| Date | Bid | Offer |
|---|---|---|
| Aug 31 2021 | R$ 5.1427 | R$ 5.1433 |
| Aug 30 2021 | R$ 5.1946 | R$ 5.1952 |
| Aug 27 2021 | R$ 5.2194 | R$ 5.2200 |
| Aug 26 2021 | R$ 5.2423 | R$ 5.2429 |
| Aug 25 2021 | R$ 5.2459 | R$ 5.2465 |
| Aug 24 2021 | R$ 5.3011 | R$ 5.3017 |
| Aug 23 2021 | R$ 5.3680 | R$ 5.3686 |
| Aug 20 2021 | R$ 5.4268 | R$ 5.4274 |
| Aug 19 2021 | R$ 5.4174 | R$ 5.4180 |
| Aug 18 2021 | R$ 5.3019 | R$ 5.3025 |
| Aug 17 2021 | R$ 5.2579 | R$ 5.2585 |
| Aug 16 2021 | R$ 5.2489 | R$ 5.2495 |
| Aug 13 2021 | R$ 5.2468 | R$ 5.2474 |
| Aug 12 2021 | R$ 5.2345 | R$ 5.2351 |
| Aug 11 2021 | R$ 5.2007 | R$ 5.2013 |
| Aug 10 2021 | R$ 5.2211 | R$ 5.2217 |
| Aug 09 2021 | R$ 5.2768 | R$ 5.2774 |
| Aug 06 2021 | R$ 5.2404 | R$ 5.2410 |
| Aug 05 2021 | R$ 5.1459 | R$ 5.1464 |
| Aug 04 2021 | R$ 5.2085 | R$ 5.2091 |
| Aug 03 2021 | R$ 5.2458 | R$ 5.2464 |
| Aug 02 2021 | R$ 5.1373 | R$ 5.1379 |
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 03 1984 until Feb 27 2026