B3 (B3SA3) released on Tuesday, October 13, 2026, its operating highlights for September 2026. The average daily financial volume in equities (spot market, forward, equity futures and options) reached R$ 33.421 billion in the month, an increase of 45.7% compared to September 2025 and of 10.4% versus August 2026. In the spot market, average daily volume was R$ 31.810 billion, up 44.3% in 12 months.
In derivatives, average daily volume totaled 11,521 thousand contracts in September 2026, an advance of 24.5% compared to September 2025 and of 19.9% versus August 2026. In BRL interest rates, average daily volume was 6,184 thousand contracts, growth of 41.8% in 12 months, while index derivatives totaled 3,762 thousand contracts, an increase of 22.2% in the same period.
Equity market turnover was 150.4% in September 2026, versus 123.1% a year earlier, and average market capitalization reached R$ 5.223 billion, compared to R$ 4.478 billion in September 2025. In fixed income and credit, new issuances came to R$ 2.265 billion in the month, a slight increase of 2.1% compared to the same period of the previous year, and outstanding volume reached R$ 10.147 billion, growth of 16.0% in 12 months.
In the securities lending segment, open contracts totaled R$ 197 billion in September 2026, up 7.3% versus September 2025. The average lender rate was 1.319% per year, compared to 1.117% per year a year earlier. The outstanding balance of Tesouro Direto, in turn, stood at R$ 263 billion, growth of 43.3% in 12 months.
In capital markets solutions, the total number of accounts at B3’s central securities depository reached 6,748,971 in September 2026, an increase of 9.1% compared to September 2025, while the number of individual retail investors (individual CPFs) reached 5,885,692, up 9.2% in the same period. In technology and platforms, OTC usage reached 24,727 participants, an advance of 9.0% in 12 months, and the outstanding balance of funds on market-support platforms totaled R$ 5.875 billion, an increase of 18.2% over September 2025.
