| Date | Bid | Offer |
|---|---|---|
| Oct 31 2012 | R$ 0.3531 | R$ 0.3532 |
| Oct 30 2012 | R$ 0.3530 | R$ 0.3531 |
| Oct 29 2012 | R$ 0.3510 | R$ 0.3511 |
| Oct 26 2012 | R$ 0.3512 | R$ 0.3513 |
| Oct 25 2012 | R$ 0.3519 | R$ 0.3520 |
| Oct 24 2012 | R$ 0.3522 | R$ 0.3523 |
| Oct 23 2012 | R$ 0.3525 | R$ 0.3526 |
| Oct 22 2012 | R$ 0.3550 | R$ 0.3551 |
| Oct 19 2012 | R$ 0.3538 | R$ 0.3539 |
| Oct 18 2012 | R$ 0.3566 | R$ 0.3567 |
| Oct 17 2012 | R$ 0.3579 | R$ 0.3580 |
| Oct 16 2012 | R$ 0.3555 | R$ 0.3556 |
| Oct 15 2012 | R$ 0.3537 | R$ 0.3538 |
| Oct 11 2012 | R$ 0.3531 | R$ 0.3532 |
| Oct 10 2012 | R$ 0.3520 | R$ 0.3521 |
| Oct 09 2012 | R$ 0.3510 | R$ 0.3511 |
| Oct 08 2012 | R$ 0.3534 | R$ 0.3535 |
| Oct 05 2012 | R$ 0.3545 | R$ 0.3546 |
| Oct 04 2012 | R$ 0.3525 | R$ 0.3526 |
| Oct 03 2012 | R$ 0.3508 | R$ 0.3509 |
| Oct 02 2012 | R$ 0.3519 | R$ 0.3520 |
| Oct 01 2012 | R$ 0.3504 | R$ 0.3505 |
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.
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Data available from Dec 05 1984 until Feb 27 2026