Disclosure of risk information in the explanatory notes of financial institutions in Brazil

Authors

DOI:

https://doi.org/10.21680/2176-9036.2026v18n2ID44430

Keywords:

Disclosure; Risks; Financial institutions; Credit risk; Market risk; Central Bank of Brazil.

Abstract

Objective: To map and analyze the level of risk disclosure presented in the financial statements of financial institutions operating in Brazil.

Method: Checklist developed based on the guidelines of Resolution No. 4,557/2017 and the study by Basto and Marques (2024). The analysis focused on the explanatory notes included in the Consolidated Financial Statements (IFRS) of financial institutions classified in CMN’s S1 and S2 segments, covering the period from 2017 to 2023, with a total of 84 documents examined through content analysis.

Results: The findings indicate that the most frequently disclosed risks were Market Risk (78%), Credit Risk (52%), and IRRBB (47%). An increase in disclosure levels was also observed during the first two years following the implementation of the Resolution, followed by relative stability and a decline over time. Variations in disclosure were noted across different periods and institutions, suggesting the absence of a consolidated standard for the sector. This highlights the need for progress in establishing clear criteria regarding which risk information is truly relevant to users.

Contribution: As a social contribution, the results contribute to the debate on transparency in the banking market. As a practical and regulatory contribution, the findings may support regulatory authorities’ decisions regarding the inclusion or adjustment of minimum requirements for the disclosure of banking risks. Finally, as an academic and scientific contribution, the checklist for assessing the level of disclosure may be used in future research.

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Author Biographies

Lucas Ferreira de Moura, University of Brasília (UnB)

Bachelor’s degree in Accounting from the University of Brasília (UnB).

Eduardo Bona Safe de Matos, University of Brasília (UnB).

PhD in Controllership and Accounting from the University of São Paulo (FEA/USP). Professor in the Department of Accounting and Actuarial Sciences at the University of Brasília (UnB).

Vitor Hideo Nasu, University of São Paulo (USP).

PhD in Controllership and Accounting from the University of São Paulo (FEA/USP). Professor in the Department of Accounting and Actuarial Sciences at the School of Economics, Business, Accounting, and Actuary (FEA) of the University of São Paulo (USP).

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Published

06-07-2026

How to Cite

Moura, L. F. de, Matos, E. B. S. de, & Nasu, V. H. (2026). Disclosure of risk information in the explanatory notes of financial institutions in Brazil. REVISTA AMBIENTE CONTÁBIL - Universidade Federal Do Rio Grande Do Norte, 18(2). https://doi.org/10.21680/2176-9036.2026v18n2ID44430

Issue

Section

Section 7: International (S7)