| Date | Bid | Offer |
|---|---|---|
| Sep 30 2015 | R$ 3.9722 | R$ 3.9729 |
| Sep 29 2015 | R$ 4.1165 | R$ 4.1172 |
| Sep 28 2015 | R$ 4.0093 | R$ 4.0099 |
| Sep 25 2015 | R$ 3.9472 | R$ 3.9479 |
| Sep 24 2015 | R$ 4.1942 | R$ 4.1949 |
| Sep 23 2015 | R$ 4.1034 | R$ 4.1041 |
| Sep 22 2015 | R$ 4.0419 | R$ 4.0425 |
| Sep 21 2015 | R$ 3.9815 | R$ 3.9821 |
| Sep 18 2015 | R$ 3.9015 | R$ 3.9021 |
| Sep 17 2015 | R$ 3.8915 | R$ 3.8921 |
| Sep 16 2015 | R$ 3.8361 | R$ 3.8368 |
| Sep 15 2015 | R$ 3.8593 | R$ 3.8599 |
| Sep 14 2015 | R$ 3.8647 | R$ 3.8653 |
| Sep 11 2015 | R$ 3.8692 | R$ 3.8698 |
| Sep 10 2015 | R$ 3.8691 | R$ 3.8698 |
| Sep 09 2015 | R$ 3.7864 | R$ 3.7870 |
| Sep 08 2015 | R$ 3.8021 | R$ 3.8028 |
| Sep 04 2015 | R$ 3.7980 | R$ 3.7986 |
| Sep 03 2015 | R$ 3.7753 | R$ 3.7760 |
| Sep 02 2015 | R$ 3.7307 | R$ 3.7314 |
| Sep 01 2015 | R$ 3.6719 | R$ 3.6725 |
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