October 20, 2021
Ops Notice 2021-049

TMX Operational Notice

Reminder - TMX Equities External Disaster Recovery Test

TMX will be conducting an Industry-wide External Disaster Recovery Test on Saturday, October 23, 2021.

1. DR Schedule *

Time	Status & Activities
7:00 am – 8:00 am	Market in Pre-Open
8:00 am – 9:00 am	Simulating a disaster. Clients will be disconnected from their Order Entry and Feed Recovery sessions
9:00 am - 11:00 am	Failover to DR: market out of service
11:00 am – 1:00 pm	Market in Pre-Open. Clients can reconnect to Order Entry and Feed Recovery sessions at the DR site.
1:00 pm - 2:45 pm	Market in Post-Open
2:45 pm – 3:00 pm	Market in MOC Imbalance (TSX and TSX Venture)
2:50 pm - 3:00 pm:	MOC Freeze
3:00 pm:	Calculated Closing Price Determination

*Please note, times within the schedule are approximate. Notifications will be communicated to test participants as the exercise moves through the scheduled phases.

*If you are participating in the DR testing and would like to be included in these notifications, please provide the email contacts and the products that you are testing to TMX Market Operations

2. Test Symbols **

TSX	TSX Venture	Alpha
AYZ.D	AYQ.DB.B	EYZ.C
AYZ.DB.E	ZYQ.A	EYZ.D
EYZ.DB.E	ZYQ.DB.B	EYZ.F
EYZ.F		MYZ.A
MYZ.A		MYZ.C
MYZ.DB.E		MYZ.D
ZYZ.D		ZYQ.H
ZYZ.DB.E		ZYZ.D

**The reference price for all symbols will be 1.00.

3. Market Data Feeds unavailable at TSX DR site:

All TMX IP feeds: CDF, CBBO, CLS, and CDB
All "B" feeds ie. TBF-21B, TQL2-11B, TL1-11B

Clients will experience a loss of network connectivity on circuits to 3500 Steeles (MCC Data Center) during the test. Network connectivity is anticipated to be restored at approximately 11 pm ET on Saturday, October 23. A notice will be sent to the street when the test is over and normal operations have resumed.

****Please remember to not release your Production queues during the DR test****