| Date | Bid | Offer |
|---|---|---|
| Aug 31 2018 | R$ 4.1347 | R$ 4.1353 |
| Aug 30 2018 | R$ 4.1806 | R$ 4.1812 |
| Aug 29 2018 | R$ 4.1347 | R$ 4.1353 |
| Aug 28 2018 | R$ 4.1186 | R$ 4.1192 |
| Aug 27 2018 | R$ 4.0681 | R$ 4.0687 |
| Aug 24 2018 | R$ 4.0848 | R$ 4.0854 |
| Aug 23 2018 | R$ 4.0721 | R$ 4.0727 |
| Aug 22 2018 | R$ 4.0734 | R$ 4.0740 |
| Aug 21 2018 | R$ 3.9867 | R$ 3.9873 |
| Aug 20 2018 | R$ 3.9424 | R$ 3.9430 |
| Aug 17 2018 | R$ 3.9383 | R$ 3.9389 |
| Aug 16 2018 | R$ 3.8804 | R$ 3.8810 |
| Aug 15 2018 | R$ 3.9128 | R$ 3.9134 |
| Aug 14 2018 | R$ 3.8806 | R$ 3.8812 |
| Aug 13 2018 | R$ 3.8982 | R$ 3.8988 |
| Aug 10 2018 | R$ 3.8466 | R$ 3.8472 |
| Aug 09 2018 | R$ 3.8024 | R$ 3.8030 |
| Aug 08 2018 | R$ 3.7513 | R$ 3.7519 |
| Aug 07 2018 | R$ 3.7112 | R$ 3.7118 |
| Aug 06 2018 | R$ 3.7208 | R$ 3.7214 |
| Aug 03 2018 | R$ 3.7195 | R$ 3.7201 |
| Aug 02 2018 | R$ 3.7639 | R$ 3.7645 |
| Aug 01 2018 | R$ 3.7485 | R$ 3.7491 |
Source: Brazilian Central Bank
Display Columns
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.
Data available from Dec 03 1984 until Feb 27 2026