| Date | Bid | Offer |
|---|---|---|
| Apr 30 2025 | R$ 4.0986 | R$ 4.1002 |
| Apr 29 2025 | R$ 4.0754 | R$ 4.0762 |
| Apr 28 2025 | R$ 4.0888 | R$ 4.0901 |
| Apr 25 2025 | R$ 4.1007 | R$ 4.1020 |
| Apr 24 2025 | R$ 4.0838 | R$ 4.0857 |
| Apr 23 2025 | R$ 4.0931 | R$ 4.0939 |
| Apr 23 2025 | R$ 4.0931 | R$ 4.0939 |
| Apr 22 2025 | R$ 4.1650 | R$ 4.1673 |
| Apr 17 2025 | R$ 4.2258 | R$ 4.2269 |
| Apr 16 2025 | R$ 4.2355 | R$ 4.2363 |
| Apr 15 2025 | R$ 4.2089 | R$ 4.2102 |
| Apr 14 2025 | R$ 4.2040 | R$ 4.2054 |
| Apr 11 2025 | R$ 4.2253 | R$ 4.2272 |
| Apr 10 2025 | R$ 4.2182 | R$ 4.2198 |
| Apr 09 2025 | R$ 4.2702 | R$ 4.2719 |
| Apr 08 2025 | R$ 4.1798 | R$ 4.1814 |
| Apr 07 2025 | R$ 4.1380 | R$ 4.1387 |
| Apr 04 2025 | R$ 4.0698 | R$ 4.0705 |
| Apr 03 2025 | R$ 3.9862 | R$ 3.9868 |
| Apr 02 2025 | R$ 3.9767 | R$ 3.9778 |
| Apr 01 2025 | R$ 3.9839 | R$ 3.9846 |
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.