| Date | Bid | Offer |
|---|---|---|
| Mar 30 2012 | R$ 1.8230 | R$ 1.8237 |
| Mar 29 2012 | R$ 1.8327 | R$ 1.8336 |
| Mar 28 2012 | R$ 1.8250 | R$ 1.8258 |
| Mar 27 2012 | R$ 1.8259 | R$ 1.8267 |
| Mar 26 2012 | R$ 1.8280 | R$ 1.8289 |
| Mar 23 2012 | R$ 1.8217 | R$ 1.8225 |
| Mar 22 2012 | R$ 1.8242 | R$ 1.8250 |
| Mar 21 2012 | R$ 1.8393 | R$ 1.8401 |
| Mar 20 2012 | R$ 1.8372 | R$ 1.8380 |
| Mar 19 2012 | R$ 1.8307 | R$ 1.8315 |
| Mar 16 2012 | R$ 1.8168 | R$ 1.8176 |
| Mar 15 2012 | R$ 1.8131 | R$ 1.8138 |
| Mar 14 2012 | R$ 1.8294 | R$ 1.8302 |
| Mar 13 2012 | R$ 1.8270 | R$ 1.8277 |
| Mar 12 2012 | R$ 1.8268 | R$ 1.8276 |
| Mar 09 2012 | R$ 1.7964 | R$ 1.7972 |
| Mar 08 2012 | R$ 1.7810 | R$ 1.7818 |
| Mar 07 2012 | R$ 1.7644 | R$ 1.7653 |
| Mar 06 2012 | R$ 1.7518 | R$ 1.7526 |
| Mar 05 2012 | R$ 1.7416 | R$ 1.7424 |
| Mar 02 2012 | R$ 1.7448 | R$ 1.7456 |
| Mar 01 2012 | R$ 1.7389 | R$ 1.7397 |
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