| Date | Bid | Offer |
|---|---|---|
| Mar 31 2017 | R$ 3.1675 | R$ 3.1694 |
| Mar 30 2017 | R$ 3.1332 | R$ 3.1347 |
| Mar 29 2017 | R$ 3.1323 | R$ 3.1336 |
| Mar 28 2017 | R$ 3.1764 | R$ 3.1783 |
| Mar 27 2017 | R$ 3.1787 | R$ 3.1797 |
| Mar 24 2017 | R$ 3.1550 | R$ 3.1566 |
| Mar 23 2017 | R$ 3.1472 | R$ 3.1490 |
| Mar 22 2017 | R$ 3.1239 | R$ 3.1258 |
| Mar 21 2017 | R$ 3.0954 | R$ 3.0966 |
| Mar 20 2017 | R$ 3.0988 | R$ 3.1007 |
| Mar 17 2017 | R$ 3.1128 | R$ 3.1144 |
| Mar 16 2017 | R$ 3.1218 | R$ 3.1227 |
| Mar 15 2017 | R$ 3.1363 | R$ 3.1381 |
| Mar 14 2017 | R$ 3.1373 | R$ 3.1407 |
| Mar 13 2017 | R$ 3.1313 | R$ 3.1328 |
| Mar 10 2017 | R$ 3.1292 | R$ 3.1310 |
| Mar 09 2017 | R$ 3.1269 | R$ 3.1288 |
| Mar 08 2017 | R$ 3.1015 | R$ 3.1033 |
| Mar 07 2017 | R$ 3.0755 | R$ 3.0785 |
| Mar 06 2017 | R$ 3.0754 | R$ 3.0769 |
| Mar 03 2017 | R$ 3.1026 | R$ 3.1035 |
| Mar 02 2017 | R$ 3.0790 | R$ 3.0802 |
| Mar 01 2017 | R$ 3.0733 | R$ 3.0767 |
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 05 1984 until Feb 27 2026