B3 Tech Launches

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09/16/2024

B3 Tech Launches | Trading

The table below offers an overview of B3’s upcoming IT & Operations projects. The overview allows market participants to effectively plan their own development and management of the upcoming tech launches. Our full trading Roadmap can be accessed here.

Service: Trading
Update frequency: every 2 weeks
Date of last update: Jan/23/2025

Upcoming

Click here to view our full trading roadmap.

Summary	Impacted services	Certification required?	Certification	Mock	Production	Description	Observation
ePUMA: Change in Architecture Model - Client Multirelay	ePUMA	No	N/A	N/A	The migrations will take place between October and November.	The ePUMA application's architecture is evolving. Soon, the real-time trading and monitoring station for Market Data will adopt the CMR (Client Multirelay) architecture.	The expected impacts for participants include the replacement of channels and connection validation. Validation will occur during the morning call and will be individually aligned with each participant.
New Trading and Co-location Network	All services for Order Entry and Market Data	No	N/A	External Migration (Go Live) - Nov/08/2025	Nov/08/2025	In Phase 3, all clients will be released to use their new cross-connections to access B3 services through the new network.	Simulation (Phase 1) Start - Jul/15/2025 Internal Migration (Phase 2) Start - Sep/13/2025 External Migration (Phase 3) Start - Nov/08/2025 Decommission of Old Network - Mar/28/2026 (date of last information update: nov/13/2025)
UMDF FIX/FAST and Conflated: Order Book Management Based on Price/OrderID	UMDF FIX/FAST and Conflated	No	Position+Priority based book management: Oct/6/2025 Priority based only: Feb/02/2026	End of position-based support: Apr/26	Nov/03/2025	Improvement of order book management for UMDF FIX/FAST and Conflated, which will now be based on priority rather than position.	- Go Live, with simultaneous support for both order book management mechanisms (priority and position) allowing participants to migrate their systems in a controlled manner before support ends for order book management based on position: Nov/03/2025 - End of position-based support: Tranche 1: Apr/13/26, channels 5, 6, 7, 8, 59, 69, 70, 71, 72 Tranche 2: Apr/20/26, channels 1, 2, 3, 4, 9, 51, 52, 55, 56, 65, 66 Tranche 3: Apr/27/26, channels 10, 11, 53, 54, 57, 58, 60, 61, 62, 63, 64, 67, 68 (date of last information update: Dec/12/2025)
Templates file Update - UMDF FIX/FAST and Conflated (version 5.1.18)	UMDF FIX/FAST UMDF Conflated	No	Jan/06/26	Apr/11/26	Apr/13/26	The new version of the templates file paves the way for the launch of Event Contracts (subject to approval from regulatory authorities). It also includes the addition of the mDEntryPrevSize tag (37780), which represents the previous quantity of the Order before modification, facilitating the book management by price level. New template IDs: MDIncrementalRefresh - 157 MDSecurityList - 156	Unique Tranche: Apr/13/2026 All channels (date of last information update: Jan/19/2026)
Messages Dictionary update (version 2.40) including new domains for TAC (Trade At Close) functionality and restatement of GTC/GTD orders	Drop Copy	No	Feb/19/26	N/A	Effective on each wave	Messages Dictionary update (version 2.40) including new domains for TAC (Trade At Close) functionality and restatement of GTC/GTD orders	Waves: Feb/10/2026: DCPDRV02 Feb/11/2026: DCPDRV01 Feb/18/2026: DCPEQT02 and DCPEQT05 Feb/19/2026: DCPEQT01 and DCPEQT03 Feb/23/2026: DCPEQT04
Messages Dictionary update (version 2.40) including new domains for TAC (Trade At Close) functionality and restatement of GTC/GTD orders	FIX Entrypoint Gateways	No			Effective on each wave	Messages Dictionary update (version 2.40) including new domains for TAC (Trade At Close) functionality and restatement of GTC/GTD orders	Waves: Feb/12/26; Admin Sessions Gateway Derivatives Gateways: Feb/12/26: Wave 1 Feb/18/26: Wave 2 Feb/19/26: Wave 3 Equities Gateways: Feb/23/26: Wave 1 Feb/24/26: Wave 2 Feb/25/26: Wave 3 Feb/26/26: Wave 4 Mar/03/26: Wave 5
Messages Template update (version 8.4.2) including new domains for TAC (Trade At Close) functionality and restatement of GTC/GTD orders	Binary Entrypoint Gateways	No	Feb/19/26	N/A	Effective on each wave	Messages Template update (version 8.4.2) including new domains for TAC (Trade At Close) functionality and restatement of GTC/GTD orders	Waves: Derivatives Gateways: Feb/23/26: BGWD01 + BGWD02 + PGWD01 Feb/24/26: BGWD03 + BGWD04 Feb/25/26: BGWD05 + BGWD06 Equities Gateways: Feb/26/26: BGWE01 + BGWE02 + PGWE01 Mar/02/26: BGWE03 + BGWE04 + PGWE02 Mar/03/26: BGWE05 + BGWE06 Mar/04/26: BGWE07 + BGWE08 Mar/05/26: BGWE09 + BGWE10
Restatement of GTC/GTD orders	Order Entrypoint	No	Jan/26/26	Mar/28/26	Mar/30/26	Restatement of GTC/GTD orders functionality	Effective March 30th, the restatement for GTD/GTC orders will be activated. Publications will occur from Monday to Friday at 5.30 AM.