| Date | Bid | Offer |
|---|---|---|
| Mar 31 2022 | R$ 3.7943 | R$ 3.7960 |
| Mar 30 2022 | R$ 3.8005 | R$ 3.8013 |
| Mar 29 2022 | R$ 3.7942 | R$ 3.7958 |
| Mar 28 2022 | R$ 3.8151 | R$ 3.8177 |
| Mar 25 2022 | R$ 3.8178 | R$ 3.8186 |
| Mar 24 2022 | R$ 3.8348 | R$ 3.8365 |
| Mar 23 2022 | R$ 3.8778 | R$ 3.8796 |
| Mar 22 2022 | R$ 3.9031 | R$ 3.9038 |
| Mar 21 2022 | R$ 3.9475 | R$ 3.9493 |
| Mar 18 2022 | R$ 3.9896 | R$ 3.9914 |
| Mar 17 2022 | R$ 4.0157 | R$ 4.0165 |
| Mar 16 2022 | R$ 4.0236 | R$ 4.0254 |
| Mar 15 2022 | R$ 4.0066 | R$ 4.0073 |
| Mar 14 2022 | R$ 3.9638 | R$ 3.9655 |
| Mar 11 2022 | R$ 3.9563 | R$ 3.9571 |
| Mar 10 2022 | R$ 3.9508 | R$ 3.9525 |
| Mar 09 2022 | R$ 3.9076 | R$ 3.9093 |
| Mar 08 2022 | R$ 3.9550 | R$ 3.9558 |
| Mar 07 2022 | R$ 3.9600 | R$ 3.9617 |
| Mar 04 2022 | R$ 3.9752 | R$ 3.9770 |
| Mar 03 2022 | R$ 3.9840 | R$ 3.9860 |
| Mar 02 2022 | R$ 4.0579 | R$ 4.0597 |
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