| Summary of the Month | ||
|---|---|---|
| Parameter | Bid | Ask |
| Average Value | R$ 0.003783 | R$ 0.003784 |
| Business Days | 23 | |
| Date | Bid | Offer |
|---|---|---|
| Oct 31 2025 | R$ 0.003768 | R$ 0.003770 |
| Oct 30 2025 | R$ 0.003763 | R$ 0.003764 |
| Oct 29 2025 | R$ 0.003759 | R$ 0.003761 |
| Oct 28 2025 | R$ 0.003745 | R$ 0.003746 |
| Oct 27 2025 | R$ 0.003750 | R$ 0.003752 |
| Oct 24 2025 | R$ 0.003740 | R$ 0.003741 |
| Oct 23 2025 | R$ 0.003744 | R$ 0.003746 |
| Oct 22 2025 | R$ 0.003768 | R$ 0.003769 |
| Oct 21 2025 | R$ 0.003763 | R$ 0.003764 |
| Oct 20 2025 | R$ 0.003786 | R$ 0.003787 |
| Oct 17 2025 | R$ 0.003823 | R$ 0.003824 |
| Oct 16 2025 | R$ 0.003837 | R$ 0.003839 |
| Oct 15 2025 | R$ 0.003825 | R$ 0.003826 |
| Oct 14 2025 | R$ 0.003844 | R$ 0.003845 |
| Oct 13 2025 | R$ 0.003830 | R$ 0.003831 |
| Oct 10 2025 | R$ 0.003812 | R$ 0.003813 |
| Oct 09 2025 | R$ 0.003759 | R$ 0.003761 |
| Oct 08 2025 | R$ 0.003752 | R$ 0.003753 |
| Oct 07 2025 | R$ 0.003775 | R$ 0.003776 |
| Oct 06 2025 | R$ 0.003772 | R$ 0.003774 |
| Oct 03 2025 | R$ 0.003803 | R$ 0.003804 |
| Oct 02 2025 | R$ 0.003799 | R$ 0.003800 |
| Oct 01 2025 | R$ 0.003792 | R$ 0.003793 |
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.
< September 2025 November 2025 >
Data available from Oct 17 2014 until Aug 18 2026