| Date | Bid | Offer |
|---|---|---|
| Aug 31 2017 | R$ 2.4952 | R$ 2.4963 |
| Aug 30 2017 | R$ 2.4999 | R$ 2.5010 |
| Aug 29 2017 | R$ 2.5259 | R$ 2.5274 |
| Aug 28 2017 | R$ 2.5104 | R$ 2.5112 |
| Aug 25 2017 | R$ 2.4929 | R$ 2.4953 |
| Aug 24 2017 | R$ 2.4817 | R$ 2.4825 |
| Aug 23 2017 | R$ 2.4906 | R$ 2.4917 |
| Aug 22 2017 | R$ 2.4946 | R$ 2.4957 |
| Aug 21 2017 | R$ 2.4942 | R$ 2.4950 |
| Aug 18 2017 | R$ 2.5100 | R$ 2.5111 |
| Aug 17 2017 | R$ 2.5012 | R$ 2.5026 |
| Aug 16 2017 | R$ 2.4945 | R$ 2.4975 |
| Aug 15 2017 | R$ 2.5001 | R$ 2.5012 |
| Aug 14 2017 | R$ 2.5069 | R$ 2.5077 |
| Aug 11 2017 | R$ 2.4965 | R$ 2.4976 |
| Aug 10 2017 | R$ 2.4870 | R$ 2.4878 |
| Aug 09 2017 | R$ 2.4761 | R$ 2.4772 |
| Aug 08 2017 | R$ 2.4747 | R$ 2.4762 |
| Aug 07 2017 | R$ 2.4709 | R$ 2.4717 |
| Aug 04 2017 | R$ 2.4731 | R$ 2.4742 |
| Aug 03 2017 | R$ 2.4770 | R$ 2.4790 |
| Aug 02 2017 | R$ 2.4950 | R$ 2.4961 |
| Aug 01 2017 | R$ 2.4836 | R$ 2.4848 |
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