Dollar in Brazil › History › 2025 › October
Dollar in Brazil in October 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 October 2025 the BCB reference PTAX (selling) ended at R$ 5,3843, +1,24% against the closure of September (R$ 5,3186). Maximum: R$ 5,4982 (14/10/2025); minimum: R$ 5,3208 (01/10/2025); average: R$ 5,38552609 in 23 working days. A year before, in October of 2024, the average was R$ 5,6241087: The dollar was 4,24% cheaper on average.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
Day by day
| Date | Exchange rate | Daily change |
|---|---|---|
| Wednesday 01/10/2025 | R$ 5,3208 | +0,04% |
| Thursday 02/10/2025 | R$ 5,3449 | +0,45% |
| Friday 03/10/2025 | R$ 5,3498 | +0,09% |
| Monday 06/10/2025 | R$ 5,3226 | -0,51% |
| Tuesday 07/10/2025 | R$ 5,3363 | +0,26% |
| Wednesday 08/10/2025 | R$ 5,3427 | +0,12% |
| Thursday 09/10/2025 | R$ 5,3538 | +0,21% |
| Friday 10/10/2025 | R$ 5,4446 | +1,70% |
| Monday 13/10/2025 | R$ 5,4629 | +0,34% |
| Tuesday 14/10/2025 | R$ 5,4982 | +0,65% |
| Wednesday 15/10/2025 | R$ 5,4464 | -0,94% |
| Thursday 16/10/2025 | R$ 5,4354 | -0,20% |
| Friday 17/10/2025 | R$ 5,4390 | +0,07% |
| Monday 20/10/2025 | R$ 5,3771 | -1,14% |
| Tuesday 21/10/2025 | R$ 5,3848 | +0,14% |
| Wednesday 22/10/2025 | R$ 5,3898 | +0,09% |
| Thursday 23/10/2025 | R$ 5,3840 | -0,11% |
| Friday 24/10/2025 | R$ 5,3797 | -0,08% |
| Monday 27/10/2025 | R$ 5,3744 | -0,10% |
| Tuesday 28/10/2025 | R$ 5,3690 | -0,10% |
| Wednesday 29/10/2025 | R$ 5,3416 | -0,51% |
| Thursday 30/10/2025 | R$ 5,3850 | +0,81% |
| Friday 31/10/2025 | R$ 5,3843 | -0,01% |