| Date | Bid | Offer |
|---|---|---|
| Oct 29 2021 | R$ 4.2374 | R$ 4.2385 |
| Oct 28 2021 | R$ 4.2347 | R$ 4.2357 |
| Oct 27 2021 | R$ 4.1824 | R$ 4.1839 |
| Oct 26 2021 | R$ 4.1823 | R$ 4.1839 |
| Oct 25 2021 | R$ 4.1925 | R$ 4.1957 |
| Oct 22 2021 | R$ 4.2611 | R$ 4.2626 |
| Oct 21 2021 | R$ 4.2262 | R$ 4.2278 |
| Oct 20 2021 | R$ 4.1740 | R$ 4.1750 |
| Oct 19 2021 | R$ 4.1531 | R$ 4.1541 |
| Oct 18 2021 | R$ 4.0921 | R$ 4.0942 |
| Oct 15 2021 | R$ 4.0409 | R$ 4.0425 |
| Oct 14 2021 | R$ 4.0786 | R$ 4.0801 |
| Oct 13 2021 | R$ 4.0871 | R$ 4.0904 |
| Oct 11 2021 | R$ 4.0633 | R$ 4.0648 |
| Oct 08 2021 | R$ 4.0245 | R$ 4.0261 |
| Oct 07 2021 | R$ 4.0358 | R$ 4.0374 |
| Oct 06 2021 | R$ 3.9974 | R$ 3.9989 |
| Oct 05 2021 | R$ 3.9829 | R$ 3.9850 |
| Oct 04 2021 | R$ 3.9467 | R$ 3.9482 |
| Oct 01 2021 | R$ 3.9189 | R$ 3.9204 |
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.
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Data available from Dec 05 1984 until Jan 28 2026