In brief

Foreign investors pulled R$ 18.12 billion from B3B3OrganizationOperator of Brazil's exchange and market infrastructure, listed as B3SA3. Revenue tracks traded volumes; tax and regulatory disputes (Carf, Cade) make up its contingent risk.Open in the Market Map ↗'s secondary market in August, the largest monthly outflow since January 2022, per an Elos Ayta survey of B3B3OrganizationOperator of Brazil's exchange and market infrastructure, listed as B3SA3. Revenue tracks traded volumes; tax and regulatory disputes (Carf, Cade) make up its contingent risk.Open in the Market Map ↗ data published by Exame and Poder360.

The year's balance halved, from R$ 36.41 billion through July to R$ 18.29 billion through August: R$ 56.55 billion came in from January to April and R$ 38.26 billion left from May to August, per the same sources.

The gap with the R$ 15.63 billion published by InfoMoney on August 17 is one of cut-off date: that figure, from the same consultancy, covered only through August 13; the closed month totaled R$ 18.12 billion.

What we know

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  1. Verified fact · material

    Foreign investors pulled R$ 18.12 billion from B3B3OrganizationOperator of Brazil's exchange and market infrastructure, listed as B3SA3. Revenue tracks traded volumes; tax and regulatory disputes (Carf, Cade) make up its contingent risk.Open in the Market Map ↗'s secondary market in August 2026, the largest monthly outflow since January 2022, per Elos Ayta using B3B3OrganizationOperator of Brazil's exchange and market infrastructure, listed as B3SA3. Revenue tracks traded volumes; tax and regulatory disputes (Carf, Cade) make up its contingent risk.Open in the Market Map ↗ data.

    It is the month's central figure for the flow that supported the market early in the year.

    Sources[01][02]
  2. Verified fact · material

    The year-to-date foreign balance fell from R$ 36.41 billion through July to R$ 18.29 billion through August, with inflows of R$ 56.55 billion from January to April and outflows of R$ 38.26 billion from May to August.

    It shows half of the year's flow has already been given back.

    Sources[01][02]
  3. Verified fact

    InfoMoney published on August 17 an outflow of R$ 15.63 billion, from the same consultancy, with data only through August 13; the closed-month reading is R$ 18.12 billion.

    It explains the gap between published figures.

    Sources[03]
  4. Verified fact

    Per Exame, 2026 holds the two largest monthly outflows in the sample, August and May; the Ibovespa closed the first week of September up 5.4%, the largest gain since January.

    It contextualizes the outflow with the index's recent performance.

    Sources[01][04]

Transmission to assets

Market read-through

For the Ibovespa, September's rise comes without foreigners; support depends on local funds and retail investors, making the rally more sensitive to election polls and the dollar.

For the currency, the R$ 18 billion stock outflow adds to negative financial flows and offsets part of August's trade surplus.

Portfolio impact

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Ibovespa e ações de maior peso estrangeironegative

Persistent foreign outflows remove the marginal buyer that supported the index in the first four months.

Negative for flows; the index rose in September regardless.

What would change the view: The read changes if flows turn in September on local rate cuts or market-friendly polls.

direct45% confidence

Direction is an explanatory hypothesis, not a forecast or recommendation.

Next signals

What to watch

  • B3B3OrganizationOperator of Brazil's exchange and market infrastructure, listed as B3SA3. Revenue tracks traded volumes; tax and regulatory disputes (Carf, Cade) make up its contingent risk.Open in the Market Map ↗'s daily foreign flow in September, after a strong first week.
  • Election polls and the Fed's decision on September 17, the two triggers cited by fund managers.

Limits of the reporting

What remains uncertain

  • The figures are Elos Ayta's from B3B3OrganizationOperator of Brazil's exchange and market infrastructure, listed as B3SA3. Revenue tracks traded volumes; tax and regulatory disputes (Carf, Cade) make up its contingent risk.Open in the Market Map ↗ data and exclude public offerings; B3B3OrganizationOperator of Brazil's exchange and market infrastructure, listed as B3SA3. Revenue tracks traded volumes; tax and regulatory disputes (Carf, Cade) make up its contingent risk.Open in the Market Map ↗'s official bulletin may differ at the margin.

Full sources

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