| Date | Bid | Offer |
|---|---|---|
| Dec 31 2015 | R$ 3.9258 | R$ 3.9284 |
| Dec 30 2015 | R$ 3.9397 | R$ 3.9434 |
| Dec 29 2015 | R$ 3.8800 | R$ 3.8830 |
| Dec 28 2015 | R$ 3.9648 | R$ 3.9658 |
| Dec 24 2015 | R$ 4.0007 | R$ 4.0057 |
| Dec 23 2015 | R$ 3.9921 | R$ 3.9960 |
| Dec 22 2015 | R$ 4.0235 | R$ 4.0253 |
| Dec 21 2015 | R$ 4.0106 | R$ 4.0132 |
| Dec 18 2015 | R$ 3.9252 | R$ 3.9274 |
| Dec 17 2015 | R$ 3.9099 | R$ 3.9117 |
| Dec 16 2015 | R$ 3.9861 | R$ 3.9883 |
| Dec 15 2015 | R$ 3.9199 | R$ 3.9217 |
| Dec 14 2015 | R$ 3.9684 | R$ 3.9706 |
| Dec 11 2015 | R$ 3.9219 | R$ 3.9259 |
| Dec 10 2015 | R$ 3.8187 | R$ 3.8212 |
| Dec 09 2015 | R$ 3.8029 | R$ 3.8048 |
| Dec 08 2015 | R$ 3.8125 | R$ 3.8146 |
| Dec 07 2015 | R$ 3.7395 | R$ 3.7412 |
| Dec 04 2015 | R$ 3.7663 | R$ 3.7707 |
| Dec 03 2015 | R$ 3.7681 | R$ 3.7706 |
| Dec 02 2015 | R$ 3.7457 | R$ 3.7481 |
| Dec 01 2015 | R$ 3.7669 | R$ 3.7682 |
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