| Date | Bid | Offer |
|---|---|---|
| Sep 30 2022 | R$ 3.9302 | R$ 3.9318 |
| Sep 29 2022 | R$ 3.9345 | R$ 3.9358 |
| Sep 28 2022 | R$ 3.9256 | R$ 3.9272 |
| Sep 27 2022 | R$ 3.8942 | R$ 3.8949 |
| Sep 26 2022 | R$ 3.8945 | R$ 3.8952 |
| Sep 23 2022 | R$ 3.8468 | R$ 3.8484 |
| Sep 22 2022 | R$ 3.8275 | R$ 3.8282 |
| Sep 21 2022 | R$ 3.8572 | R$ 3.8588 |
| Sep 20 2022 | R$ 3.8752 | R$ 3.8768 |
| Sep 19 2022 | R$ 3.9411 | R$ 3.9418 |
| Sep 16 2022 | R$ 3.9831 | R$ 3.9848 |
| Sep 15 2022 | R$ 3.9531 | R$ 3.9548 |
| Sep 14 2022 | R$ 3.9352 | R$ 3.9360 |
| Sep 13 2022 | R$ 3.9461 | R$ 3.9468 |
| Sep 12 2022 | R$ 3.9428 | R$ 3.9444 |
| Sep 09 2022 | R$ 3.9594 | R$ 3.9605 |
| Sep 08 2022 | R$ 3.9745 | R$ 3.9752 |
| Sep 06 2022 | R$ 3.9788 | R$ 3.9805 |
| Sep 05 2022 | R$ 3.9339 | R$ 3.9347 |
| Sep 02 2022 | R$ 3.9618 | R$ 3.9638 |
| Sep 01 2022 | R$ 3.9511 | R$ 3.9519 |
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