| Date | Bid | Offer |
|---|---|---|
| Apr 29 2022 | R$ 3.4926 | R$ 3.4935 |
| Apr 28 2022 | R$ 3.5449 | R$ 3.5468 |
| Apr 27 2022 | R$ 3.5730 | R$ 3.5739 |
| Apr 26 2022 | R$ 3.5472 | R$ 3.5486 |
| Apr 25 2022 | R$ 3.4881 | R$ 3.4895 |
| Apr 22 2022 | R$ 3.4335 | R$ 3.4344 |
| Apr 20 2022 | R$ 3.4561 | R$ 3.4575 |
| Apr 19 2022 | R$ 3.4392 | R$ 3.4405 |
| Apr 18 2022 | R$ 3.4354 | R$ 3.4382 |
| Apr 14 2022 | R$ 3.4907 | R$ 3.4916 |
| Apr 13 2022 | R$ 3.4767 | R$ 3.4776 |
| Apr 12 2022 | R$ 3.4774 | R$ 3.4783 |
| Apr 11 2022 | R$ 3.4888 | R$ 3.4902 |
| Apr 08 2022 | R$ 3.5431 | R$ 3.5445 |
| Apr 07 2022 | R$ 3.5424 | R$ 3.5434 |
| Apr 06 2022 | R$ 3.5418 | R$ 3.5427 |
| Apr 05 2022 | R$ 3.5232 | R$ 3.5245 |
| Apr 04 2022 | R$ 3.4839 | R$ 3.4867 |
| Apr 01 2022 | R$ 3.5201 | R$ 3.5210 |
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.