This topic provides the CME Globex Front-End Audit Trail Requirements for the iLink 2.X and iLink 3 messaging formats.
...
The following format options capture audit trail for systems connected to CME Globex via iLink:
iLink 2.X - Minimum Acceptable Audit Trail Elements - Data Definitions and Validation Rules
This includes the specifications for capturing the audit trail in csv format for the iLink 2 interface.
iLink 3 - Minimum Acceptable Audit Trail Elements - Data Definitions and Validation Rules
This includes the specifications for capturing the audit trail in csv format for the iLink 3 interface.
Human-readable FIX format
Market Regulation accepts audit trail captured as human-readable FIX messages for both iLink 2 and iLink 3 as <delimiter>Tag=Value<delimiter>Tag=Value<delimiter>....
Market Regulation will not accept XML, FIXML or binary AT file format
iLink 2.X FIX audit trail specifications are identical to message specifications
iLink 3 FIX audit trail specifications are identical to message specifications
| Info |
|---|
CME Direct captures and formats the Audit Trail for its users. Files must be downloaded within 30 days of the activity. |
| Info |
|---|
CME Group captures and formats the EBS Audit Trail report for NEX for NEX SEF markets in the FEAT 100 regulatory regulatory report (view the report specification). Files must be downloaded within 30 days of the activity. |