| Date | Bid | Offer |
|---|---|---|
| Jan 31 2012 | R$ 1.8498 | R$ 1.8506 |
| Jan 30 2012 | R$ 1.8479 | R$ 1.8488 |
| Jan 27 2012 | R$ 1.8537 | R$ 1.8547 |
| Jan 26 2012 | R$ 1.8557 | R$ 1.8566 |
| Jan 25 2012 | R$ 1.8407 | R$ 1.8420 |
| Jan 24 2012 | R$ 1.8423 | R$ 1.8431 |
| Jan 23 2012 | R$ 1.8509 | R$ 1.8520 |
| Jan 20 2012 | R$ 1.8480 | R$ 1.8490 |
| Jan 19 2012 | R$ 1.8362 | R$ 1.8370 |
| Jan 18 2012 | R$ 1.8464 | R$ 1.8472 |
| Jan 17 2012 | R$ 1.8446 | R$ 1.8456 |
| Jan 16 2012 | R$ 1.8402 | R$ 1.8410 |
| Jan 13 2012 | R$ 1.8356 | R$ 1.8365 |
| Jan 12 2012 | R$ 1.8487 | R$ 1.8498 |
| Jan 11 2012 | R$ 1.8539 | R$ 1.8548 |
| Jan 10 2012 | R$ 1.8631 | R$ 1.8639 |
| Jan 09 2012 | R$ 1.8839 | R$ 1.8848 |
| Jan 06 2012 | R$ 1.8829 | R$ 1.8838 |
| Jan 05 2012 | R$ 1.8819 | R$ 1.8827 |
| Jan 04 2012 | R$ 1.8886 | R$ 1.8897 |
| Jan 03 2012 | R$ 1.9103 | R$ 1.9112 |
| Jan 02 2012 | R$ 1.9078 | R$ 1.9092 |
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