March 18, 2026
TMX IP Notice 2026-041

TMX Group

TMX Information Processor

Update: Technical Issue Impacting TMX IP CDF-LYX Data from MCC Site

Attention TMX Information Processor Clients

Upon further investigation, please be aware that TMX IP experienced an unsuccessful refresh on CDF-LYX at the Markham (MCC) location. As a result, LYX data has been removed from the CBBO from the Markham location due to permanently missed messages.

All feeds from the Toronto (TCF) location are unaffected.

Feeds Affected: CDF-LYX, CBBO, CDB, CLS

Site(s) Impacted: MCC

Customer Action: Clients are advised to consume CDF-LYX data from the TCF (Toronto) location for the remainder of the day.