| Date | Bid | Offer |
|---|---|---|
| Aug 30 2024 | R$ 4.1912 | R$ 4.1920 |
| Aug 29 2024 | R$ 4.1854 | R$ 4.1861 |
| Aug 28 2024 | R$ 4.1082 | R$ 4.1090 |
| Aug 27 2024 | R$ 4.0831 | R$ 4.0857 |
| Aug 26 2024 | R$ 4.0720 | R$ 4.0727 |
| Aug 23 2024 | R$ 4.0886 | R$ 4.0893 |
| Aug 22 2024 | R$ 4.0804 | R$ 4.0811 |
| Aug 21 2024 | R$ 4.0269 | R$ 4.0276 |
| Aug 20 2024 | R$ 4.0010 | R$ 4.0017 |
| Aug 19 2024 | R$ 3.9695 | R$ 3.9714 |
| Aug 16 2024 | R$ 3.9856 | R$ 3.9863 |
| Aug 15 2024 | R$ 3.9884 | R$ 3.9891 |
| Aug 14 2024 | R$ 3.9787 | R$ 3.9794 |
| Aug 13 2024 | R$ 3.9980 | R$ 3.9988 |
| Aug 12 2024 | R$ 3.9948 | R$ 3.9967 |
| Aug 09 2024 | R$ 4.0144 | R$ 4.0151 |
| Aug 08 2024 | R$ 4.0869 | R$ 4.0876 |
| Aug 07 2024 | R$ 4.0850 | R$ 4.0857 |
| Aug 06 2024 | R$ 4.0985 | R$ 4.0992 |
| Aug 05 2024 | R$ 4.1705 | R$ 4.1712 |
| Aug 02 2024 | R$ 4.1424 | R$ 4.1431 |
| Aug 01 2024 | R$ 4.0921 | R$ 4.0940 |
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 05 1984 until Jan 28 2026