| Date | Bid | Offer |
|---|---|---|
| Sep 29 2023 | R$ 3.6982 | R$ 3.6997 |
| Sep 28 2023 | R$ 3.7445 | R$ 3.7464 |
| Sep 27 2023 | R$ 3.7203 | R$ 3.7218 |
| Sep 26 2023 | R$ 3.6793 | R$ 3.6808 |
| Sep 25 2023 | R$ 3.6803 | R$ 3.6819 |
| Sep 22 2023 | R$ 3.6467 | R$ 3.6483 |
| Sep 21 2023 | R$ 3.6497 | R$ 3.6504 |
| Sep 20 2023 | R$ 3.6110 | R$ 3.6117 |
| Sep 19 2023 | R$ 3.6151 | R$ 3.6166 |
| Sep 18 2023 | R$ 3.5987 | R$ 3.6003 |
| Sep 15 2023 | R$ 3.6040 | R$ 3.6047 |
| Sep 14 2023 | R$ 3.6062 | R$ 3.6080 |
| Sep 13 2023 | R$ 3.6319 | R$ 3.6334 |
| Sep 12 2023 | R$ 3.6517 | R$ 3.6532 |
| Sep 11 2023 | R$ 3.6334 | R$ 3.6347 |
| Sep 08 2023 | R$ 3.6572 | R$ 3.6587 |
| Sep 06 2023 | R$ 3.6427 | R$ 3.6442 |
| Sep 05 2023 | R$ 3.6514 | R$ 3.6529 |
| Sep 04 2023 | R$ 3.6165 | R$ 3.6180 |
| Sep 01 2023 | R$ 3.6294 | R$ 3.6311 |
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