| Date | Bid | Offer |
|---|---|---|
| Dec 30 2016 | R$ 4.0343 | R$ 4.0364 |
| Dec 29 2016 | R$ 3.9848 | R$ 3.9865 |
| Dec 28 2016 | R$ 3.9984 | R$ 4.0001 |
| Dec 27 2016 | R$ 4.0183 | R$ 4.0200 |
| Dec 26 2016 | R$ 4.0182 | R$ 4.0193 |
| Dec 23 2016 | R$ 4.0019 | R$ 4.0033 |
| Dec 22 2016 | R$ 4.1027 | R$ 4.1048 |
| Dec 21 2016 | R$ 4.1228 | R$ 4.1252 |
| Dec 20 2016 | R$ 4.1367 | R$ 4.1395 |
| Dec 19 2016 | R$ 4.1813 | R$ 4.1834 |
| Dec 16 2016 | R$ 4.1859 | R$ 4.1870 |
| Dec 15 2016 | R$ 4.2202 | R$ 4.2227 |
| Dec 14 2016 | R$ 4.2033 | R$ 4.2047 |
| Dec 13 2016 | R$ 4.2401 | R$ 4.2418 |
| Dec 12 2016 | R$ 4.2646 | R$ 4.2664 |
| Dec 09 2016 | R$ 4.2589 | R$ 4.2604 |
| Dec 08 2016 | R$ 4.2829 | R$ 4.2840 |
| Dec 07 2016 | R$ 4.2656 | R$ 4.2677 |
| Dec 06 2016 | R$ 4.3691 | R$ 4.3712 |
| Dec 05 2016 | R$ 4.3956 | R$ 4.4002 |
| Dec 02 2016 | R$ 4.3814 | R$ 4.3832 |
| Dec 01 2016 | R$ 4.3337 | R$ 4.3372 |
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