Şubat 2011 Dogusan Boru Sanayii ve Ticaret A.S. fiyatları
| Tarih | Açılış | Yüksek | Düşük | Kapanış | Değişim |
|---|---|---|---|---|---|
| 28.02.2011 | 1,0077 | 1,0167 | 0,980750 | 1,0077 | %3,70 |
| 25.02.2011 | 0,971750 | 0,989740 | 0,953750 | 0,971750 | %2,86 |
| 24.02.2011 | 0,944760 | 1,0437 | 0,935760 | 0,944760 | %-10,26 |
| 23.02.2011 | 1,0527 | 1,1157 | 1,0347 | 1,0527 | %-2,50 |
| 22.02.2011 | 1,0797 | 1,0977 | 1,0707 | 1,0797 | %-2,44 |
| 21.02.2011 | 1,1067 | 1,1337 | 1,0977 | 1,1067 | %-1,60 |
| 18.02.2011 | 1,1247 | 1,1247 | 1,1067 | 1,1247 | %0,81 |
| 17.02.2011 | 1,1157 | 1,1337 | 1,1067 | 1,1157 | %-1,59 |
| 16.02.2011 | 1,1337 | 1,1337 | 1,1157 | 1,1337 | %1,61 |
| 15.02.2011 | 1,1157 | 1,1697 | 1,1157 | 1,1157 | %-0,80 |
| 14.02.2011 | 1,1247 | 1,1517 | 1,1157 | 1,1247 | %-1,57 |
| 11.02.2011 | 1,1427 | 1,1427 | 1,1157 | 1,1427 | %0,00 |
| 10.02.2011 | 1,1427 | 1,1877 | 1,1067 | 1,1427 | %1,60 |
| 09.02.2011 | 1,1247 | 1,1427 | 1,1157 | 1,1247 | %0,81 |
| 08.02.2011 | 1,1157 | 1,1517 | 1,0977 | 1,1157 | %0,00 |
| 07.02.2011 | 1,1157 | 1,1157 | 1,0977 | 1,1157 | %0,81 |
| 04.02.2011 | 1,1067 | 1,1067 | 1,0707 | 1,1067 | %2,50 |
| 03.02.2011 | 1,0797 | 1,1337 | 1,0797 | 1,0797 | %-3,23 |
| 02.02.2011 | 1,1157 | 1,1337 | 1,1067 | 1,1157 | %-0,80 |
| 01.02.2011 | 1,1247 | 1,1247 | 1,0977 | 1,1247 | %2,46 |