| Date | Bid | Offer |
|---|---|---|
| Aug 29 2025 | R$ 6.7831 | R$ 6.7872 |
| Aug 28 2025 | R$ 6.7493 | R$ 6.7509 |
| Aug 27 2025 | R$ 6.7681 | R$ 6.7722 |
| Aug 26 2025 | R$ 6.7503 | R$ 6.7519 |
| Aug 25 2025 | R$ 6.7398 | R$ 6.7439 |
| Aug 22 2025 | R$ 6.7821 | R$ 6.7871 |
| Aug 21 2025 | R$ 6.7782 | R$ 6.7831 |
| Aug 20 2025 | R$ 6.8009 | R$ 6.8050 |
| Aug 19 2025 | R$ 6.7778 | R$ 6.7819 |
| Aug 18 2025 | R$ 6.7091 | R$ 6.7132 |
| Aug 15 2025 | R$ 6.6868 | R$ 6.6908 |
| Aug 14 2025 | R$ 6.6942 | R$ 6.6982 |
| Aug 13 2025 | R$ 6.7017 | R$ 6.7058 |
| Aug 12 2025 | R$ 6.6856 | R$ 6.6896 |
| Aug 11 2025 | R$ 6.7003 | R$ 6.7044 |
| Aug 08 2025 | R$ 6.7189 | R$ 6.7204 |
| Aug 07 2025 | R$ 6.7647 | R$ 6.7688 |
| Aug 06 2025 | R$ 6.8036 | R$ 6.8077 |
| Aug 05 2025 | R$ 6.8251 | R$ 6.8301 |
| Aug 04 2025 | R$ 6.8160 | R$ 6.8201 |
| Aug 01 2025 | R$ 6.8678 | R$ 6.8728 |
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