| Date | Bid | Offer |
|---|---|---|
| Nov 28 2025 | R$ 3.8250 | R$ 3.8263 |
| Nov 27 2025 | R$ 3.8108 | R$ 3.8123 |
| Nov 26 2025 | R$ 3.8190 | R$ 3.8197 |
| Nov 25 2025 | R$ 3.8159 | R$ 3.8172 |
| Nov 24 2025 | R$ 3.8219 | R$ 3.8231 |
| Nov 21 2025 | R$ 3.8148 | R$ 3.8161 |
| Nov 19 2025 | R$ 3.7997 | R$ 3.8009 |
| Nov 18 2025 | R$ 3.8067 | R$ 3.8080 |
| Nov 17 2025 | R$ 3.7849 | R$ 3.7864 |
| Nov 14 2025 | R$ 3.7740 | R$ 3.7753 |
| Nov 13 2025 | R$ 3.7689 | R$ 3.7704 |
| Nov 12 2025 | R$ 3.7773 | R$ 3.7786 |
| Nov 11 2025 | R$ 3.7627 | R$ 3.7639 |
| Nov 10 2025 | R$ 3.7901 | R$ 3.7913 |
| Nov 07 2025 | R$ 3.8051 | R$ 3.8066 |
| Nov 06 2025 | R$ 3.7818 | R$ 3.7831 |
| Nov 05 2025 | R$ 3.8080 | R$ 3.8092 |
| Nov 04 2025 | R$ 3.8225 | R$ 3.8237 |
| Nov 03 2025 | R$ 3.8023 | R$ 3.8036 |
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.
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Data available from Dec 05 1984 until Jan 28 2026