| WELKOM, Inloggen | Registreren |
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| CIENA Corp. CIEN | US1717793095 NASDAQ | 12,25 USD (6,66%) Hoogste 12m: 27,27 USD Laagste 12m: 9,89 USD |
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| 1 maand | 3 maanden | 6 maanden | 1 jaar | |
| Evolutie | -25,18 % | -32,44 % | -6,55 % | -56,26 % |
| Hoogste koers | 16,180 USD | 16,980 USD | 17,390 USD | 27,270 USD |
| Laagste koers | 11,445 USD | 11,445 USD | 10,300 USD | 9,890 USD |
| Datum | Open | Hoog | Laag | Slot | Volume |
| 2012-05-21 | 11,600 | 12,470 | 11,570 | 12,250 | 5.153.939 |
| 2012-05-18 | 11,830 | 11,960 | 11,445 | 11,485 | 3.567.496 |
| 2012-05-17 | 12,380 | 12,590 | 11,760 | 11,770 | 4.466.543 |
| 2012-05-16 | 13,130 | 13,230 | 12,330 | 12,390 | 6.161.714 |
| 2012-05-15 | 13,400 | 13,650 | 12,950 | 13,050 | 5.598.245 |
| 2012-05-14 | 12,930 | 13,420 | 12,900 | 13,265 | 7.771.353 |
| 2012-05-11 | 11,970 | 13,360 | 11,930 | 13,100 | 11.510.344 |
| 2012-05-10 | 12,550 | 12,600 | 11,845 | 12,060 | 7.219.424 |
| 2012-05-09 | 12,560 | 12,580 | 12,070 | 12,420 | 7.175.541 |
| 2012-05-08 | 13,130 | 13,220 | 12,460 | 12,700 | 5.904.537 |
| 2012-05-07 | 13,250 | 13,510 | 13,070 | 13,310 | 5.112.936 |
| 2012-05-04 | 13,870 | 13,920 | 13,250 | 13,300 | 6.610.464 |
| 2012-05-03 | 14,260 | 14,510 | 13,920 | 13,980 | 5.389.620 |
| 2012-05-02 | 14,610 | 14,640 | 14,240 | 14,300 | 4.095.084 |
| 2012-05-01 | 14,920 | 15,090 | 14,650 | 14,720 | 4.445.635 |
| 2012-04-30 | 15,090 | 15,110 | 14,660 | 14,820 | 3.667.953 |
| 2012-04-27 | 15,490 | 15,520 | 15,050 | 15,090 | 4.226.337 |
| 2012-04-26 | 15,610 | 15,720 | 15,340 | 15,380 | 4.263.612 |
| 2012-04-25 | 16,020 | 16,180 | 15,500 | 15,660 | 4.254.291 |
| 2012-04-24 | 15,340 | 15,800 | 15,200 | 15,680 | 6.404.259 |