| Date | Bid | Offer |
|---|---|---|
| Jan 31 2017 | R$ 3.1660 | R$ 3.1682 |
| Jan 30 2017 | R$ 3.1310 | R$ 3.1329 |
| Jan 27 2017 | R$ 3.1631 | R$ 3.1650 |
| Jan 26 2017 | R$ 3.1820 | R$ 3.1839 |
| Jan 25 2017 | R$ 3.1638 | R$ 3.1674 |
| Jan 24 2017 | R$ 3.1668 | R$ 3.1687 |
| Jan 23 2017 | R$ 3.1590 | R$ 3.1606 |
| Jan 20 2017 | R$ 3.1668 | R$ 3.1687 |
| Jan 19 2017 | R$ 3.1726 | R$ 3.1735 |
| Jan 18 2017 | R$ 3.2128 | R$ 3.2147 |
| Jan 17 2017 | R$ 3.2088 | R$ 3.2106 |
| Jan 16 2017 | R$ 3.1884 | R$ 3.1915 |
| Jan 13 2017 | R$ 3.1654 | R$ 3.1670 |
| Jan 12 2017 | R$ 3.1413 | R$ 3.1444 |
| Jan 11 2017 | R$ 3.1425 | R$ 3.1440 |
| Jan 10 2017 | R$ 3.1487 | R$ 3.1496 |
| Jan 09 2017 | R$ 3.1517 | R$ 3.1548 |
| Jan 06 2017 | R$ 3.1565 | R$ 3.1586 |
| Jan 05 2017 | R$ 3.1636 | R$ 3.1657 |
| Jan 04 2017 | R$ 3.1535 | R$ 3.1566 |
| Jan 03 2017 | R$ 3.1676 | R$ 3.1694 |
| Jan 02 2017 | R$ 3.1972 | R$ 3.2003 |
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.
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Data available from Dec 05 1984 until Feb 27 2026