| Date | Bid | Offer |
|---|---|---|
| Jun 30 2023 | R$ 3.6405 | R$ 3.6421 |
| Jun 29 2023 | R$ 3.6663 | R$ 3.6678 |
| Jun 28 2023 | R$ 3.6641 | R$ 3.6657 |
| Jun 27 2023 | R$ 3.6343 | R$ 3.6362 |
| Jun 26 2023 | R$ 3.6270 | R$ 3.6286 |
| Jun 23 2023 | R$ 3.6207 | R$ 3.6222 |
| Jun 22 2023 | R$ 3.6266 | R$ 3.6273 |
| Jun 21 2023 | R$ 3.6250 | R$ 3.6266 |
| Jun 20 2023 | R$ 3.6169 | R$ 3.6185 |
| Jun 19 2023 | R$ 3.6196 | R$ 3.6203 |
| Jun 16 2023 | R$ 3.6581 | R$ 3.6597 |
| Jun 15 2023 | R$ 3.6417 | R$ 3.6432 |
| Jun 14 2023 | R$ 3.6469 | R$ 3.6484 |
| Jun 13 2023 | R$ 3.6481 | R$ 3.6496 |
| Jun 12 2023 | R$ 3.6489 | R$ 3.6504 |
| Jun 09 2023 | R$ 3.6655 | R$ 3.6670 |
| Jun 07 2023 | R$ 3.6739 | R$ 3.6755 |
| Jun 06 2023 | R$ 3.6761 | R$ 3.6777 |
| Jun 05 2023 | R$ 3.6676 | R$ 3.6691 |
| Jun 02 2023 | R$ 3.6869 | R$ 3.6876 |
| Jun 01 2023 | R$ 3.7444 | R$ 3.7460 |
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.