B3 S.A. – Brasil, Bolsa, Balcão is a prominent financial market infrastructure company that provides trading services in an exchange and over-the-counter (OTC) environment. It organizes markets for securities, commodities, and futures, and offers post-trade services including settlement, clearing, deposit, and registration. The company also provides technological solutions and data analytics services. B3 is headquartered in São Paulo, Brazil, and was founded on August 23, 1890.