| Date | Bid | Offer |
|---|---|---|
| Jan 31 2020 | R$ 4.2689 | R$ 4.2695 |
| Jan 30 2020 | R$ 4.2517 | R$ 4.2523 |
| Jan 29 2020 | R$ 4.2007 | R$ 4.2013 |
| Jan 28 2020 | R$ 4.2058 | R$ 4.2064 |
| Jan 27 2020 | R$ 4.2190 | R$ 4.2196 |
| Jan 24 2020 | R$ 4.1763 | R$ 4.1769 |
| Jan 23 2020 | R$ 4.1656 | R$ 4.1662 |
| Jan 22 2020 | R$ 4.1883 | R$ 4.1889 |
| Jan 21 2020 | R$ 4.2008 | R$ 4.2014 |
| Jan 20 2020 | R$ 4.1823 | R$ 4.1829 |
| Jan 17 2020 | R$ 4.1831 | R$ 4.1837 |
| Jan 16 2020 | R$ 4.1720 | R$ 4.1726 |
| Jan 15 2020 | R$ 4.1616 | R$ 4.1622 |
| Jan 14 2020 | R$ 4.1437 | R$ 4.1443 |
| Jan 13 2020 | R$ 4.1303 | R$ 4.1309 |
| Jan 10 2020 | R$ 4.0739 | R$ 4.0745 |
| Jan 09 2020 | R$ 4.0738 | R$ 4.0744 |
| Jan 08 2020 | R$ 4.0666 | R$ 4.0672 |
| Jan 07 2020 | R$ 4.0835 | R$ 4.0841 |
| Jan 06 2020 | R$ 4.0548 | R$ 4.0554 |
| Jan 03 2020 | R$ 4.0516 | R$ 4.0522 |
| Jan 02 2020 | R$ 4.0207 | R$ 4.0213 |
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 03 1984 until Feb 27 2026