| Date | Bid | Offer |
|---|---|---|
| Nov 30 2021 | R$ 3.9852 | R$ 3.9868 |
| Nov 29 2021 | R$ 3.9924 | R$ 3.9939 |
| Nov 26 2021 | R$ 3.9805 | R$ 3.9821 |
| Nov 25 2021 | R$ 4.0062 | R$ 4.0077 |
| Nov 24 2021 | R$ 4.0279 | R$ 4.0295 |
| Nov 23 2021 | R$ 4.0740 | R$ 4.0778 |
| Nov 22 2021 | R$ 4.0447 | R$ 4.0479 |
| Nov 19 2021 | R$ 4.0311 | R$ 4.0326 |
| Nov 18 2021 | R$ 4.0261 | R$ 4.0282 |
| Nov 17 2021 | R$ 4.0003 | R$ 4.0018 |
| Nov 16 2021 | R$ 4.0067 | R$ 4.0082 |
| Nov 12 2021 | R$ 3.9664 | R$ 3.9679 |
| Nov 11 2021 | R$ 3.9578 | R$ 3.9594 |
| Nov 10 2021 | R$ 4.0163 | R$ 4.0173 |
| Nov 09 2021 | R$ 4.0515 | R$ 4.0531 |
| Nov 08 2021 | R$ 4.1271 | R$ 4.1281 |
| Nov 05 2021 | R$ 4.1054 | R$ 4.1087 |
| Nov 04 2021 | R$ 4.1404 | R$ 4.1414 |
| Nov 03 2021 | R$ 4.2092 | R$ 4.2119 |
| Nov 01 2021 | R$ 4.2703 | R$ 4.2719 |
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