| Date | Bid | Offer |
|---|---|---|
| Aug 31 2006 | R$ 2.1380 | R$ 2.1388 |
| Aug 30 2006 | R$ 2.1322 | R$ 2.1330 |
| Aug 29 2006 | R$ 2.1411 | R$ 2.1419 |
| Aug 28 2006 | R$ 2.1465 | R$ 2.1473 |
| Aug 25 2006 | R$ 2.1563 | R$ 2.1571 |
| Aug 24 2006 | R$ 2.1515 | R$ 2.1523 |
| Aug 23 2006 | R$ 2.1346 | R$ 2.1354 |
| Aug 22 2006 | R$ 2.1347 | R$ 2.1355 |
| Aug 21 2006 | R$ 2.1353 | R$ 2.1361 |
| Aug 18 2006 | R$ 2.1448 | R$ 2.1456 |
| Aug 17 2006 | R$ 2.1357 | R$ 2.1365 |
| Aug 16 2006 | R$ 2.1321 | R$ 2.1329 |
| Aug 15 2006 | R$ 2.1472 | R$ 2.1480 |
| Aug 14 2006 | R$ 2.1597 | R$ 2.1605 |
| Aug 11 2006 | R$ 2.1608 | R$ 2.1616 |
| Aug 10 2006 | R$ 2.1620 | R$ 2.1628 |
| Aug 09 2006 | R$ 2.1679 | R$ 2.1687 |
| Aug 08 2006 | R$ 2.1831 | R$ 2.1839 |
| Aug 07 2006 | R$ 2.1785 | R$ 2.1793 |
| Aug 04 2006 | R$ 2.1712 | R$ 2.1720 |
| Aug 03 2006 | R$ 2.1827 | R$ 2.1835 |
| Aug 02 2006 | R$ 2.1813 | R$ 2.1821 |
| Aug 01 2006 | R$ 2.1897 | R$ 2.1905 |
Source: Brazilian Central Bank
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Data available from Dec 03 1984 until Feb 27 2026