Dollar in Brazil › History › 2026 › August
Dollar in Brazil in August 2026
PTAX is a Banco Central do Brasil reference calculated from four daily surveys of foreign-exchange dealers. Buying and selling are the sides of that wholesale reference, not executable offers. Final bank or exchange-office prices may include margins, taxes and fees; these are not estimated here.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
In August 2026 the BCB reference PTAX (selling) ended at R$ 5,1816, +2,05% against the closure of July (R$ 5,0773). Maximum: R$ 5,2236 (14/08/2026); minimum: R$ 5,0723 (03/08/2026); average: R$ 5,1531619 in 21 working days. A year before, in August of 2025, the average was R$ 5,44692381: The dollar was 5,39% cheaper on average.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
Day by day
| Date | Exchange rate | Daily change |
|---|---|---|
| Monday 03/08/2026 | R$ 5,0723 | -0,10% |
| Tuesday 04/08/2026 | R$ 5,1053 | +0,65% |
| Wednesday 05/08/2026 | R$ 5,1154 | +0,20% |
| Thursday 06/08/2026 | R$ 5,1017 | -0,27% |
| Friday 07/08/2026 | R$ 5,0908 | -0,21% |
| Monday 10/08/2026 | R$ 5,0963 | +0,11% |
| Tuesday 11/08/2026 | R$ 5,1285 | +0,63% |
| Wednesday 12/08/2026 | R$ 5,1639 | +0,69% |
| Thursday 13/08/2026 | R$ 5,1859 | +0,43% |
| Friday 14/08/2026 | R$ 5,2236 | +0,73% |
| Monday 17/08/2026 | R$ 5,2014 | -0,42% |
| Tuesday 18/08/2026 | R$ 5,2043 | +0,06% |
| Wednesday 19/08/2026 | R$ 5,1714 | -0,63% |
| Thursday 20/08/2026 | R$ 5,1862 | +0,29% |
| Friday 21/08/2026 | R$ 5,1625 | -0,46% |
| Monday 24/08/2026 | R$ 5,1512 | -0,22% |
| Tuesday 25/08/2026 | R$ 5,1490 | -0,04% |
| Wednesday 26/08/2026 | R$ 5,1604 | +0,22% |
| Thursday 27/08/2026 | R$ 5,1642 | +0,07% |
| Friday 28/08/2026 | R$ 5,2005 | +0,70% |
| Monday 31/08/2026 | R$ 5,1816 | -0,36% |