| Date | Bid | Offer |
|---|---|---|
| Sep 30 2014 | R$ 3.9743 | R$ 3.9755 |
| Sep 29 2014 | R$ 3.9875 | R$ 3.9897 |
| Sep 26 2014 | R$ 3.9501 | R$ 3.9523 |
| Sep 25 2014 | R$ 3.9274 | R$ 3.9297 |
| Sep 24 2014 | R$ 3.9325 | R$ 3.9342 |
| Sep 23 2014 | R$ 3.9311 | R$ 3.9335 |
| Sep 22 2014 | R$ 3.8989 | R$ 3.9006 |
| Sep 19 2014 | R$ 3.8580 | R$ 3.8602 |
| Sep 18 2014 | R$ 3.8728 | R$ 3.8747 |
| Sep 17 2014 | R$ 3.8169 | R$ 3.8188 |
| Sep 16 2014 | R$ 3.7985 | R$ 3.8006 |
| Sep 15 2014 | R$ 3.7993 | R$ 3.8008 |
| Sep 12 2014 | R$ 3.7751 | R$ 3.7767 |
| Sep 11 2014 | R$ 3.7108 | R$ 3.7125 |
| Sep 10 2014 | R$ 3.7041 | R$ 3.7055 |
| Sep 09 2014 | R$ 3.6683 | R$ 3.6702 |
| Sep 08 2014 | R$ 3.6286 | R$ 3.6309 |
| Sep 05 2014 | R$ 3.6551 | R$ 3.6572 |
| Sep 04 2014 | R$ 3.6531 | R$ 3.6552 |
| Sep 03 2014 | R$ 3.6705 | R$ 3.6719 |
| Sep 02 2014 | R$ 3.7150 | R$ 3.7164 |
| Sep 01 2014 | R$ 3.7141 | R$ 3.7156 |
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