| Date | Bid | Offer |
|---|---|---|
| Aug 31 2023 | R$ 3.6344 | R$ 3.6351 |
| Aug 30 2023 | R$ 3.5987 | R$ 3.5997 |
| Aug 29 2023 | R$ 3.5825 | R$ 3.5842 |
| Aug 28 2023 | R$ 3.5985 | R$ 3.5992 |
| Aug 25 2023 | R$ 3.5778 | R$ 3.5793 |
| Aug 24 2023 | R$ 3.5924 | R$ 3.5942 |
| Aug 23 2023 | R$ 3.6157 | R$ 3.6172 |
| Aug 22 2023 | R$ 3.6471 | R$ 3.6489 |
| Aug 21 2023 | R$ 3.6737 | R$ 3.6752 |
| Aug 18 2023 | R$ 3.6662 | R$ 3.6678 |
| Aug 17 2023 | R$ 3.6825 | R$ 3.6843 |
| Aug 16 2023 | R$ 3.6806 | R$ 3.6822 |
| Aug 15 2023 | R$ 3.6959 | R$ 3.6974 |
| Aug 14 2023 | R$ 3.6771 | R$ 3.6786 |
| Aug 11 2023 | R$ 3.6396 | R$ 3.6411 |
| Aug 10 2023 | R$ 3.6189 | R$ 3.6205 |
| Aug 09 2023 | R$ 3.6449 | R$ 3.6464 |
| Aug 08 2023 | R$ 3.6566 | R$ 3.6582 |
| Aug 07 2023 | R$ 3.6636 | R$ 3.6651 |
| Aug 04 2023 | R$ 3.6431 | R$ 3.6447 |
| Aug 03 2023 | R$ 3.6564 | R$ 3.6582 |
| Aug 02 2023 | R$ 3.6048 | R$ 3.6063 |
| Aug 01 2023 | R$ 3.5915 | R$ 3.5931 |
Source: Brazilian Central Bank
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Ptax is the main reference rate for the US Dollar in Brazil. It's published daily by the Brazilian Central Bank based on the quotes received from the major foreign exchange dealers in the Brazilian market. It's released by 1 PM (GMT-3) every business day.
Data available from Dec 05 1984 until Jan 28 2026