Dollar in Brazil › History › 2026 › October
Dollar in Brazil in October 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 October 2026 the BCB reference PTAX (selling) ended at R$ 5,4212, +4,64% against the closure of September (R$ 5,1809). Maximum: R$ 5,5007 (26/10/2026); minimum: R$ 4,9698 (06/10/2026); average: R$ 5,1294 in 21 working days. A year before, in October of 2025, the average was R$ 5,38552609: The dollar was 4,76% cheaper on average.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
Day by day
| Date | Exchange rate | Daily change |
|---|---|---|
| Thursday 01/10/2026 | R$ 5,2079 | +0,52% |
| Friday 02/10/2026 | R$ 5,2238 | +0,31% |
| Monday 05/10/2026 | R$ 4,9859 | -4,55% |
| Tuesday 06/10/2026 | R$ 4,9698 | -0,32% |
| Wednesday 07/10/2026 | R$ 4,9935 | +0,48% |
| Thursday 08/10/2026 | R$ 5,0119 | +0,37% |
| Friday 09/10/2026 | R$ 4,9892 | -0,45% |
| Tuesday 13/10/2026 | R$ 5,0096 | +0,41% |
| Wednesday 14/10/2026 | R$ 5,0441 | +0,69% |
| Thursday 15/10/2026 | R$ 5,0521 | +0,16% |
| Friday 16/10/2026 | R$ 5,0826 | +0,60% |
| Monday 19/10/2026 | R$ 5,0564 | -0,52% |
| Tuesday 20/10/2026 | R$ 5,0140 | -0,84% |
| Wednesday 21/10/2026 | R$ 5,0277 | +0,27% |
| Thursday 22/10/2026 | R$ 5,0383 | +0,21% |
| Friday 23/10/2026 | R$ 5,0377 | -0,01% |
| Monday 26/10/2026 | R$ 5,5007 | +9,19% |
| Tuesday 27/10/2026 | R$ 5,3346 | -3,02% |
| Wednesday 28/10/2026 | R$ 5,3420 | +0,14% |
| Thursday 29/10/2026 | R$ 5,3744 | +0,61% |
| Friday 30/10/2026 | R$ 5,4212 | +0,87% |