Sistema Especial de Liquidação e Custódia de Títulos Públicos

SELIC (Sistema Especial de Liquidação e Custódia de Títulos Públicos, or Special System for Custody and Settlement of Public Securities) is the central custodian and settlement infrastructure for securities issued by the Brazilian national Treasury. It is operated by the Banco Central do Brasil (Central Bank of Brazil), the country's monetary authority, whose fundamental objective is to ensure price stability, safeguard the stability of the financial system, smooth fluctuations in the level of economic activity, and foster full employment. As the central depository for federal public debt instruments, SELIC provides the book-entry registration, custody, and settlement layer that underpins trading in Brazilian government bonds. Market participants — banks, brokers, dealers, and other authorized financial institutions — hold and transfer Treasury securities through SELIC, and the system is closely associated with the overnight interbank market for federal public securities. The reference interest rate known as the "SELIC rate" (taxa SELIC) takes its name from this system, because it is derived from the average rate of overnight financing operations backed by federal public securities settled and custodied in SELIC. SELIC is not a commercial company or a listed entity; it is a specialized operational system within the Central Bank of Brazil. Its role is infrastructural: it reduces settlement risk, supports the primary issuance and secondary trading of public debt, and provides the operational foundation for the implementation of monetary policy. Because of this, SELIC is best understood as a market infrastructure brand or system designation rather than a product brand or corporate brand. The system operates within Brazil's domestic financial market and is used by institutions authorized by the Central Bank. Its name is widely recognized in Brazilian finance both as the custody and settlement system itself and, by extension, as the benchmark interest rate that is calculated from transactions processed through it.

SELIC is the Special System for Custody and Settlement of Public Securities (Sistema Especial de Liquidação e Custódia de Títulos Públicos), the central custodian for all securities emitted by the Brazilian national Treasury. It is operated by the Banco Central do Brasil, the country's central bank, whose fundamental objective is to ensure price stability, safeguard the stability of the financial system, smooth fluctuations in the level of economic activity, and foster full employment. The system functions as the central depository and settlement venue for Brazilian federal public debt instruments. Rather than existing as a standalone commercial enterprise, SELIC is a specialized operational system within the Central Bank of Brazil, providing book-entry registration, custody, and settlement services for Treasury securities. Authorized financial institutions use SELIC to hold, transfer, and settle positions in federal public securities. SELIC's name is also attached to Brazil's benchmark interest rate, the taxa SELIC, which is derived from the average rate of overnight financing operations backed by federal public securities processed through the system. In this way, the system sits at the intersection of public debt management, market infrastructure, and monetary policy implementation. Because the available evidence describes SELIC primarily in terms of its current role as central custodian, detailed historical milestones such as exact founding dates, organizational changes, or technology migrations are not documented in the supplied sources and are therefore not asserted here.

Central market infrastructure for the custody and settlement of Brazilian federal public securities, operated by the Central Bank of Brazil.

• Custody of Brazilian federal public securities

  SELIC acts as the central custodian for all securities emitted by the Brazilian national Treasury.

• Settlement of Brazilian federal public securities

  SELIC provides settlement for Brazilian federal public securities.

1. 1Banco Central do Brasilbcb.gov.br
2. 2Sistema Especial De Liquidacao E Custodia De Titulos Publicoswikidata.org