| Date | Bid | Offer |
|---|---|---|
| Oct 31 2013 | R$ 3.5340 | R$ 3.5354 |
| Oct 30 2013 | R$ 3.5147 | R$ 3.5161 |
| Oct 29 2013 | R$ 3.5062 | R$ 3.5076 |
| Oct 28 2013 | R$ 3.5291 | R$ 3.5308 |
| Oct 25 2013 | R$ 3.5308 | R$ 3.5324 |
| Oct 24 2013 | R$ 3.5560 | R$ 3.5574 |
| Oct 23 2013 | R$ 3.5278 | R$ 3.5293 |
| Oct 22 2013 | R$ 3.5265 | R$ 3.5284 |
| Oct 21 2013 | R$ 3.5115 | R$ 3.5129 |
| Oct 18 2013 | R$ 3.4969 | R$ 3.4983 |
| Oct 17 2013 | R$ 3.4918 | R$ 3.4939 |
| Oct 16 2013 | R$ 3.4387 | R$ 3.4399 |
| Oct 15 2013 | R$ 3.4836 | R$ 3.4850 |
| Oct 14 2013 | R$ 3.4889 | R$ 3.4903 |
| Oct 11 2013 | R$ 3.4780 | R$ 3.4794 |
| Oct 10 2013 | R$ 3.4887 | R$ 3.4908 |
| Oct 09 2013 | R$ 3.5149 | R$ 3.5163 |
| Oct 08 2013 | R$ 3.5410 | R$ 3.5426 |
| Oct 07 2013 | R$ 3.5504 | R$ 3.5523 |
| Oct 04 2013 | R$ 3.5413 | R$ 3.5434 |
| Oct 03 2013 | R$ 3.5665 | R$ 3.5681 |
| Oct 02 2013 | R$ 3.5819 | R$ 3.5838 |
| Oct 01 2013 | R$ 3.5842 | R$ 3.5861 |
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