Circular letters and external communications

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7/3/25

026-2025-VPC-Circular Letter

Extension of the exemption period for access credentials to the BTB Terminal and the BTB API of the BTB Platform – Asset Lending
As of 07/01/2025, the period of exemption from the fee charged for access to the BTB system will be extended until 12/31/2025.
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7/3/25

025-2025-VPC-External Communication

Instructions on the buyback process of FII and FIAGRO units
Clarifications regarding the operational procedures for the repurchase of FII and FIAGRO units.
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7/3/25

023-2025-VNC-Circular Letter

Change in the pricing model of offshore interest rate futures contracts (TIIE de Fondeo, SOFR and ESTR).
Learn about the change in the pricing methodology of offshore interest rate futures products.
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7/3/25

022-2025-VNC-Circular Letter

Change in the pricing model of currency futures contracts in Reais
Changes in the expirations and fixing of new expirations, as of the September 2025 expiration. Learn about the adequacy of the pricing methodology for these products.
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7/1/25

033-2025-VNC-External Communication

Trademate - Network Firewall Rule Release and Platform Migration to On-Premises Environment in B3 Data Center.
New IP addresses and connection ports have been added to the Trademate platform's certification and production environments.
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7/1/25

024-2025-VPC-Circular Letter

Fee exemption for Structured Operations of DI1, DAP and FRC
The exemption will be granted to full trading participants (FTPs) or trading participants (TPs), covering the exemption from all fees levied on trades in Structured Transactions of DI1, DAP and FRC in their proprietary accounts, in accordance with the criteria presented in this Circular Letter.
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7/1/25

020-2025-VNC-Circular Letter

Change in the expiration time of the UDS Strategy Functionality in the Derivatives segment
Starting from 07/14/2025, the automatic expiration of the strategy code will occur on the same date that the instrument with the shortest expiration of the strategy expires.
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6/30/25

024-2025-VPC-External Communication

Expanded the list of B3 Listed products that can be traded by U.S. Person
Errata: Contrary to the information provided in External Communication 023/2025-VPC dated June 27, 2025, the list of Listed Products that may be traded by U.S. Persons also includes F-TIIE (TIE) Futures, SOFR (SFR) Futures, and ESTR (EST) Futures.
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6/27/25

023-2025-VPC-External Communication

Expanded the list of B3 Listed products that can be traded by U.S. Person
F-TIIE Futures, SOFR Futures and ESTR Futures are included in the list of products that can be traded by U.S. Person as determined by the U.S. Commodity Futures Trading Commission
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6/26/25

085-2025-PRE-Circular Letter

Termination of the Fee Exemption on the Binary Market Data (Binary UMDF) Connectivity Service
The full exemption of Binary Market Data connectivity service fee will end on 10/14/2025.
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Any Circular Letters revoked by B3 are indicated as revoked in their descriptions on B3’s website and within the original document text.

For copies of Circular Letters issued prior to 2003 that are not available on B3’s website, please email [email protected] with the number of the specific circular letter you require.

Send an e-mail to [email protected] and receive the Circular Letters and External Communications published.

See the BM&FBOVESPA and Cetip Circular Letters and External Communications published up to June 14, 2017, the date that the corporate name changed to B3 S. A. – Bolsa, Brasil Balcão.

Revoked letters

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Historical documents