| Date | Bid | Offer |
|---|---|---|
| Nov 29 2024 | R$ 3.9429 | R$ 3.9439 |
| Nov 28 2024 | R$ 3.8900 | R$ 3.8934 |
| Nov 27 2024 | R$ 3.7839 | R$ 3.7860 |
| Nov 26 2024 | R$ 3.7487 | R$ 3.7508 |
| Nov 25 2024 | R$ 3.7697 | R$ 3.7730 |
| Nov 22 2024 | R$ 3.7730 | R$ 3.7757 |
| Nov 21 2024 | R$ 3.7890 | R$ 3.7911 |
| Nov 19 2024 | R$ 3.7639 | R$ 3.7660 |
| Nov 18 2024 | R$ 3.7340 | R$ 3.7361 |
| Nov 14 2024 | R$ 3.7511 | R$ 3.7521 |
| Nov 13 2024 | R$ 3.7504 | R$ 3.7513 |
| Nov 12 2024 | R$ 3.7739 | R$ 3.7749 |
| Nov 11 2024 | R$ 3.8083 | R$ 3.8093 |
| Nov 08 2024 | R$ 3.8044 | R$ 3.8053 |
| Nov 07 2024 | R$ 3.7849 | R$ 3.7859 |
| Nov 06 2024 | R$ 3.7894 | R$ 3.7904 |
| Nov 05 2024 | R$ 3.8365 | R$ 3.8375 |
| Nov 04 2024 | R$ 3.8209 | R$ 3.8218 |
| Nov 01 2024 | R$ 3.8214 | R$ 3.8224 |
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.
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Data available from Dec 05 1984 until Jan 28 2026