| Date | Bid | Offer |
|---|---|---|
| Jul 31 2008 | R$ 3.1039 | R$ 3.1059 |
| Jul 30 2008 | R$ 3.0966 | R$ 3.0988 |
| Jul 29 2008 | R$ 3.1101 | R$ 3.1125 |
| Jul 28 2008 | R$ 3.1405 | R$ 3.1425 |
| Jul 25 2008 | R$ 3.1319 | R$ 3.1337 |
| Jul 24 2008 | R$ 3.1308 | R$ 3.1328 |
| Jul 23 2008 | R$ 3.1621 | R$ 3.1639 |
| Jul 22 2008 | R$ 3.1465 | R$ 3.1491 |
| Jul 21 2008 | R$ 3.1604 | R$ 3.1627 |
| Jul 18 2008 | R$ 3.1819 | R$ 3.1843 |
| Jul 17 2008 | R$ 3.1797 | R$ 3.1820 |
| Jul 16 2008 | R$ 3.1879 | R$ 3.1901 |
| Jul 15 2008 | R$ 3.1831 | R$ 3.1852 |
| Jul 14 2008 | R$ 3.1780 | R$ 3.1803 |
| Jul 11 2008 | R$ 3.1849 | R$ 3.1873 |
| Jul 10 2008 | R$ 3.1903 | R$ 3.1921 |
| Jul 09 2008 | R$ 3.1859 | R$ 3.1881 |
| Jul 08 2008 | R$ 3.1543 | R$ 3.1565 |
| Jul 07 2008 | R$ 3.1692 | R$ 3.1710 |
| Jul 04 2008 | R$ 3.1890 | R$ 3.1920 |
| Jul 03 2008 | R$ 3.1884 | R$ 3.1904 |
| Jul 02 2008 | R$ 3.1867 | R$ 3.1886 |
| Jul 01 2008 | R$ 3.2010 | R$ 3.2031 |
Source: Brazilian Central Bank
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