| Date | Bid | Offer |
|---|---|---|
| Jul 31 1997 | R$ 1.7753 | R$ 1.7795 |
| Jul 30 1997 | R$ 1.7632 | R$ 1.7674 |
| Jul 29 1997 | R$ 1.7625 | R$ 1.7667 |
| Jul 28 1997 | R$ 1.7664 | R$ 1.7706 |
| Jul 25 1997 | R$ 1.7994 | R$ 1.8036 |
| Jul 24 1997 | R$ 1.8101 | R$ 1.8143 |
| Jul 23 1997 | R$ 1.8166 | R$ 1.8208 |
| Jul 22 1997 | R$ 1.8159 | R$ 1.8201 |
| Jul 21 1997 | R$ 1.8152 | R$ 1.8195 |
| Jul 18 1997 | R$ 1.8143 | R$ 1.8185 |
| Jul 17 1997 | R$ 1.8075 | R$ 1.8117 |
| Jul 16 1997 | R$ 1.8129 | R$ 1.8172 |
| Jul 15 1997 | R$ 1.8135 | R$ 1.8177 |
| Jul 14 1997 | R$ 1.8244 | R$ 1.8287 |
| Jul 11 1997 | R$ 1.8245 | R$ 1.8288 |
| Jul 10 1997 | R$ 1.8214 | R$ 1.8256 |
| Jul 09 1997 | R$ 1.8203 | R$ 1.8246 |
| Jul 08 1997 | R$ 1.8196 | R$ 1.8239 |
| Jul 07 1997 | R$ 1.8206 | R$ 1.8249 |
| Jul 04 1997 | R$ 1.8162 | R$ 1.8204 |
| Jul 03 1997 | R$ 1.8212 | R$ 1.8254 |
| Jul 02 1997 | R$ 1.8044 | R$ 1.8086 |
| Jul 01 1997 | R$ 1.7849 | R$ 1.7891 |
Source: Brazilian Central Bank
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