| Date | Bid | Offer |
|---|---|---|
| May 30 1997 | R$ 1.7567 | R$ 1.7608 |
| May 28 1997 | R$ 1.7589 | R$ 1.7631 |
| May 27 1997 | R$ 1.7497 | R$ 1.7538 |
| May 26 1997 | R$ 1.7568 | R$ 1.7610 |
| May 23 1997 | R$ 1.7498 | R$ 1.7539 |
| May 22 1997 | R$ 1.7352 | R$ 1.7393 |
| May 21 1997 | R$ 1.7567 | R$ 1.7608 |
| May 20 1997 | R$ 1.7665 | R$ 1.7706 |
| May 19 1997 | R$ 1.7499 | R$ 1.7540 |
| May 16 1997 | R$ 1.7451 | R$ 1.7492 |
| May 15 1997 | R$ 1.7522 | R$ 1.7563 |
| May 14 1997 | R$ 1.7573 | R$ 1.7614 |
| May 13 1997 | R$ 1.7413 | R$ 1.7454 |
| May 12 1997 | R$ 1.7308 | R$ 1.7349 |
| May 09 1997 | R$ 1.7285 | R$ 1.7326 |
| May 08 1997 | R$ 1.7233 | R$ 1.7274 |
| May 07 1997 | R$ 1.7210 | R$ 1.7250 |
| May 06 1997 | R$ 1.7373 | R$ 1.7414 |
| May 05 1997 | R$ 1.7264 | R$ 1.7305 |
| May 02 1997 | R$ 1.7247 | R$ 1.7288 |
Source: Brazilian Central Bank
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