| Date | Bid | Offer |
|---|---|---|
| Mar 20 2026 | R$ 3.8442 | R$ 3.8450 |
| Mar 19 2026 | R$ 3.8313 | R$ 3.8320 |
| Mar 18 2026 | R$ 3.8034 | R$ 3.8049 |
| Mar 17 2026 | R$ 3.7943 | R$ 3.7956 |
| Mar 16 2026 | R$ 3.8463 | R$ 3.8476 |
| Mar 13 2026 | R$ 3.8243 | R$ 3.8251 |
| Mar 12 2026 | R$ 3.8212 | R$ 3.8225 |
| Mar 11 2026 | R$ 3.7923 | R$ 3.7930 |
| Mar 10 2026 | R$ 3.8051 | R$ 3.8064 |
| Mar 09 2026 | R$ 3.8398 | R$ 3.8414 |
| Mar 06 2026 | R$ 3.8797 | R$ 3.8812 |
| Mar 05 2026 | R$ 3.8323 | R$ 3.8333 |
| Mar 04 2026 | R$ 3.8130 | R$ 3.8140 |
| Mar 03 2026 | R$ 3.8573 | R$ 3.8591 |
| Mar 02 2026 | R$ 3.7941 | R$ 3.7957 |
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 Mar 20 2026