| Date | Bid | Offer |
|---|---|---|
| May 31 2011 | R$ 0.0194 | R$ 0.0194 |
| May 30 2011 | R$ 0.0197 | R$ 0.0197 |
| May 27 2011 | R$ 0.0198 | R$ 0.0198 |
| May 26 2011 | R$ 0.0199 | R$ 0.0199 |
| May 25 2011 | R$ 0.0199 | R$ 0.0199 |
| May 24 2011 | R$ 0.0198 | R$ 0.0198 |
| May 23 2011 | R$ 0.0199 | R$ 0.0199 |
| May 20 2011 | R$ 0.0198 | R$ 0.0198 |
| May 19 2011 | R$ 0.0198 | R$ 0.0198 |
| May 18 2011 | R$ 0.0198 | R$ 0.0198 |
| May 17 2011 | R$ 0.0200 | R$ 0.0200 |
| May 16 2011 | R$ 0.0202 | R$ 0.0202 |
| May 13 2011 | R$ 0.0202 | R$ 0.0202 |
| May 12 2011 | R$ 0.0200 | R$ 0.0200 |
| May 11 2011 | R$ 0.0200 | R$ 0.0200 |
| May 10 2011 | R$ 0.0199 | R$ 0.0199 |
| May 09 2011 | R$ 0.0202 | R$ 0.0202 |
| May 06 2011 | R$ 0.0200 | R$ 0.0200 |
| May 05 2011 | R$ 0.0203 | R$ 0.0203 |
| May 04 2011 | R$ 0.0199 | R$ 0.0199 |
| May 03 2011 | R$ 0.0196 | R$ 0.0196 |
| May 02 2011 | R$ 0.0194 | R$ 0.0194 |
Source: Brazilian Central Bank
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