| Date | Bid | Offer |
|---|---|---|
| Apr 16 2026 | R$ 3.5846 | R$ 3.5855 |
| Apr 15 2026 | R$ 3.5739 | R$ 3.5753 |
| Apr 14 2026 | R$ 3.5502 | R$ 3.5517 |
| Apr 13 2026 | R$ 3.5478 | R$ 3.5487 |
| Apr 10 2026 | R$ 3.5538 | R$ 3.5552 |
| Apr 09 2026 | R$ 3.5997 | R$ 3.6012 |
| Apr 08 2026 | R$ 3.5925 | R$ 3.5940 |
| Apr 07 2026 | R$ 3.5839 | R$ 3.5848 |
| Apr 06 2026 | R$ 3.5646 | R$ 3.5655 |
| Apr 02 2026 | R$ 3.5684 | R$ 3.5699 |
| Apr 01 2026 | R$ 3.5826 | R$ 3.5840 |
Source: Banco Central do Brasil
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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.