| Date | Bid | Offer |
|---|---|---|
| Dec 31 2012 | R$ 3.3019 | R$ 3.3031 |
| Dec 28 2012 | R$ 3.2958 | R$ 3.2970 |
| Dec 27 2012 | R$ 3.3089 | R$ 3.3103 |
| Dec 26 2012 | R$ 3.3250 | R$ 3.3262 |
| Dec 24 2012 | R$ 3.3580 | R$ 3.3594 |
| Dec 21 2012 | R$ 3.3627 | R$ 3.3640 |
| Dec 20 2012 | R$ 3.3567 | R$ 3.3578 |
| Dec 19 2012 | R$ 3.3832 | R$ 3.3844 |
| Dec 18 2012 | R$ 3.4006 | R$ 3.4019 |
| Dec 17 2012 | R$ 3.3866 | R$ 3.3878 |
| Dec 14 2012 | R$ 3.3580 | R$ 3.3592 |
| Dec 13 2012 | R$ 3.3449 | R$ 3.3461 |
| Dec 12 2012 | R$ 3.3532 | R$ 3.3544 |
| Dec 11 2012 | R$ 3.3405 | R$ 3.3417 |
| Dec 10 2012 | R$ 3.3476 | R$ 3.3487 |
| Dec 07 2012 | R$ 3.3300 | R$ 3.3311 |
| Dec 06 2012 | R$ 3.3538 | R$ 3.3548 |
| Dec 05 2012 | R$ 3.3877 | R$ 3.3888 |
| Dec 04 2012 | R$ 3.3945 | R$ 3.3957 |
| Dec 03 2012 | R$ 3.3942 | R$ 3.3956 |
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 Jan 28 2026