| Date | Bid | Offer |
|---|---|---|
| Dec 31 2021 | R$ 4.3874 | R$ 4.3882 |
| Dec 30 2021 | R$ 4.3620 | R$ 4.3639 |
| Dec 29 2021 | R$ 4.4212 | R$ 4.4230 |
| Dec 28 2021 | R$ 4.4046 | R$ 4.4054 |
| Dec 27 2021 | R$ 4.4298 | R$ 4.4317 |
| Dec 24 2021 | R$ 4.4121 | R$ 4.4167 |
| Dec 23 2021 | R$ 4.4397 | R$ 4.4416 |
| Dec 22 2021 | R$ 4.4482 | R$ 4.4501 |
| Dec 21 2021 | R$ 4.4357 | R$ 4.4375 |
| Dec 20 2021 | R$ 4.4016 | R$ 4.4034 |
| Dec 17 2021 | R$ 4.4411 | R$ 4.4419 |
| Dec 16 2021 | R$ 4.4606 | R$ 4.4614 |
| Dec 15 2021 | R$ 4.4232 | R$ 4.4240 |
| Dec 14 2021 | R$ 4.3944 | R$ 4.3966 |
| Dec 13 2021 | R$ 4.3986 | R$ 4.4005 |
| Dec 10 2021 | R$ 4.3997 | R$ 4.4006 |
| Dec 09 2021 | R$ 4.3705 | R$ 4.3724 |
| Dec 08 2021 | R$ 4.4044 | R$ 4.4066 |
| Dec 07 2021 | R$ 4.4600 | R$ 4.4618 |
| Dec 06 2021 | R$ 4.4462 | R$ 4.4480 |
| Dec 03 2021 | R$ 4.4107 | R$ 4.4125 |
| Dec 02 2021 | R$ 4.3922 | R$ 4.3941 |
| Dec 01 2021 | R$ 4.4049 | R$ 4.4067 |
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.
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Data available from Dec 05 1984 until Jan 28 2026