| Date | Bid | Offer |
|---|---|---|
| Apr 30 2020 | R$ 6.8383 | R$ 6.8396 |
| Apr 29 2020 | R$ 6.7449 | R$ 6.7478 |
| Apr 28 2020 | R$ 6.9234 | R$ 6.9259 |
| Apr 27 2020 | R$ 6.9984 | R$ 7.0014 |
| Apr 24 2020 | R$ 6.9669 | R$ 6.9699 |
| Apr 23 2020 | R$ 6.7346 | R$ 6.7376 |
| Apr 22 2020 | R$ 6.6375 | R$ 6.6404 |
| Apr 20 2020 | R$ 6.5843 | R$ 6.5867 |
| Apr 17 2020 | R$ 6.5698 | R$ 6.5727 |
| Apr 16 2020 | R$ 6.5102 | R$ 6.5115 |
| Apr 15 2020 | R$ 6.5827 | R$ 6.5855 |
| Apr 14 2020 | R$ 6.5401 | R$ 6.5424 |
| Apr 13 2020 | R$ 6.4850 | R$ 6.4868 |
| Apr 09 2020 | R$ 6.3233 | R$ 6.3260 |
| Apr 08 2020 | R$ 6.4573 | R$ 6.4601 |
| Apr 07 2020 | R$ 6.4434 | R$ 6.4451 |
| Apr 06 2020 | R$ 6.4495 | R$ 6.4524 |
| Apr 03 2020 | R$ 6.4781 | R$ 6.4810 |
| Apr 02 2020 | R$ 6.5153 | R$ 6.5187 |
| Apr 01 2020 | R$ 6.4933 | R$ 6.4960 |
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.