| Date | Bid | Offer |
|---|---|---|
| Feb 29 2024 | R$ 3.6729 | R$ 3.6745 |
| Feb 28 2024 | R$ 3.6520 | R$ 3.6538 |
| Feb 27 2024 | R$ 3.6658 | R$ 3.6673 |
| Feb 26 2024 | R$ 3.6849 | R$ 3.6867 |
| Feb 23 2024 | R$ 3.6911 | R$ 3.6927 |
| Feb 22 2024 | R$ 3.6600 | R$ 3.6615 |
| Feb 21 2024 | R$ 3.6476 | R$ 3.6491 |
| Feb 20 2024 | R$ 3.6562 | R$ 3.6577 |
| Feb 19 2024 | R$ 3.6742 | R$ 3.6749 |
| Feb 16 2024 | R$ 3.6899 | R$ 3.6915 |
| Feb 15 2024 | R$ 3.6810 | R$ 3.6828 |
| Feb 14 2024 | R$ 3.6683 | R$ 3.6691 |
| Feb 09 2024 | R$ 3.6921 | R$ 3.6937 |
| Feb 08 2024 | R$ 3.6983 | R$ 3.6990 |
| Feb 07 2024 | R$ 3.6821 | R$ 3.6839 |
| Feb 06 2024 | R$ 3.6727 | R$ 3.6745 |
| Feb 05 2024 | R$ 3.6962 | R$ 3.6978 |
| Feb 02 2024 | R$ 3.6766 | R$ 3.6781 |
| Feb 01 2024 | R$ 3.6780 | R$ 3.6795 |
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