Dollar in Brazil › History › 2025 › August
Dollar in Brazil in August 2025
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 2025 the BCB reference PTAX (selling) ended at R$ 5,4264, -3,14% against the closure of July (R$ 5,6021). Maximum: R$ 5,5436 (01/08/2025); minimum: R$ 5,3928 (13/08/2025); average: R$ 5,44692381 in 21 working days. A year before, in August of 2024, the average was R$ 5,55261364: The dollar was 1,90% cheaper on average.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
Day by day
| Date | Exchange rate | Daily change |
|---|---|---|
| Friday 01/08/2025 | R$ 5,5436 | -1,04% |
| Monday 04/08/2025 | R$ 5,5113 | -0,58% |
| Tuesday 05/08/2025 | R$ 5,5119 | +0,01% |
| Wednesday 06/08/2025 | R$ 5,4802 | -0,58% |
| Thursday 07/08/2025 | R$ 5,4638 | -0,30% |
| Friday 08/08/2025 | R$ 5,4254 | -0,70% |
| Monday 11/08/2025 | R$ 5,4473 | +0,40% |
| Tuesday 12/08/2025 | R$ 5,4052 | -0,77% |
| Wednesday 13/08/2025 | R$ 5,3928 | -0,23% |
| Thursday 14/08/2025 | R$ 5,4095 | +0,31% |
| Friday 15/08/2025 | R$ 5,3928 | -0,31% |
| Monday 18/08/2025 | R$ 5,4155 | +0,42% |
| Tuesday 19/08/2025 | R$ 5,4716 | +1,04% |
| Wednesday 20/08/2025 | R$ 5,4726 | +0,02% |
| Thursday 21/08/2025 | R$ 5,4828 | +0,19% |
| Friday 22/08/2025 | R$ 5,4392 | -0,80% |
| Monday 25/08/2025 | R$ 5,4174 | -0,40% |
| Tuesday 26/08/2025 | R$ 5,4218 | +0,08% |
| Wednesday 27/08/2025 | R$ 5,4428 | +0,39% |
| Thursday 28/08/2025 | R$ 5,4115 | -0,58% |
| Friday 29/08/2025 | R$ 5,4264 | +0,28% |