| Date | Bid | Offer |
|---|---|---|
| Jul 29 2022 | R$ 3.6226 | R$ 3.6241 |
| Jul 28 2022 | R$ 3.6349 | R$ 3.6358 |
| Jul 27 2022 | R$ 3.6707 | R$ 3.6733 |
| Jul 26 2022 | R$ 3.7189 | R$ 3.7204 |
| Jul 25 2022 | R$ 3.7642 | R$ 3.7657 |
| Jul 22 2022 | R$ 3.7861 | R$ 3.7876 |
| Jul 21 2022 | R$ 3.7757 | R$ 3.7767 |
| Jul 20 2022 | R$ 3.7427 | R$ 3.7442 |
| Jul 19 2022 | R$ 3.7206 | R$ 3.7215 |
| Jul 18 2022 | R$ 3.6688 | R$ 3.6714 |
| Jul 15 2022 | R$ 3.6677 | R$ 3.6703 |
| Jul 14 2022 | R$ 3.6786 | R$ 3.6795 |
| Jul 13 2022 | R$ 3.6614 | R$ 3.6644 |
| Jul 12 2022 | R$ 3.6641 | R$ 3.6650 |
| Jul 11 2022 | R$ 3.6088 | R$ 3.6102 |
| Jul 08 2022 | R$ 3.6402 | R$ 3.6417 |
| Jul 07 2022 | R$ 3.6611 | R$ 3.6620 |
| Jul 06 2022 | R$ 3.6788 | R$ 3.6802 |
| Jul 05 2022 | R$ 3.6496 | R$ 3.6506 |
| Jul 04 2022 | R$ 3.6391 | R$ 3.6400 |
| Jul 01 2022 | R$ 3.6074 | R$ 3.6083 |
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.