| Summary of the Month | ||
|---|---|---|
| Parameter | Bid | Ask |
| Average Value | R$ 4.1680 | R$ 4.1704 |
| Business Days | 21 | |
| Date | Bid | Offer |
|---|---|---|
| Jan 30 2026 | R$ 4.1177 | R$ 4.1205 |
| Jan 29 2026 | R$ 4.1009 | R$ 4.1043 |
| Jan 28 2026 | R$ 4.1003 | R$ 4.1034 |
| Jan 27 2026 | R$ 4.1435 | R$ 4.1462 |
| Jan 26 2026 | R$ 4.1581 | R$ 4.1609 |
| Jan 23 2026 | R$ 4.1381 | R$ 4.1412 |
| Jan 22 2026 | R$ 4.1432 | R$ 4.1463 |
| Jan 21 2026 | R$ 4.1575 | R$ 4.1596 |
| Jan 20 2026 | R$ 4.1907 | R$ 4.1915 |
| Jan 19 2026 | R$ 4.1745 | R$ 4.1770 |
| Jan 16 2026 | R$ 4.1709 | R$ 4.1730 |
| Jan 15 2026 | R$ 4.1772 | R$ 4.1799 |
| Jan 14 2026 | R$ 4.1794 | R$ 4.1815 |
| Jan 13 2026 | R$ 4.1712 | R$ 4.1733 |
| Jan 12 2026 | R$ 4.1829 | R$ 4.1837 |
| Jan 09 2026 | R$ 4.1719 | R$ 4.1740 |
| Jan 08 2026 | R$ 4.1900 | R$ 4.1921 |
| Jan 07 2026 | R$ 4.2017 | R$ 4.2048 |
| Jan 06 2026 | R$ 4.2014 | R$ 4.2042 |
| Jan 05 2026 | R$ 4.2282 | R$ 4.2303 |
| Jan 02 2026 | R$ 4.2292 | R$ 4.2300 |
Source: Brazilian Central Bank
Display Columns
Ptax is the main reference rate for contracts denominated in Brazilian Reals (BRL).
For most currencies Brazilian Central Bank publishes the reference rate of the day just after publishing the US Dollar's rate, about 10 minutes after 1 PM (GMT-3) every business day.
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Data available from Oct 17 2014 until Aug 18 2026