| Date | Bid | Offer |
|---|---|---|
| Mar 29 2018 | R$ 3.4714 | R$ 3.4735 |
| Mar 28 2018 | R$ 3.4987 | R$ 3.4997 |
| Mar 27 2018 | R$ 3.5085 | R$ 3.5106 |
| Mar 26 2018 | R$ 3.4972 | R$ 3.4990 |
| Mar 23 2018 | R$ 3.4891 | R$ 3.4912 |
| Mar 22 2018 | R$ 3.4791 | R$ 3.4812 |
| Mar 21 2018 | R$ 3.4491 | R$ 3.4512 |
| Mar 20 2018 | R$ 3.4529 | R$ 3.4539 |
| Mar 19 2018 | R$ 3.4597 | R$ 3.4618 |
| Mar 16 2018 | R$ 3.4503 | R$ 3.4524 |
| Mar 15 2018 | R$ 3.4560 | R$ 3.4581 |
| Mar 14 2018 | R$ 3.4430 | R$ 3.4440 |
| Mar 13 2018 | R$ 3.4417 | R$ 3.4441 |
| Mar 12 2018 | R$ 3.4352 | R$ 3.4362 |
| Mar 09 2018 | R$ 3.4196 | R$ 3.4214 |
| Mar 08 2018 | R$ 3.4245 | R$ 3.4266 |
| Mar 07 2018 | R$ 3.4294 | R$ 3.4315 |
| Mar 06 2018 | R$ 3.4323 | R$ 3.4344 |
| Mar 05 2018 | R$ 3.4703 | R$ 3.4725 |
| Mar 02 2018 | R$ 3.4760 | R$ 3.4785 |
| Mar 01 2018 | R$ 3.4388 | R$ 3.4402 |
Source: Brazilian Central Bank
Display Columns
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 Feb 27 2026