Trader | TXSE-2026-033 | Aug 20, 2026, 3:31 PM CT
Reminder: Saturday TXSE Auction Production Test – August 22
Dear Member,
As previously communicated, TXSE is currently targeting September 16 for launch of primary listings. In preparation, TXSE will conduct a TXSE Auction production test on Saturday, August 22.
Members are reminded that TXSE's auction functionality is unique, particularly with respect to the market data disseminated during the auction process. Accordingly, members are encouraged to participate in this test to verify that they can successfully consume auction market data and submit and manage orders within the TXSE Auctions.
Members are also strongly encouraged to take advantage of both the UAT environment and scheduled Saturday production tests to validate their systems and workflows ahead of TXSE Auction production launch. Technical specifications are available on the TXSE website.
The upcoming test schedule is provided below:
- August 22, 2026
- August 29, 2026
- September 12, 2026
Members can expect the following TXSE test symbols to be included in the reference data distributed for each TXSE Auction production test:
- ZZZTT
- ZZZTE
- ZZZTX
- ZZZTA
- ZZZTS
Schedule for Saturday Production Tests:
| Session | Eastern Time |
| Early Session | 9:00 a.m. – 9:30 a.m. |
| Regular Session | 9:30 a.m. – 11:00 a.m. |
| After Hours Session | 11:00 a.m.- 12:00 p.m. |
Please reach out if you have any questions or need assistance.
Sincerely,
TXSE Market Operations