| Date | Bid | Offer |
|---|---|---|
| May 31 2011 | R$ 2.5975 | R$ 2.5991 |
| May 30 2011 | R$ 2.6263 | R$ 2.6281 |
| May 27 2011 | R$ 2.6413 | R$ 2.6429 |
| May 26 2011 | R$ 2.6529 | R$ 2.6545 |
| May 25 2011 | R$ 2.6527 | R$ 2.6543 |
| May 24 2011 | R$ 2.6312 | R$ 2.6328 |
| May 23 2011 | R$ 2.6306 | R$ 2.6322 |
| May 20 2011 | R$ 2.6287 | R$ 2.6304 |
| May 19 2011 | R$ 2.6202 | R$ 2.6218 |
| May 18 2011 | R$ 2.6108 | R$ 2.6124 |
| May 17 2011 | R$ 2.6448 | R$ 2.6465 |
| May 16 2011 | R$ 2.6439 | R$ 2.6455 |
| May 13 2011 | R$ 2.6411 | R$ 2.6427 |
| May 12 2011 | R$ 2.6374 | R$ 2.6388 |
| May 11 2011 | R$ 2.6451 | R$ 2.6467 |
| May 10 2011 | R$ 2.6274 | R$ 2.6290 |
| May 09 2011 | R$ 2.6532 | R$ 2.6549 |
| May 06 2011 | R$ 2.6378 | R$ 2.6395 |
| May 05 2011 | R$ 2.6521 | R$ 2.6538 |
| May 04 2011 | R$ 2.6446 | R$ 2.6462 |
| May 03 2011 | R$ 2.6166 | R$ 2.6182 |
| May 02 2011 | R$ 2.6232 | R$ 2.6250 |
Source: Brazilian Central Bank
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