| Date | Bid | Offer |
|---|---|---|
| Feb 28 2020 | R$ 4.4981 | R$ 4.4987 |
| Feb 27 2020 | R$ 4.4758 | R$ 4.4764 |
| Feb 26 2020 | R$ 4.4353 | R$ 4.4359 |
| Feb 21 2020 | R$ 4.3918 | R$ 4.3924 |
| Feb 20 2020 | R$ 4.3867 | R$ 4.3873 |
| Feb 19 2020 | R$ 4.3722 | R$ 4.3728 |
| Feb 18 2020 | R$ 4.3465 | R$ 4.3471 |
| Feb 17 2020 | R$ 4.3151 | R$ 4.3157 |
| Feb 14 2020 | R$ 4.3157 | R$ 4.3163 |
| Feb 13 2020 | R$ 4.3383 | R$ 4.3389 |
| Feb 12 2020 | R$ 4.3360 | R$ 4.3366 |
| Feb 11 2020 | R$ 4.3142 | R$ 4.3148 |
| Feb 10 2020 | R$ 4.3189 | R$ 4.3195 |
| Feb 07 2020 | R$ 4.3070 | R$ 4.3076 |
| Feb 06 2020 | R$ 4.2471 | R$ 4.2477 |
| Feb 05 2020 | R$ 4.2443 | R$ 4.2449 |
| Feb 04 2020 | R$ 4.2375 | R$ 4.2381 |
| Feb 03 2020 | R$ 4.2469 | R$ 4.2475 |
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 03 1984 until Feb 27 2026