Mayıs 2011 Erbosan Erciyas Boru Sanayi ve Ticaret A.S. fiyatları
| Tarih | Açılış | Yüksek | Düşük | Kapanış | Değişim |
|---|---|---|---|---|---|
| 31.05.2011 | 6,2770 | 6,3292 | 6,1857 | 6,2770 | %1,26 |
| 30.05.2011 | 6,1988 | 6,4206 | 6,1596 | 6,1988 | %-0,63 |
| 27.05.2011 | 6,2379 | 6,5250 | 6,2118 | 6,2379 | %-4,02 |
| 26.05.2011 | 6,4989 | 6,6816 | 6,4467 | 6,4989 | %-0,80 |
| 25.05.2011 | 6,5511 | 6,7077 | 6,5250 | 6,5511 | %-1,57 |
| 24.05.2011 | 6,6555 | 6,7860 | 6,5250 | 6,6555 | %0,00 |
| 23.05.2011 | 6,6555 | 7,1775 | 6,3945 | 6,6555 | %-5,56 |
| 20.05.2011 | 7,0470 | 7,2297 | 6,7077 | 7,0470 | %6,30 |
| 19.05.2011 | 6,6294 | 6,6294 | 6,6294 | 6,6294 | %0,00 |
| 18.05.2011 | 6,6294 | 6,8643 | 6,3945 | 6,6294 | %4,31 |
| 17.05.2011 | 6,3554 | 6,4728 | 6,3292 | 6,3554 | %-0,81 |
| 16.05.2011 | 6,4076 | 6,7599 | 6,3423 | 6,4076 | %-6,30 |
| 13.05.2011 | 6,8382 | 7,1775 | 6,7077 | 6,8382 | %-4,03 |
| 12.05.2011 | 7,1253 | 7,4124 | 7,0992 | 7,1253 | %-1,09 |
| 11.05.2011 | 7,2036 | 7,4646 | 7,0731 | 7,2036 | %1,85 |
| 10.05.2011 | 7,0731 | 7,2819 | 6,5772 | 7,0731 | %6,27 |
| 09.05.2011 | 6,6555 | 6,8382 | 6,5511 | 6,6555 | %1,80 |
| 06.05.2011 | 6,5380 | 6,6555 | 6,3423 | 6,5380 | %2,66 |
| 05.05.2011 | 6,3684 | 6,5772 | 6,3423 | 6,3684 | %0,41 |
| 04.05.2011 | 6,3423 | 6,5380 | 6,3162 | 6,3423 | %-1,22 |
| 03.05.2011 | 6,4206 | 6,6555 | 6,3945 | 6,4206 | %-1,60 |
| 02.05.2011 | 6,5250 | 6,7338 | 6,4206 | 6,5250 | %-3,47 |