| Date | Bid | Offer |
|---|---|---|
| Aug 30 2013 | R$ 3.6681 | R$ 3.6698 |
| Aug 29 2013 | R$ 3.6504 | R$ 3.6518 |
| Aug 28 2013 | R$ 3.6486 | R$ 3.6498 |
| Aug 27 2013 | R$ 3.7252 | R$ 3.7266 |
| Aug 26 2013 | R$ 3.6890 | R$ 3.6904 |
| Aug 23 2013 | R$ 3.7163 | R$ 3.7179 |
| Aug 22 2013 | R$ 3.8092 | R$ 3.8106 |
| Aug 21 2013 | R$ 3.7880 | R$ 3.7899 |
| Aug 20 2013 | R$ 3.7526 | R$ 3.7540 |
| Aug 19 2013 | R$ 3.7553 | R$ 3.7569 |
| Aug 16 2013 | R$ 3.6794 | R$ 3.6816 |
| Aug 15 2013 | R$ 3.6480 | R$ 3.6494 |
| Aug 14 2013 | R$ 3.5888 | R$ 3.5909 |
| Aug 13 2013 | R$ 3.5580 | R$ 3.5596 |
| Aug 12 2013 | R$ 3.5151 | R$ 3.5167 |
| Aug 09 2013 | R$ 3.5263 | R$ 3.5275 |
| Aug 08 2013 | R$ 3.5586 | R$ 3.5600 |
| Aug 07 2013 | R$ 3.5705 | R$ 3.5726 |
| Aug 06 2013 | R$ 3.5266 | R$ 3.5282 |
| Aug 05 2013 | R$ 3.5302 | R$ 3.5316 |
| Aug 02 2013 | R$ 3.5023 | R$ 3.5039 |
| Aug 01 2013 | R$ 3.4685 | R$ 3.4703 |
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