS Market New York and London channel options

9/11/2024

EBS Market NDF Single Liquidity Pool - added new client impact assessment.

8/30/2024

This topic now captures content updates thru at least the prior year. Included link to historical revision history details starting in 5/7/2012.  

8/27/2024

SPAN 2 Risk Analysis Framework - Updated formatting and Terminology for Key Fields section

8/27/2024

iLink 3 Binary Order Entry - added Application Messaging Thresholds section

8/27/2024

Risk Management Services - added Testing and Certification section. 

8/23/2024

EBS Conditional Price Increments - added new topic

8/22/2024

Updated topic to included links to new services: CME STP on Google Cloud, CME Globex on Google Cloud, and CME Term SOFR API. Reorganized associated topics for CME FedWatch API on Google Cloud and Onboarding to CME Group PubSub as subtopics under the CME Market Data topic.

8/21/2024

CME Globex on Google Cloud - added new client impact assessment.

8/21/2024

CME Market Data Impacts - CME Term SOFR API - added new client impact assessment.

8/20/2024

CME Smart Stream on GCP - added a list of CME Smart Stream on GCP market data services

8/19/2024

Options with Truncated Strike Prices - Updated page to clarify use of tag 202 and harmonize product language.

8/19/2024

SBE Streamlined - FTP and SFTP Site Information - Updated table.

8/19/2024

SBE - Streamlined - Support Services - Updated table.

8/19/2024

Updated to include links to AutoCert+ testing and certification instructions for futures and options, BrokerTec and EBS.

8/19/2024

SBE - Streamlined Market Data for CME CF Cryptocurrency Indices - added testing and certification information

8/19/2024

SBE - Testing and Certification Requirements - removed page, merged testing and certification information to SBE - Streamlined Market Data for CME CF Cryptocurrency Indices

8/14/2024

Futures Implied Order Matching Priority - added page under Implied Orders.

8/14/2024

Spreads and Combinations Available on CME Globex - added new Instrument Type Balanced Strip Butterfly.

8/9/2024

Futures Implied Priority List - added Priority 135 for BB Strategy Type.

8/8/2024

MDP 3.0 - Market Data Security Definition - Futures - Updated Valid Values for tags 5799, 980, 1682, 462, 207, 22, →865, →871

8/8/2024

MDP 3.0 - Market Data Security Definition - Options - Updated Valid Values for tags 5799, 980, 1682, 462, 207, 22, →865, →871

8/8/2024

Spreads and Combinations Available on CME Globex - clarified the term "spread":  All multilegged instruments are technically defined as 'Combinations' in CME Group reference data services, and are commonly referred to as Spreads.

8/7/2024

iLink 3 Binary Order Entry - BrokerTec Markets - Clarified information "For BrokerTec US and EU Repo markets, tag 5392-SenderID modification is not allowed."

8/2/2024

Australian Trade Repository - Retired this topic.

8/2/2024

BrokerTec Reject Codes - Added Error Code 2103.

8/1/2024

CME STP - TradeCaptureReportRequest - STP - Updated Start Time (StartTm) with timezone offset details. 

7/30/2024

iLink Order Entry - Added section Testing and Certification and removed this section from these subpages of iLink Order Entry:

7/26/2024

Fed Funds Variation - Added new page.

7/24/2024

Mass Quote Protections - After October 13, 2024, CME Group will continue to support the existing MQP type: Traded Quantity (Z) and Delta (D).

7/24/2024

CME Market Data ImpactsFutures and Options SBE Schema Updates - added new client impact assessment.

7/24/2024

CME STP Core - updated Onboarding, Testing and Certifications information.

7/24/2024

iLink 3 Party Details Definition Request Acknowledgment - Added Tag 2668 description "Applicable for fixed income and EBS markets."

7/24/2024

iLink 3 Party Details Definition Request - Added Tag 2668 description "Applicable for fixed income and EBS markets."

7/24/2024

iLink 3 Party Details List Report - Added Tag 2668 description "Applicable for fixed income and EBS markets."

7/19/2024

iLink 3 Binary Order Entry - BrokerTec Markets - Tag 110 MinQty is now Optional for Fill And Kill (FAK) and Only Best (OB) orders.

7/18/2024

CPT FIX to CME STPEBS FX Currency Terms - added EBS Currency terms and handling.

7/18/2024

iLink 3 Binary Order Entry - EBS Market on CME Globex - Clarified sentence "All iLink 3 sessions for EBS Market on CME Globex are Cancel on Disconnect (CoD) mandatory."

7/18/2024

iLink 3 Binary Order Entry - modified info box "All iLink 3 sessions are Cancel on Disconnect (CoD) mandatory, except iLink 3 CGW sessions for futures and options markets."

7/17/2024

Pending Client Impact content were moved to core CME Globex topics; these pages were retired:

  • iLink 3 Order Cancel and Cancel-Replace Requests by ClOrdID
  • Mass Quote Protections Enhancements
7/17/2024

Drop Copy 4.0 - removed section on Testing and Certification.

7/17/2024

CME FX Spot Plus - Newly added pending impacts for CME FX Spot+.

7/17/2024

CME FX Spot Plus Launch Schedule  - Newly added pending impacts for CME FX Spot+.

7/17/2024

CME FX Spot Plus - EBS - Newly added pending impacts for CME FX Spot+.

7/17/2024

CME FX Spot Plus - Futures - Newly added pending impacts for CME FX Spot+.

7/17/2024

 CME FX Link and FX Spot Plus Credit Overview - Newly added pending impacts for CME FX Spot+.

7/17/2024Client API Service Adoption using OAuth 2.0 Protocol - details the time parameter (in seconds) until an access token will expire.
7/17/2024Historical Margin Data - note added to top of this CME DataMine dataset topic.
7/16/2024Drop Copy Service for iLinkadded Testing and Certification information, removed Bandwidth Impact.
7/11/2024

iLink 3 Execution Report Pending Cancel - Updated description for Tag 5392.

7/11/2024

iLink 3 Execution Report Pending Replace - Updated description for Tag 5392.

7/10/2024

Enabling User Defined Spreads for Specific NYMEX Energy Futures-ARCHIVED - added new client impact assessment.

7/10/2024

Mass Quote Protections - Added new Percentage (F) MQP type.

7/9/2024

TFS-ICAP FX Options - new CME DataMine Dataset topic added to the Client Systems Wiki.

7/8/2024

CME Public IP Prefix Summary - updated public IP addresses.

7/8/2024

iLink 3 Execution Report - Status - updated description of tag 59-TimeInForce to indicate that FOK is supported only for BrokerTec and EBS

7/5/2024

EBS Ai on CME Globex - updated first sentence; replaced "CME Globex using EBS Ai over FIX protocol" with "CME Globex over FIX protocol".

7/3/2024

iLink 3 Binary Order Entry Protocol for CGW - Business Layer - updated bullet list under "The Execution Report - Trade Addendum (Outright/Spread/Leg) message notifies client system of trade cancellation or correction for outright, spread, and leg."

7/2/2024

iLink 3 Binary Order Entry - Business Layer - updated bullet list under "The Execution Report - Trade Addendum (Outright/Spread/Leg) message notifies client system of trade cancellation or correction for outright, spread, and leg."

6/27/2024

EBS Market on CME Globex Market Functionality - Changed "Tag 9768=Y" to "Tag 9768=1."

6/26/2024

Messaging Controls - added note "More information is available on iLink 3 Messaging Controls."

6/26/2024

CPT TOF to CME STP - for tag 518, removed FIX Tag equivalent 1716-UnitOfMeasureCurrency. For tag 517, updated FIX Tag description with additional details.

6/25/2024

CME MDP 3.0 Market Data - Added CME Globex Market Data Channel Guide content.

6/25/2024

MDP 3.0 - CME Globex Market Data Channel Guide - added new page.

6/25/2024

Spreads and Combinations Available on CME Globex - updated Reduced Tick Inter-Commodity Spread section.

6/25/2024

Margin Software Release Notes - added information about Software Version 3.1.10 with release date 6/25/2024. 

6/20/2024

Futures Implied Priority List - changed the second column heading from "Product Code (MDP 3.0 Tag 6937-Asset)" to "Strategy Type (MDP 3.0 tag 762-SecuritySubType)."

6/18/2024

CME STP Field Impacts for Futures - Options and OTC IRA - FRA Trades: added a new topic that describes updates to CME STP trade message.

6/14/2024

All

Client Systems Wiki migration to new hosting solution. Formatting of site is updated.

Existing URLs redirect automatically and new content after 6/14/24 will reflect new site URL syntax.

6/14/2024

Page updated to reflect updated navigation/site features due to Client Systems Wiki site migration.

6/14/2024

New topic added for users to submit feedback about site experience, as commenting feature at the bottom of all pages has been removed due to site migration.

6/14/2024

Implied ICS Priority List - added values:

 57 IQT
 58 UPT
 59 UQY
 60 URY
 61 UTY
 62 UUY
 63 YTU
 64 THY
 65 UVY
 66 UWY
 67 UYY
 68 UPF
 69 UQF
 70 URF
 71 UTV
 72 UUF
 73 VTU
 74 THF
 75 UVF
 76 UWV
 77 UYF 


6/14/2024

Margin Software Release Notes - added information about Software Version 3.1.9 with release date 6/14/2024. 

6/14/2024

CME MDP 3.0 Market Data - Transferred content from EBS NDF Market Data Channel Enhancements.

6/14/2024

CME MDP 3.0 Market Data - updated conflation interval for EBS Market OFF SEF NDF London and BS Market ON SEF NDF London.

6/14/2024

iLink 3 Binary Order Entry - Business Layer - On-demand Execution Report: "Operator" will no longer be a missing field.

6/13/2024

Product Parameter Specifications - removed MOEX - Moscow Exchange from fixingSource parameter.

6/13/2024

Comprehensive RDW Datasets- removed MOEX - Moscow Exchange from fixing_src field.

6/11/2024

CME ClearPort API - Trade Capture Report Acknowledgment Message - Outbound - Added External Spread Indicator, an optional indicator of block trade strategies involving CME Group and non-CME Group products.

6/11/2024

CME ClearPort API - Trade Capture Report Message - Inbound - Added External Spread Indicator, an optional indicator of block trade strategies involving CME Group and non-CME Group products.

6/11/2024

CME ClearPort API - Trade Capture Report Message - Outbound - Added External Spread Indicator, an optional indicator of block trade strategies involving CME Group and non-CME Group products.

6/10/2024

CME STP - TradeCaptureReportRequest - STP - updated tag 442 to note additional details for enumerations 2 (individual leg of multi-leg security) and 3 (multi-leg security).

6/7/2024

CME Reference Data API Version 3 - added contact information.

6/5/2024

CME STP on Google Cloud - added new topic, for services that will be hosted on Google Cloud.

6/5/2024

CME Reference Data API Version 3 - updated login and version content.

6/4/2024

CME FedWatch API - implementation has occurred, therefore, Key Events & Dates and Contact Information was removed.

5/31/2024

Terminate - modified enumeration for Tag 39012 Termination Code.

5/30/2024

MDP 3.0 - Message Specification - updated Supported Templates links.

5/28/2024

iLink 2 Standard Header - Client System to CME Globex - removed note from Tag 369: This tag is optional in production but required for iLink certification via Autocert+.

5/28/2024

iLink Order Types - added note: If client system submits a Stop Order with Protection with tag 44-Price, CME Globex will ignore the value in tag 44-Price.

5/24/2024

Block Trades - updated Block Trade data availability dates.

5/22/2024

CME STP - EBS FX - TradeCaptureReport - SideRegulatoryTradeIDGrp - updated Required Values 'Y' to 'C' (Conditional) and updated description for 10029 SideRegulatoryTradeIDEvent.

5/17/2024

MDP 3.0 - CME Globex Pricing - Variable Tick Table - Removed duplicate MDP 3.0 - Variable Tick Table and redirected to here.

5/17/2024

EBS Market on CME Globex Market Functionality - Added Unexecuted Order to Transaction Ratio section.

5/17/2024

iLink 3 Order Mass Action Report - updated Tag 1374 to show "7=All (for future use)."

5/13/2024

REST Order Entry API - Query Status API is now limited to 20 total concurrent requests.

5/10/2024

iLink 3 Binary Order Entry - Business Layer - changed Tag 32-LastQty value will be the quantity of canceled trade.

5/8/2024

CME Reference Data API Version 3 - updated the Productions Network Connections table.

5/6/2024

iLink 3 Binary Order Entry - BrokerTec Markets - added Limit Aggressive with Min (Day / Min) in table for Order Type and Qualifiers.

5/6/2024

Drop Copy for iLink 3 Binary Order Entry - added Fix Tag 129 DeliverToSubID in Message Body Mapping.

5/6/2024

EBS Product Overview - modified table under Product Overview.

5/3/2024

iLink 3 Binary Order Entry - Business Layer: Updated Application Messages - CME Globex to Client Systems - iLink 3 Execution Report - Trade Addendum Outright/Spread/Leg- Message Level Changes for Trade Cancel and Trade Correction.

5/2/2024

Removed pending client impact for Settlements and Valuations SBE Schema for Eris B and C. Added Eris B and C datasets and message specifications to CME Market Data - CME Data Insights - Settlements and Valuations.

5/2/2024

CME Data Insights - Settlements and Valuations - updated to include Eris B and C dataset information and message specifications.

5/01/2024

Globex Credit Controls - Credit Enforcement - added new client impact assessment.

5/01/2024

Balanced Strip Butterfly Spread on CME Globex-CLIMP - added new client impact assessment.

4/30/2024

CME STP - TradeCaptureReport - STP - new Standard Message Header tag FeeQuantityThresholdIndicator

4/30/2024

CME STP - TradeCaptureReport - SideRegulatoryTradeIDGrp - STP - updated description for Side Regulatory Trade ID Source and enumerations for Side Regulatory Trade ID Event, Side Regulatory Trade ID Type.

4/30/2024

CME STP FIX - TradeCaptureReport - SideRegulatoryTradeIDGrp - updated description for tag 10028 - Side Regulatory Trade ID Source and enumerations for tags 10029 - Side Regulatory Trade ID Event, 10030 - Side Regulatory Trade ID Type.

4/30/2024

CME STP FIX - TradeCaptureReport - new Standard Message Header tag 20063 - FeeQuantityThresholdIndicator.

4/26/2024

Implied ICS Priority List - added these Priority Codes:

  • 512 EIB
  • 513 EBY
4/26/2024

CME STP FIX - TradeCaptureReport - updated tag 99401 - Option Exercise Time Frame.

4/26/2024

CME STP - TradeCaptureReport - STP - updated Option Exercise Time Frame.

4/24/2024

iLink 3 Order Mass Action Report - changed Binary Type for Tag 533 (TotalAffectedOrders).

4/24/2024

iLink 3 Binary Order Entry Protocol for CGW - Session Layer:

Modified iLink 3 detection of four categories of error conditions.

Replaced text for Primary and Backup Market Segment Gateway Failure with Primary and Backup Convenience Gateway Failure.

4/24/2024

iLink 3 Binary Order Entry - Business Layer - added note under Display Quantity (tag 1138-DisplayQty) "A resting display quantity order (tag 1138-DisplayQuantity >0) cannot be modified to a non-display quantity (tag 1138-DisplayQuantity=0), and vice versa."

4/24/2024

iLink - Order Qualifiers - added note under Tag 210-MaxShow (Display Quantity) "A resting display quantity order (tag 210-MaxShow>0) cannot be modified to a non-display quantity (tag 210-MaxShow=0), and vice-versa."

4/24/2024

iLink 3 Binary Order Entry - BrokerTec Markets - added note under BrokerTec Markets on CME Globex "For BrokerTec Markets, a resting display quantity order (tag 1138-DisplayQuantity >0) cannot be modified to a non-display quantity (tag 1138-DisplayQuantity=0), and vice versa."

4/22/2024

Cross on CME Globex - Agency Cross (A-Cross) crossing protocol has been decommissioned. See also: NYMEX/COMEX Rule 539.C (Pre-Execution Communications Regarding Globex Trades).

4/22/2024

Messaging Controls - changed Reject Thresholds for Mass Quote Messaging Threshold in Production and New Release.

4/19/2024

EBS Spectrum Market Data - updated correlation illustration.

4/18/2024

Repeating group updates to the following:

4/17/2024

MDP 3.0 - Trade Summary - added tag 32 (LastQty)

4/15/2024

CVOL End of Day Index - corrected CVOL code for:

  • MXN/USD CVOL Index = MPVL
  • CHF/USD CVOL Index = CHVL
4/12/2024

End of Market Summary - Basic Plus - added SettleDeck Report File Headers table.

4/10/2024

EBS Conditional Price Increments - previously under Pending Client Systems Impacts is now rolled into CME Globex under iLink 3 Binary Order Entry - EBS Market on CME Globex.

4/10/2024

End of Market Summary - Basic Plus - updated sample files.

4/10/2024

End of Market Summary - Premium Plus - updated sample files.

4/8/2024

Daily Settlement Time Details - updated all tables to reflect that products updates are available on cmegroup.com at midnight, 12:00 a.m. CT.

4/8/2024

End of Market Summary - Premium - added Report ID table to Availability section.

4/5/2024

CME STP - EBS FX - TradeCaptureReport - SideRegulatoryTradeIDGrp - FIX tag 10030 updated to include supported value 6 - Report Tracking Number.

4/4/2024

Margin Software Release Notes - updated v3.0.4 (Beta) table.

4/3/2024

iLink 3 Order Cancel and Cancel-Replace Requests by ClOrdID--2024 - added new topic which describes a risk management feature to cancel and modify resting BrokerTec orders.

4/3/2024Mass Quote Protection Enhancements-CLIMP - added new client impact assessment to CME Globex Impacts. 
4/2/2024Daily Settlement Time Details - updated intro and page layout.
4/2/2024iLink3 - Simple Binary Encoding - updated Binary Type System section.
4/1/2024Supported Matching Algorithms - updated Pro Rata Allocation algorithm rules.
4/1/2024Livestock Price Indices - added DataMine presentation.
3/28/2024

iLink 3 Execution Report Pending Replace - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report Pending Cancel - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Order Mass Action Report - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Quote Cancel Acknowledgment - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Request for Quote Acknowledgment - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Mass Quote Acknowledgment - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Security Definition Response - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Order Cancel Replace Reject - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Order Cancel Reject - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Trade Addendum Spread Leg - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Trade Addendum Spread - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Trade Addendum Outright - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Reject - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Elimination - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Trade Spread Leg - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Trade Spread - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Trade Outright - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Business Reject - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - New Order - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Modify - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Cancel - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/28/2024

iLink 3 Execution Report - Status - added note for Tag 5392-SenderID: "This tag value is always uppercase, regardless of the case in the inbound message tag. Client systems are not required to submit capitalized identifier to CME Globex."

3/27/2024MiFIR Transaction Reporting - clarified CME STP fill message information.
3/26/2024iLink 3 Execution Report - Trade Addendum Spread Leg
iLink 3 Execution Report - Trade Spread Leg
Added description "The number of fill reason is always '1' for spread leg fills" for Tag 1362.
3/26/2024iLink 3 Execution Report - Trade Outright - added "Maximum number of fill reasons in 6" for Tag 1362.
3/26/2024Futures and Options Reject Codes - removed Error Code 2045 for "Sent in response to Order Cancel-Replace Request (tag 35-MsgType=G) message in tag 102-CxlRejReason of the Order Cancel-Replace Reject (tag 35-MsgType=9)".
3/26/2024MDP 3.0 - Market Data Security Definition - Futures - updated Repeating Group 3 description.
3/25/2024Eris Swap Futures on CME Globex - removed section "Eris Swap Futures Product Code."
3/21/2024GCC Price Banding - added BrokerTec Price Banding details and example.
3/21/2024BrokerTec on CME Globex Market Functionality - added BrokerTec Price Banding details and example.
3/21/2024iLink 3 Binary Order Entry - iLink 3 Gateway CGW consideration "CGW sessions will support ilink2 and iLink 3 in parallel until December 31, 2024."
New Market Segment added:
<marketsegment id="6" label="Globex OESGW for all CGWs"> 
3/20/2024iLink 3 Binary Order Entry - Business Layer - OESGW - SFTP Site Information - added row Market Segment ID 6.
3/19/2024MDP 3.0 - Message Specification - CME Globex Futures and Options - TCP Recovery for UDP - added reference to MDP 3.0 - Market Data Incremental Refresh - MBOFD template.
3/18/2024Implied ICS Priority List - added new Product Code (MNUB).
3/18/2024

Added notes and links to related customer notices for multiple pending client system impact topics.

3/18/2024

iLink 3 Binary Order Entry - BrokerTec Markets - clarified language if an iLink 3 session exceeds the duplicate orders threshold. 

3/15/2024

Japanese Yen - added mini JPY/USD content.

3/15/2024

Canadian Dollar and Swiss Franc- updated settlement procedure content.

3/13/2024

iLink 3 Order Cancel Request and iLink 3 Order Mass Action Request - description modified for Tag 9937 to exclude quotes.

3/12/2024

CME STP - EBS FX - TradeCaptureReport - TrdRegPublicationGrp - added FIX tag 2668-NoTrdRegPublications

3/8/2024

Livestock Price Indices - updated FAQ.

3/7/2024

CME STP FIX Core-to be archived - removed EBS URI:Port Connectivity option.

3/6/2024

iLink 3 Quote Cancel - updated tag 9937-OrigOrderUser.

3/6/2024

Security Status CME Market Data Over WebSocket API - added new client impact assessment.

2/28/2024

Enriched information about Valuation Method on reference data services.

2/27/2024

User Defined Spread Types and Characteristics - removed note "Client systems will receive no acknowledgment from CME Globex for an iLink Security Definition (tag 35-MsgType=c) message submitted containing instruments from different product groups."

2/27/2024Client Systems Support Services

CME GLink - updated Handoff Specification section with link to details about GLink Demarc Cable

2/26/2024

CME STP for EBS FX Markets - updated FIX Data Dictionary.

2/23/2024

Aluminum - updated settlement period times.

2/21/2024

Settlements and Valuations SBE Schema for Eris B and C-ARCHIVED - added new client impact assessment, which describes the Simple Binary Encoding schema to support the launch of Eris B&C datasets. 

2/20/2024

UPI Implementation - FAQ - added new FAQ items.

2/20/2024

CME STP - Trade Cancel and Amend Messaging Behavior for BrokerTec - updated General Collateral Trade Cancel and Amend scenarios for US Repo allocations. 

2/16/2024

CME STP - Message Flows: indicates support for spreads with product legs on/cleared through different exchanges.

2/16/2024

CME STP FIX - Use Case details are available in CME STP Core - Related Information.

2/16/2024

CME MDP 3.0 Market Data - updated EBS NDF and EBS Spot Market Data group content.

2/16/2024

Onboarding to CME Group on PubSub - added information for entering subscriptions manually.

2/15/2024

Execution Report - Trade Addendum - iLink 3 Audit Trail Requirements - Renamed Execution Report - Trade Cancellation Notice - iLink 3 Audit Trail Requirements; updated position 6 - Message Type.

2/14/2024

Commodities Indices and Livestock Price Indices - added new topics.

2/13/2024

CME STP FIX Support for BrokerTec Trades - added support for tag 442-multi-leg reporting.

2/13/2024

Spreads and Combinations Available on CME Globex - added new column "Cash" to identify spreads for cash markets.

2/13/2024

Product Attribute SpecificationsInstrument  Parameter Specifications, Product Parameter Specifications, Instrument Attribute Specifications - added attributes and parameters.

2/12/2024

Order Entry API - Get Instrument Creation Status - replaced with fully updated topic.

2/12/2024

Spreads and Combinations Available on CME Globex - added new section for instrument type RB Butterfly.

2/12/2024

iLink 3 Binary Order Entry - Business Layer - updated diagrams for "On Demand - Accepted" and "On-Demand Party Details Request Accepted, New Order Rejected".

2/12/2024

Instrument  Parameter Specifications - added new parameters to the table.

2/12/2024

Product Parameter Specifications - added new parameters.

2/12/2024

Instrument Attribute Specifications - added new attributes to the table.

2/9/2024

CME STP FIX - updated links to related information; available in CME STP Core.

2/9/2024

CME STP Core - added information about STP outages and manual reconciliation.

2/9/2024

Removed NEX SEF CFTC Rules Rewrite and accompanying CPT CFTC Rewrite Field Changes FIX and TOF due to project completion.

2/7/2024

Event Contracts - replaced /V2/ with /V3/ due to upgrade.

2/6/2024

CME Connectivity Offerings - updated map entries.

2/6/2024

GLink Architecture - Aurora - removed all references to egress policing.

2/5/2024

Removed page EBS Market Integration onto CME Globex and all child pages (including EBS Central Post Trade) from Pending Client System Impacts due to project completion.

2/5/2024

Implied ICS Priority List - added Priority 511, Product Code ETU.   Removed Priority 23, Product Code FNU.

2/5/2024

GLink Architecture - Aurora - updates to Topology and Performance.

1/29/2024

iLink 3 Party Details List Report - added note to row for tag 1691 PartyDetailID.

1/29/2024

iLink 3 Party Details Definition Request Acknowledgment - added note to row for tag 1691 PartyDetailID.

1/29/2024

iLink 3 Binary Order Entry - Business Layer - added Tag 1691-PartyDetaiID values to iLink 3 Party Details Definition Request Acknowledgment and iLink 3 Party Details List Report.

1/25/2024

iLink 2 Order Cancel Replace - Tag Value Modification - Modified rows for tag 210-MaxShow.

1/23/2024

iLink 3 Order Cancel Replace Request - removed tag 638 PriorityIndicator.

1/22/2024

Drop Copy 4.0 - Removed tag 50-SenderSubID from Missing Tag and Tag Value Null.

1/22/2024

Spreads and Combinations Available on CME Globex - Averaged Price Bundle updates.

1/18/2024

iLink 3 Trading on Behalf of a Client - Added COB Functionality content.

1/16/2024

End of Market Summary - Standard - Updated Interpretation section.

1/16/2024

EBS Reporting - Added EBS MEP Report to Spot & Metals category.

1/10/2024

Messaging Controls - Production Reject Threshold changed to 375 MPS.

1/10/2024

Yield Futures - Updated Micro Treasury content to Yield Futures.

1/10/2024

CME Market Data Over WebSocket API - Added Endpoints table.

1/8/2024

iLink 3 Binary Order Entry - BrokerTec Markets - trigger for rejecting a duplicate order has been modified.

1/8/2024

iLink Order Entry - Implied Orders  - new topic Futures Implied Priority List added.

1/5/2024

CME-FICC XM Reports - Added NR_XMFICCMARGINSAVINGS  - XM FICC PB Requirements Report (EOD) table.

1/2/2024