| Date | Bid | Offer |
|---|---|---|
| Oct 31 2025 | R$ 5.3837 | R$ 5.3843 |
| Oct 30 2025 | R$ 5.3844 | R$ 5.3850 |
| Oct 29 2025 | R$ 5.3410 | R$ 5.3416 |
| Oct 28 2025 | R$ 5.3684 | R$ 5.3690 |
| Oct 27 2025 | R$ 5.3738 | R$ 5.3744 |
| Oct 24 2025 | R$ 5.3791 | R$ 5.3797 |
| Oct 23 2025 | R$ 5.3834 | R$ 5.3840 |
| Oct 22 2025 | R$ 5.3892 | R$ 5.3898 |
| Oct 21 2025 | R$ 5.3842 | R$ 5.3848 |
| Oct 20 2025 | R$ 5.3765 | R$ 5.3771 |
| Oct 17 2025 | R$ 5.4384 | R$ 5.4390 |
| Oct 16 2025 | R$ 5.4348 | R$ 5.4354 |
| Oct 15 2025 | R$ 5.4458 | R$ 5.4464 |
| Oct 14 2025 | R$ 5.4976 | R$ 5.4982 |
| Oct 13 2025 | R$ 5.4623 | R$ 5.4629 |
| Oct 10 2025 | R$ 5.4440 | R$ 5.4446 |
| Oct 09 2025 | R$ 5.3532 | R$ 5.3538 |
| Oct 08 2025 | R$ 5.3421 | R$ 5.3427 |
| Oct 07 2025 | R$ 5.3357 | R$ 5.3363 |
| Oct 06 2025 | R$ 5.3220 | R$ 5.3226 |
| Oct 03 2025 | R$ 5.3492 | R$ 5.3498 |
| Oct 02 2025 | R$ 5.3443 | R$ 5.3449 |
| Oct 01 2025 | R$ 5.3202 | R$ 5.3208 |
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.
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Data available from Dec 03 1984 until Jan 28 2026