| Summary of the Month | ||
|---|---|---|
| Parameter | Bid | Ask |
| Average Value | R$ 4.0364 | R$ 4.0379 |
| Business Days | 21 | |
| Date | Bid | Offer |
|---|---|---|
| Aug 31 2026 | R$ 4.0734 | R$ 4.0745 |
| Aug 28 2026 | R$ 4.0787 | R$ 4.0814 |
| Aug 27 2026 | R$ 4.0630 | R$ 4.0637 |
| Aug 26 2026 | R$ 4.0561 | R$ 4.0569 |
| Aug 25 2026 | R$ 4.0551 | R$ 4.0559 |
| Aug 24 2026 | R$ 4.0534 | R$ 4.0541 |
| Aug 21 2026 | R$ 4.0658 | R$ 4.0685 |
| Aug 20 2026 | R$ 4.0754 | R$ 4.0782 |
| Aug 19 2026 | R$ 4.0645 | R$ 4.0672 |
| Aug 18 2026 | R$ 4.0711 | R$ 4.0719 |
| Aug 17 2026 | R$ 4.0724 | R$ 4.0751 |
| Aug 14 2026 | R$ 4.0849 | R$ 4.0860 |
| Aug 13 2026 | R$ 4.0491 | R$ 4.0502 |
| Aug 12 2026 | R$ 4.0350 | R$ 4.0359 |
| Aug 11 2026 | R$ 4.0046 | R$ 4.0073 |
| Aug 10 2026 | R$ 3.9810 | R$ 3.9821 |
| Aug 07 2026 | R$ 3.9814 | R$ 3.9822 |
| Aug 06 2026 | R$ 3.9722 | R$ 3.9748 |
| Aug 05 2026 | R$ 3.9913 | R$ 3.9920 |
| Aug 04 2026 | R$ 3.9821 | R$ 3.9829 |
| Aug 03 2026 | R$ 3.9539 | R$ 3.9547 |
Source: Brazilian Central Bank
Display Columns
Ptax is the main reference rate for contracts denominated in Brazilian Reals (BRL).
For most currencies Brazilian Central Bank publishes the reference rate of the day just after publishing the US Dollar's rate, about 10 minutes after 1 PM (GMT-3) every business day.
Data available from Oct 17 2014 until Aug 31 2026