| Date | Bid | Offer |
|---|---|---|
| Sep 30 2019 | R$ 4.1638 | R$ 4.1644 |
| Sep 27 2019 | R$ 4.1581 | R$ 4.1587 |
| Sep 26 2019 | R$ 4.1463 | R$ 4.1469 |
| Sep 25 2019 | R$ 4.1821 | R$ 4.1827 |
| Sep 24 2019 | R$ 4.1715 | R$ 4.1721 |
| Sep 23 2019 | R$ 4.1728 | R$ 4.1734 |
| Sep 20 2019 | R$ 4.1681 | R$ 4.1687 |
| Sep 19 2019 | R$ 4.1387 | R$ 4.1393 |
| Sep 18 2019 | R$ 4.0966 | R$ 4.0972 |
| Sep 17 2019 | R$ 4.0992 | R$ 4.0998 |
| Sep 16 2019 | R$ 4.0866 | R$ 4.0872 |
| Sep 13 2019 | R$ 4.0610 | R$ 4.0616 |
| Sep 12 2019 | R$ 4.0488 | R$ 4.0494 |
| Sep 11 2019 | R$ 4.0625 | R$ 4.0631 |
| Sep 10 2019 | R$ 4.1102 | R$ 4.1108 |
| Sep 09 2019 | R$ 4.0760 | R$ 4.0766 |
| Sep 06 2019 | R$ 4.0644 | R$ 4.0650 |
| Sep 05 2019 | R$ 4.0853 | R$ 4.0859 |
| Sep 04 2019 | R$ 4.1243 | R$ 4.1249 |
| Sep 03 2019 | R$ 4.1651 | R$ 4.1657 |
| Sep 02 2019 | R$ 4.1575 | R$ 4.1581 |
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.
Data available from Dec 03 1984 until Feb 27 2026