| Date | Bid | Offer |
|---|---|---|
| Feb 24 2017 | R$ 3.8693 | R$ 3.8713 |
| Feb 23 2017 | R$ 3.8434 | R$ 3.8454 |
| Feb 22 2017 | R$ 3.8393 | R$ 3.8410 |
| Feb 21 2017 | R$ 3.8600 | R$ 3.8616 |
| Feb 20 2017 | R$ 3.8557 | R$ 3.8576 |
| Feb 17 2017 | R$ 3.8436 | R$ 3.8455 |
| Feb 16 2017 | R$ 3.8130 | R$ 3.8150 |
| Feb 15 2017 | R$ 3.8192 | R$ 3.8215 |
| Feb 14 2017 | R$ 3.8645 | R$ 3.8656 |
| Feb 13 2017 | R$ 3.8936 | R$ 3.8956 |
| Feb 10 2017 | R$ 3.8824 | R$ 3.8841 |
| Feb 09 2017 | R$ 3.9095 | R$ 3.9118 |
| Feb 08 2017 | R$ 3.9138 | R$ 3.9150 |
| Feb 07 2017 | R$ 3.8756 | R$ 3.8776 |
| Feb 06 2017 | R$ 3.8801 | R$ 3.8821 |
| Feb 03 2017 | R$ 3.8981 | R$ 3.9001 |
| Feb 02 2017 | R$ 3.9162 | R$ 3.9182 |
| Feb 01 2017 | R$ 3.9794 | R$ 3.9818 |
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 Jan 28 2026