| Date | Bid | Offer |
|---|---|---|
| Jun 30 2025 | R$ 4.0057 | R$ 4.0067 |
| Jun 27 2025 | R$ 4.0056 | R$ 4.0072 |
| Jun 26 2025 | R$ 4.0445 | R$ 4.0459 |
| Jun 25 2025 | R$ 4.0300 | R$ 4.0313 |
| Jun 24 2025 | R$ 4.0052 | R$ 4.0069 |
| Jun 23 2025 | R$ 4.0078 | R$ 4.0085 |
| Jun 20 2025 | R$ 3.9993 | R$ 4.0001 |
| Jun 18 2025 | R$ 4.0097 | R$ 4.0105 |
| Jun 17 2025 | R$ 4.0299 | R$ 4.0313 |
| Jun 16 2025 | R$ 4.0650 | R$ 4.0666 |
| Jun 13 2025 | R$ 4.0982 | R$ 4.0999 |
| Jun 12 2025 | R$ 4.0671 | R$ 4.0682 |
| Jun 11 2025 | R$ 4.0530 | R$ 4.0537 |
| Jun 10 2025 | R$ 4.0590 | R$ 4.0603 |
| Jun 09 2025 | R$ 4.0765 | R$ 4.0772 |
| Jun 06 2025 | R$ 4.0872 | R$ 4.0879 |
| Jun 05 2025 | R$ 4.0939 | R$ 4.0952 |
| Jun 04 2025 | R$ 4.1198 | R$ 4.1212 |
| Jun 03 2025 | R$ 4.1306 | R$ 4.1322 |
| Jun 02 2025 | R$ 4.1549 | R$ 4.1566 |
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.