| Date | Bid | Offer |
|---|---|---|
| Jun 30 2020 | R$ 3.7726 | R$ 3.7741 |
| Jun 29 2020 | R$ 3.7265 | R$ 3.7280 |
| Jun 26 2020 | R$ 3.7471 | R$ 3.7481 |
| Jun 25 2020 | R$ 3.6588 | R$ 3.6603 |
| Jun 24 2020 | R$ 3.6040 | R$ 3.6054 |
| Jun 23 2020 | R$ 3.5946 | R$ 3.5961 |
| Jun 22 2020 | R$ 3.6042 | R$ 3.6057 |
| Jun 19 2020 | R$ 3.6641 | R$ 3.6651 |
| Jun 18 2020 | R$ 3.6600 | R$ 3.6610 |
| Jun 17 2020 | R$ 3.6193 | R$ 3.6209 |
| Jun 16 2020 | R$ 3.5306 | R$ 3.5320 |
| Jun 15 2020 | R$ 3.5531 | R$ 3.5545 |
| Jun 12 2020 | R$ 3.4506 | R$ 3.4521 |
| Jun 10 2020 | R$ 3.4236 | R$ 3.4245 |
| Jun 09 2020 | R$ 3.4149 | R$ 3.4163 |
| Jun 08 2020 | R$ 3.4483 | R$ 3.4512 |
| Jun 05 2020 | R$ 3.4744 | R$ 3.4753 |
| Jun 04 2020 | R$ 3.5428 | R$ 3.5443 |
| Jun 03 2020 | R$ 3.5089 | R$ 3.5099 |
| Jun 02 2020 | R$ 3.6138 | R$ 3.6153 |
| Jun 01 2020 | R$ 3.6385 | R$ 3.6399 |
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.