| Date | Bid | Offer |
|---|---|---|
| Oct 30 2015 | R$ 3.9078 | R$ 3.9125 |
| Oct 29 2015 | R$ 3.9690 | R$ 3.9705 |
| Oct 28 2015 | R$ 3.9426 | R$ 3.9472 |
| Oct 27 2015 | R$ 3.9728 | R$ 3.9742 |
| Oct 26 2015 | R$ 3.9318 | R$ 3.9341 |
| Oct 23 2015 | R$ 3.9924 | R$ 3.9939 |
| Oct 22 2015 | R$ 4.0504 | R$ 4.0519 |
| Oct 21 2015 | R$ 4.1162 | R$ 4.1190 |
| Oct 20 2015 | R$ 4.0501 | R$ 4.0516 |
| Oct 19 2015 | R$ 4.0753 | R$ 4.0764 |
| Oct 16 2015 | R$ 4.0272 | R$ 4.0313 |
| Oct 15 2015 | R$ 4.0376 | R$ 4.0417 |
| Oct 14 2015 | R$ 4.0446 | R$ 4.0466 |
| Oct 13 2015 | R$ 3.9832 | R$ 3.9881 |
| Oct 09 2015 | R$ 3.8853 | R$ 3.8899 |
| Oct 08 2015 | R$ 3.9805 | R$ 3.9819 |
| Oct 07 2015 | R$ 3.9141 | R$ 3.9189 |
| Oct 06 2015 | R$ 3.9832 | R$ 3.9846 |
| Oct 05 2015 | R$ 4.0138 | R$ 4.0161 |
| Oct 02 2015 | R$ 4.1304 | R$ 4.1320 |
| Oct 01 2015 | R$ 4.0800 | R$ 4.0848 |
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 Feb 27 2026