Dados Históricos: IBERDROLA
| 31/03/2008 | 9,820 | -2,87% | 10,100 | 9,790 | 10,030 |
| 28/03/2008 | 10,110 | -2,13% | 10,380 | 10,080 | 10,370 |
| 27/03/2008 | 10,330 | -0,77% | 10,520 | 10,300 | 10,310 |
| 26/03/2008 | 10,410 | -0,86% | 10,500 | 10,340 | 10,430 |
| 25/03/2008 | 10,500 | 3,24% | 10,640 | 10,410 | 10,640 |
| 20/03/2008 | 10,170 | 0 | 10,290 | 10,070 | 10,070 |
| 19/03/2008 | 10,170 | -2,31% | 10,500 | 10,050 | 10,480 |
| 18/03/2008 | 10,410 | 2,16% | 10,460 | 10,230 | 10,400 |
| 17/03/2008 | 10,190 | -2,58% | 10,450 | 10,120 | 10,120 |
| 14/03/2008 | 10,460 | -1,69% | 10,660 | 10,300 | 10,590 |
| 13/03/2008 | 10,640 | 0,47% | 10,840 | 10,180 | 10,250 |
| 11/03/2008 | 10,590 | 5,48% | 10,700 | 10,200 | 10,270 |
| 10/03/2008 | 10,040 | 1,21% | 10,280 | 9,910 | 10,150 |
| 07/03/2008 | 9,920 | -0,60% | 10,210 | 9,830 | 9,960 |
| 06/03/2008 | 9,980 | 1,73% | 10,290 | 9,820 | 9,890 |
| 05/03/2008 | 9,810 | 3,48% | 9,870 | 9,520 | 9,550 |
| 04/03/2008 | 9,480 | 1,50% | 9,720 | 9,400 | 9,430 |
| 03/03/2008 | 9,340 | -2,71% | 9,490 | 9,300 | 9,480 |
| 29/02/2008 | 9,600 | -0,83% | 9,740 | 9,520 | 9,580 |
| 28/02/2008 | 9,680 | -1,63% | 9,850 | 9,640 | 9,760 |
| 27/02/2008 | 9,840 | -0,10% | 9,880 | 9,660 | 9,830 |
| 26/02/2008 | 9,850 | 1,97% | 9,930 | 9,610 | 9,690 |
