| Date | Bid | Offer |
|---|---|---|
| Nov 29 2013 | R$ 3.7953 | R$ 3.7970 |
| Nov 28 2013 | R$ 3.7933 | R$ 3.7947 |
| Nov 27 2013 | R$ 3.7549 | R$ 3.7566 |
| Nov 26 2013 | R$ 3.7214 | R$ 3.7230 |
| Nov 25 2013 | R$ 3.6954 | R$ 3.6969 |
| Nov 22 2013 | R$ 3.7124 | R$ 3.7144 |
| Nov 21 2013 | R$ 3.7167 | R$ 3.7184 |
| Nov 20 2013 | R$ 3.6720 | R$ 3.6746 |
| Nov 19 2013 | R$ 3.6469 | R$ 3.6484 |
| Nov 18 2013 | R$ 3.6789 | R$ 3.6803 |
| Nov 14 2013 | R$ 3.7432 | R$ 3.7444 |
| Nov 13 2013 | R$ 3.7109 | R$ 3.7123 |
| Nov 12 2013 | R$ 3.7227 | R$ 3.7241 |
| Nov 11 2013 | R$ 3.6960 | R$ 3.6979 |
| Nov 08 2013 | R$ 3.7044 | R$ 3.7063 |
| Nov 07 2013 | R$ 3.6570 | R$ 3.6586 |
| Nov 06 2013 | R$ 3.6695 | R$ 3.6709 |
| Nov 05 2013 | R$ 3.6461 | R$ 3.6479 |
| Nov 04 2013 | R$ 3.5789 | R$ 3.5803 |
| Nov 01 2013 | R$ 3.5816 | R$ 3.5827 |
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