| Date | Bid | Offer |
|---|---|---|
| Jan 31 2018 | R$ 3.3939 | R$ 3.3960 |
| Jan 30 2018 | R$ 3.3968 | R$ 3.3989 |
| Jan 29 2018 | R$ 3.3812 | R$ 3.3823 |
| Jan 26 2018 | R$ 3.3580 | R$ 3.3600 |
| Jan 25 2018 | R$ 3.3508 | R$ 3.3534 |
| Jan 24 2018 | R$ 3.3871 | R$ 3.3884 |
| Jan 23 2018 | R$ 3.3611 | R$ 3.3621 |
| Jan 22 2018 | R$ 3.3203 | R$ 3.3223 |
| Jan 19 2018 | R$ 3.3421 | R$ 3.3445 |
| Jan 18 2018 | R$ 3.3493 | R$ 3.3503 |
| Jan 17 2018 | R$ 3.3584 | R$ 3.3604 |
| Jan 16 2018 | R$ 3.3354 | R$ 3.3363 |
| Jan 15 2018 | R$ 3.3223 | R$ 3.3236 |
| Jan 12 2018 | R$ 3.3116 | R$ 3.3135 |
| Jan 11 2018 | R$ 3.3157 | R$ 3.3167 |
| Jan 10 2018 | R$ 3.3229 | R$ 3.3252 |
| Jan 09 2018 | R$ 3.2911 | R$ 3.2930 |
| Jan 08 2018 | R$ 3.3102 | R$ 3.3122 |
| Jan 05 2018 | R$ 3.3132 | R$ 3.3152 |
| Jan 04 2018 | R$ 3.3154 | R$ 3.3174 |
| Jan 03 2018 | R$ 3.3257 | R$ 3.3277 |
| Jan 02 2018 | R$ 3.3598 | R$ 3.3618 |
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 Feb 27 2026