| Date | Bid | Offer |
|---|---|---|
| Nov 28 1997 | R$ 1.1090 | R$ 1.1098 |
| Nov 27 1997 | R$ 1.1081 | R$ 1.1089 |
| Nov 26 1997 | R$ 1.1096 | R$ 1.1104 |
| Nov 25 1997 | R$ 1.1096 | R$ 1.1104 |
| Nov 24 1997 | R$ 1.1089 | R$ 1.1097 |
| Nov 21 1997 | R$ 1.1086 | R$ 1.1094 |
| Nov 20 1997 | R$ 1.1073 | R$ 1.1081 |
| Nov 19 1997 | R$ 1.1073 | R$ 1.1081 |
| Nov 18 1997 | R$ 1.1058 | R$ 1.1066 |
| Nov 17 1997 | R$ 1.1059 | R$ 1.1067 |
| Nov 14 1997 | R$ 1.1074 | R$ 1.1082 |
| Nov 13 1997 | R$ 1.1062 | R$ 1.1070 |
| Nov 12 1997 | R$ 1.1056 | R$ 1.1064 |
| Nov 11 1997 | R$ 1.1042 | R$ 1.1050 |
| Nov 10 1997 | R$ 1.1045 | R$ 1.1053 |
| Nov 07 1997 | R$ 1.1074 | R$ 1.1082 |
| Nov 06 1997 | R$ 1.1061 | R$ 1.1069 |
| Nov 05 1997 | R$ 1.1033 | R$ 1.1041 |
| Nov 04 1997 | R$ 1.1033 | R$ 1.1041 |
| Nov 03 1997 | R$ 1.1022 | R$ 1.1030 |
Source: Brazilian Central Bank
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< October 1997 December 1997 >
Data available from Dec 03 1984 until Feb 27 2026