| Date | Bid | Offer |
|---|---|---|
| Jun 30 2014 | R$ 3.7657 | R$ 3.7676 |
| Jun 27 2014 | R$ 3.7374 | R$ 3.7399 |
| Jun 26 2014 | R$ 3.7579 | R$ 3.7591 |
| Jun 25 2014 | R$ 3.7447 | R$ 3.7462 |
| Jun 24 2014 | R$ 3.7685 | R$ 3.7707 |
| Jun 23 2014 | R$ 3.7739 | R$ 3.7754 |
| Jun 20 2014 | R$ 3.8065 | R$ 3.8080 |
| Jun 18 2014 | R$ 3.8178 | R$ 3.8200 |
| Jun 17 2014 | R$ 3.8146 | R$ 3.8159 |
| Jun 16 2014 | R$ 3.7888 | R$ 3.7908 |
| Jun 13 2014 | R$ 3.7868 | R$ 3.7885 |
| Jun 12 2014 | R$ 3.7552 | R$ 3.7577 |
| Jun 11 2014 | R$ 3.7443 | R$ 3.7469 |
| Jun 10 2014 | R$ 3.7338 | R$ 3.7352 |
| Jun 09 2014 | R$ 3.7501 | R$ 3.7522 |
| Jun 06 2014 | R$ 3.7680 | R$ 3.7694 |
| Jun 05 2014 | R$ 3.8102 | R$ 3.8123 |
| Jun 04 2014 | R$ 3.8172 | R$ 3.8187 |
| Jun 03 2014 | R$ 3.7935 | R$ 3.7952 |
| Jun 02 2014 | R$ 3.7923 | R$ 3.7938 |
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.