| Date | Bid | Offer |
|---|---|---|
| Apr 30 2024 | R$ 3.7611 | R$ 3.7619 |
| Apr 29 2024 | R$ 3.7458 | R$ 3.7476 |
| Apr 26 2024 | R$ 3.7408 | R$ 3.7423 |
| Apr 25 2024 | R$ 3.7731 | R$ 3.7747 |
| Apr 24 2024 | R$ 3.7588 | R$ 3.7603 |
| Apr 23 2024 | R$ 3.7742 | R$ 3.7749 |
| Apr 22 2024 | R$ 3.7914 | R$ 3.7938 |
| Apr 19 2024 | R$ 3.8021 | R$ 3.8036 |
| Apr 18 2024 | R$ 3.8167 | R$ 3.8174 |
| Apr 17 2024 | R$ 3.7995 | R$ 3.8010 |
| Apr 16 2024 | R$ 3.8062 | R$ 3.8078 |
| Apr 15 2024 | R$ 3.7618 | R$ 3.7633 |
| Apr 12 2024 | R$ 3.7321 | R$ 3.7339 |
| Apr 11 2024 | R$ 3.7026 | R$ 3.7044 |
| Apr 10 2024 | R$ 3.6988 | R$ 3.7003 |
| Apr 09 2024 | R$ 3.6860 | R$ 3.6875 |
| Apr 08 2024 | R$ 3.7103 | R$ 3.7118 |
| Apr 05 2024 | R$ 3.7186 | R$ 3.7202 |
| Apr 04 2024 | R$ 3.7214 | R$ 3.7229 |
| Apr 03 2024 | R$ 3.7499 | R$ 3.7515 |
| Apr 02 2024 | R$ 3.7181 | R$ 3.7197 |
| Apr 01 2024 | R$ 3.7198 | R$ 3.7213 |
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.