| Date | Bid | Offer |
|---|---|---|
| Sep 30 2016 | R$ 3.6474 | R$ 3.6484 |
| Sep 29 2016 | R$ 3.6232 | R$ 3.6251 |
| Sep 28 2016 | R$ 3.6366 | R$ 3.6376 |
| Sep 27 2016 | R$ 3.6257 | R$ 3.6267 |
| Sep 26 2016 | R$ 3.6502 | R$ 3.6521 |
| Sep 23 2016 | R$ 3.6169 | R$ 3.6188 |
| Sep 22 2016 | R$ 3.5940 | R$ 3.5950 |
| Sep 21 2016 | R$ 3.6174 | R$ 3.6184 |
| Sep 20 2016 | R$ 3.6340 | R$ 3.6360 |
| Sep 19 2016 | R$ 3.6467 | R$ 3.6487 |
| Sep 16 2016 | R$ 3.6822 | R$ 3.6832 |
| Sep 15 2016 | R$ 3.7468 | R$ 3.7485 |
| Sep 14 2016 | R$ 3.7480 | R$ 3.7500 |
| Sep 13 2016 | R$ 3.7057 | R$ 3.7077 |
| Sep 12 2016 | R$ 3.6878 | R$ 3.6898 |
| Sep 09 2016 | R$ 3.6587 | R$ 3.6597 |
| Sep 08 2016 | R$ 3.5935 | R$ 3.5948 |
| Sep 06 2016 | R$ 3.6456 | R$ 3.6466 |
| Sep 05 2016 | R$ 3.6474 | R$ 3.6494 |
| Sep 02 2016 | R$ 3.6170 | R$ 3.6190 |
| Sep 01 2016 | R$ 3.6336 | R$ 3.6356 |
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 31 1998 until Jan 28 2026