| Date | Bid | Offer |
|---|---|---|
| Apr 30 2007 | R$ 4.0656 | R$ 4.0682 |
| Apr 27 2007 | R$ 4.0578 | R$ 4.0599 |
| Apr 26 2007 | R$ 4.0308 | R$ 4.0332 |
| Apr 25 2007 | R$ 4.0494 | R$ 4.0521 |
| Apr 24 2007 | R$ 4.0762 | R$ 4.0788 |
| Apr 23 2007 | R$ 4.0580 | R$ 4.0600 |
| Apr 20 2007 | R$ 4.0585 | R$ 4.0607 |
| Apr 19 2007 | R$ 4.0651 | R$ 4.0673 |
| Apr 18 2007 | R$ 4.0844 | R$ 4.0866 |
| Apr 17 2007 | R$ 4.0824 | R$ 4.0851 |
| Apr 16 2007 | R$ 4.0459 | R$ 4.0485 |
| Apr 13 2007 | R$ 4.0159 | R$ 4.0183 |
| Apr 12 2007 | R$ 4.0298 | R$ 4.0322 |
| Apr 11 2007 | R$ 4.0148 | R$ 4.0172 |
| Apr 10 2007 | R$ 3.9956 | R$ 3.9982 |
| Apr 09 2007 | R$ 3.9676 | R$ 3.9698 |
| Apr 05 2007 | R$ 4.0052 | R$ 4.0078 |
| Apr 04 2007 | R$ 4.0111 | R$ 4.0134 |
| Apr 03 2007 | R$ 4.0195 | R$ 4.0216 |
| Apr 02 2007 | R$ 4.0475 | R$ 4.0501 |
Source: Brazilian Central Bank
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