| Date | Bid | Offer |
|---|---|---|
| Feb 29 2012 | R$ 1.8460 | R$ 1.8468 |
| Feb 28 2012 | R$ 1.8303 | R$ 1.8313 |
| Feb 27 2012 | R$ 1.8331 | R$ 1.8339 |
| Feb 24 2012 | R$ 1.8313 | R$ 1.8322 |
| Feb 23 2012 | R$ 1.8178 | R$ 1.8187 |
| Feb 22 2012 | R$ 1.8148 | R$ 1.8157 |
| Feb 17 2012 | R$ 1.8384 | R$ 1.8394 |
| Feb 16 2012 | R$ 1.8560 | R$ 1.8570 |
| Feb 15 2012 | R$ 1.8418 | R$ 1.8428 |
| Feb 14 2012 | R$ 1.8365 | R$ 1.8373 |
| Feb 13 2012 | R$ 1.8420 | R$ 1.8431 |
| Feb 10 2012 | R$ 1.8400 | R$ 1.8408 |
| Feb 09 2012 | R$ 1.8629 | R$ 1.8637 |
| Feb 08 2012 | R$ 1.8600 | R$ 1.8608 |
| Feb 07 2012 | R$ 1.8630 | R$ 1.8638 |
| Feb 06 2012 | R$ 1.8490 | R$ 1.8498 |
| Feb 03 2012 | R$ 1.8495 | R$ 1.8504 |
| Feb 02 2012 | R$ 1.8569 | R$ 1.8577 |
| Feb 01 2012 | R$ 1.8602 | R$ 1.8611 |
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.
Data available from Dec 05 1984 until Feb 27 2026