| Date | Bid | Offer |
|---|---|---|
| Aug 31 2022 | R$ 3.9548 | R$ 3.9565 |
| Aug 30 2022 | R$ 3.8670 | R$ 3.8683 |
| Aug 29 2022 | R$ 3.8775 | R$ 3.8794 |
| Aug 26 2022 | R$ 3.9133 | R$ 3.9141 |
| Aug 25 2022 | R$ 3.9520 | R$ 3.9537 |
| Aug 24 2022 | R$ 3.9352 | R$ 3.9369 |
| Aug 23 2022 | R$ 3.9407 | R$ 3.9424 |
| Aug 22 2022 | R$ 3.9650 | R$ 3.9657 |
| Aug 19 2022 | R$ 3.9972 | R$ 3.9992 |
| Aug 18 2022 | R$ 3.9987 | R$ 3.9995 |
| Aug 17 2022 | R$ 4.0030 | R$ 4.0046 |
| Aug 16 2022 | R$ 3.9868 | R$ 3.9885 |
| Aug 15 2022 | R$ 3.9497 | R$ 3.9504 |
| Aug 12 2022 | R$ 3.9901 | R$ 3.9918 |
| Aug 11 2022 | R$ 4.0104 | R$ 4.0122 |
| Aug 10 2022 | R$ 3.9517 | R$ 3.9525 |
| Aug 09 2022 | R$ 3.9759 | R$ 3.9776 |
| Aug 08 2022 | R$ 3.9851 | R$ 3.9878 |
| Aug 05 2022 | R$ 4.0299 | R$ 4.0307 |
| Aug 04 2022 | R$ 4.0765 | R$ 4.0782 |
| Aug 03 2022 | R$ 4.1057 | R$ 4.1065 |
| Aug 02 2022 | R$ 4.0696 | R$ 4.0704 |
| Aug 01 2022 | R$ 4.0206 | R$ 4.0217 |
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