| Date | Bid | Offer |
|---|---|---|
| May 31 2024 | R$ 3.4790 | R$ 3.4804 |
| May 29 2024 | R$ 3.4386 | R$ 3.4400 |
| May 28 2024 | R$ 3.4341 | R$ 3.4355 |
| May 27 2024 | R$ 3.4410 | R$ 3.4430 |
| May 24 2024 | R$ 3.4125 | R$ 3.4140 |
| May 23 2024 | R$ 3.4092 | R$ 3.4102 |
| May 22 2024 | R$ 3.4152 | R$ 3.4182 |
| May 21 2024 | R$ 3.4012 | R$ 3.4021 |
| May 20 2024 | R$ 3.4085 | R$ 3.4109 |
| May 17 2024 | R$ 3.4179 | R$ 3.4193 |
| May 16 2024 | R$ 3.4255 | R$ 3.4264 |
| May 15 2024 | R$ 3.4300 | R$ 3.4315 |
| May 14 2024 | R$ 3.4004 | R$ 3.4013 |
| May 13 2024 | R$ 3.3969 | R$ 3.3994 |
| May 10 2024 | R$ 3.3988 | R$ 3.4002 |
| May 09 2024 | R$ 3.4057 | R$ 3.4067 |
| May 08 2024 | R$ 3.3495 | R$ 3.3504 |
| May 07 2024 | R$ 3.3429 | R$ 3.3443 |
| May 06 2024 | R$ 3.3577 | R$ 3.3602 |
| May 03 2024 | R$ 3.3493 | R$ 3.3522 |
| May 02 2024 | R$ 3.3496 | R$ 3.3510 |
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.