| Date | Bid | Offer |
|---|---|---|
| Nov 28 1997 | R$ 1.8727 | R$ 1.8771 |
| Nov 27 1997 | R$ 1.8540 | R$ 1.8583 |
| Nov 26 1997 | R$ 1.8563 | R$ 1.8606 |
| Nov 25 1997 | R$ 1.8585 | R$ 1.8628 |
| Nov 24 1997 | R$ 1.8734 | R$ 1.8778 |
| Nov 21 1997 | R$ 1.8766 | R$ 1.8809 |
| Nov 20 1997 | R$ 1.8692 | R$ 1.8735 |
| Nov 19 1997 | R$ 1.8702 | R$ 1.8745 |
| Nov 18 1997 | R$ 1.8701 | R$ 1.8744 |
| Nov 17 1997 | R$ 1.8728 | R$ 1.8771 |
| Nov 14 1997 | R$ 1.8739 | R$ 1.8776 |
| Nov 13 1997 | R$ 1.8776 | R$ 1.8820 |
| Nov 12 1997 | R$ 1.8851 | R$ 1.8895 |
| Nov 11 1997 | R$ 1.8824 | R$ 1.8867 |
| Nov 10 1997 | R$ 1.8730 | R$ 1.8773 |
| Nov 07 1997 | R$ 1.8727 | R$ 1.8770 |
| Nov 06 1997 | R$ 1.8678 | R$ 1.8722 |
| Nov 05 1997 | R$ 1.8518 | R$ 1.8561 |
| Nov 04 1997 | R$ 1.8604 | R$ 1.8648 |
| Nov 03 1997 | R$ 1.8474 | R$ 1.8517 |
Source: Brazilian Central Bank
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< October 1997 December 1997 >
Data available from Dec 05 1984 until Feb 27 2026