Mock Trading Session | PUMA Trading System

The translation of this content is not available yet

Listed

Mock Trading Session | PUMA Trading System - Apr/26

Event Date

04/26/2025 to 04/26/2025

Time

From 10:30 Until 12:30

To assist participants in planning changes and implementations, a mock trading session of the PUMA Trading System will be held on April 26th, 2025, with market participation.
In this session, the following system and infrastructure changes will be validated:

• Matching Engine Update:

As part of the delivery of Binary UMDF: Order Book Management Based on Price/OrderID, the sending of Mass Delete Send Deactivation (Delete From) in UMDF FIX/FAST and UMDF Conflated will be disabled.

Mass delete messages with Delete From action type (tag 279=4) will cease to be sent, with deletions sent instead in individual messages in equivalent quantities.

The implementation will follow the plan below:

Wave 01	Apr/28/2025	MarketSegmentID: 68 (DRV01) and 98 (EQT09)
Wave 02	May/05/2025	70 (DRV02) 74 (DRV04), 80 (EQT01), 86 (EQT04), 92 (EQT07) and 94 (EQT08)
Wave 03	May/12/2025	72 (DRV03), 76 (DRV05), 78 (DRV06), 82 (EQT02), 84 (EQT03) e 88 (EQT05) and 90 (EQT06)

1. Mock trading session timetable:

Starts	Ends	Phase
10:30 am	11:00 am	Roll call and connectivity test
11:00 am	11:05 am	Pre-opening
11:05 am	11:55 am	Trading – mandatory script
11:55 am	12:00 am	Closing Call
12:00 am	12:30 pm	Free Trading

2. Morning test of the electronic trading system:

It is mandatory for all the firms to participate in the morning test, which will be held on April 28th, 2025 (Monday), from 7:00 a.m. to 7:45 a.m. for the derivatives market and from 7:00 a.m. to 8:00 a.m. for the equities market in both production environments.

3. Participation confirmation:
The activities to be performed during the test can be found in the mandatory script. Market data for these instruments will be sent during the mock trading session.

Participation in the mock trading session must be confirmed no later than 12 noon on April 25th, 2025 (Friday), exclusively by email at [email protected] with “Mock trading session” in the subject line, identifying the institution, naming the individuals who will participate and supplying their contact details (telephone numbers and email addresses).

In response to this confirmation, the participant will receive the mandatory test script and must fill it out and send it to the above email address.

Please note that mock trading session participants must adjust their internal systems so that the results of the mock trading session are completely segregated from real trading sessions.

Further information can be obtained from B3 Services – Trading, by telephone on +55 11 2565-5021/5022.