| Date | Bid | Offer |
|---|---|---|
| Sep 30 2024 | R$ 3.7746 | R$ 3.7777 |
| Sep 27 2024 | R$ 3.7608 | R$ 3.7617 |
| Sep 26 2024 | R$ 3.7535 | R$ 3.7544 |
| Sep 25 2024 | R$ 3.7413 | R$ 3.7423 |
| Sep 24 2024 | R$ 3.7576 | R$ 3.7602 |
| Sep 23 2024 | R$ 3.7960 | R$ 3.7969 |
| Sep 20 2024 | R$ 3.7270 | R$ 3.7280 |
| Sep 19 2024 | R$ 3.6920 | R$ 3.6930 |
| Sep 18 2024 | R$ 3.7002 | R$ 3.7012 |
| Sep 17 2024 | R$ 3.7144 | R$ 3.7154 |
| Sep 16 2024 | R$ 3.7189 | R$ 3.7221 |
| Sep 13 2024 | R$ 3.7388 | R$ 3.7397 |
| Sep 12 2024 | R$ 3.7859 | R$ 3.7869 |
| Sep 11 2024 | R$ 3.7488 | R$ 3.7497 |
| Sep 10 2024 | R$ 3.7411 | R$ 3.7420 |
| Sep 09 2024 | R$ 3.7357 | R$ 3.7383 |
| Sep 06 2024 | R$ 3.7172 | R$ 3.7181 |
| Sep 05 2024 | R$ 3.7695 | R$ 3.7704 |
| Sep 04 2024 | R$ 3.7880 | R$ 3.7890 |
| Sep 03 2024 | R$ 3.7778 | R$ 3.7788 |
| Sep 02 2024 | R$ 3.8170 | R$ 3.8180 |
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