| Date | Bid | Offer |
|---|---|---|
| Nov 30 2011 | R$ 1.8623 | R$ 1.8634 |
| Nov 29 2011 | R$ 1.8519 | R$ 1.8530 |
| Nov 28 2011 | R$ 1.8517 | R$ 1.8525 |
| Nov 25 2011 | R$ 1.8449 | R$ 1.8458 |
| Nov 24 2011 | R$ 1.8124 | R$ 1.8136 |
| Nov 23 2011 | R$ 1.7877 | R$ 1.7888 |
| Nov 22 2011 | R$ 1.7802 | R$ 1.7812 |
| Nov 21 2011 | R$ 1.7773 | R$ 1.7785 |
| Nov 18 2011 | R$ 1.7801 | R$ 1.7810 |
| Nov 17 2011 | R$ 1.7866 | R$ 1.7878 |
| Nov 16 2011 | R$ 1.7991 | R$ 1.8001 |
| Nov 14 2011 | R$ 1.8009 | R$ 1.8018 |
| Nov 11 2011 | R$ 1.7924 | R$ 1.7935 |
| Nov 10 2011 | R$ 1.7862 | R$ 1.7871 |
| Nov 09 2011 | R$ 1.7846 | R$ 1.7854 |
| Nov 08 2011 | R$ 1.8079 | R$ 1.8090 |
| Nov 07 2011 | R$ 1.8170 | R$ 1.8180 |
| Nov 04 2011 | R$ 1.7988 | R$ 1.7997 |
| Nov 03 2011 | R$ 1.7864 | R$ 1.7874 |
| Nov 01 2011 | R$ 1.8069 | R$ 1.8078 |
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