| Summary of the Month | ||
|---|---|---|
| Parameter | Bid | Ask |
| Average Value | R$ 3.5999 | R$ 3.6009 |
| Business Days | 8 | |
| Date | Bid | Offer |
|---|---|---|
| May 13 2026 | R$ 3.5838 | R$ 3.5845 |
| May 12 2026 | R$ 3.5706 | R$ 3.5718 |
| May 11 2026 | R$ 3.5829 | R$ 3.5841 |
| May 08 2026 | R$ 3.5811 | R$ 3.5818 |
| May 07 2026 | R$ 3.6049 | R$ 3.6056 |
| May 06 2026 | R$ 3.6163 | R$ 3.6175 |
| May 05 2026 | R$ 3.6174 | R$ 3.6189 |
| May 04 2026 | R$ 3.6424 | R$ 3.6432 |
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.