| Date | Bid | Offer |
|---|---|---|
| Jul 31 2006 | R$ 4.0639 | R$ 4.0660 |
| Jul 28 2006 | R$ 4.0620 | R$ 4.0642 |
| Jul 27 2006 | R$ 4.0665 | R$ 4.0688 |
| Jul 26 2006 | R$ 4.0704 | R$ 4.0730 |
| Jul 25 2006 | R$ 4.0452 | R$ 4.0474 |
| Jul 24 2006 | R$ 4.0530 | R$ 4.0556 |
| Jul 21 2006 | R$ 4.0756 | R$ 4.0779 |
| Jul 20 2006 | R$ 4.0471 | R$ 4.0497 |
| Jul 19 2006 | R$ 4.0183 | R$ 4.0207 |
| Jul 18 2006 | R$ 4.0099 | R$ 4.0122 |
| Jul 17 2006 | R$ 4.0222 | R$ 4.0245 |
| Jul 14 2006 | R$ 4.0667 | R$ 4.0688 |
| Jul 13 2006 | R$ 4.0731 | R$ 4.0757 |
| Jul 12 2006 | R$ 4.0160 | R$ 4.0181 |
| Jul 11 2006 | R$ 4.0352 | R$ 4.0378 |
| Jul 10 2006 | R$ 4.0044 | R$ 4.0070 |
| Jul 07 2006 | R$ 4.0281 | R$ 4.0307 |
| Jul 06 2006 | R$ 4.0101 | R$ 4.0120 |
| Jul 05 2006 | R$ 4.0273 | R$ 4.0298 |
| Jul 04 2006 | R$ 3.9961 | R$ 3.9985 |
| Jul 03 2006 | R$ 3.9967 | R$ 3.9993 |
Source: Brazilian Central Bank
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