Corero Network Security plc (CNS.L) LSE
Currency In GBp
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CNS.L Historical Return
If you invested 1000 GBp in Corero Network Security plc (CNS.L) 10 years ago, it would be worth 1,472.5 GBp as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 GBp investment made 5 years ago would be worth 1,376.17 GBp, while 1000 GBp invested 1 year ago would be worth 1,591.89 GBp. This corresponds to total returns of 47.25%, 37.62%, 59.19%, respectively, with annualized returns of 3.94%, 6.6%, 59.19%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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CNS.L Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 22, 2026 | 15.25 | 15 | 15 | 15.5 | 14.5 | 2.1M |
| October 21, 2026 | 15.75 | 15.25 | 15.25 | 16 | 15 | 631,436 |
| October 20, 2026 | 17 | 16 | 16 | 17.5 | 15.75 | 1M |
| October 19, 2026 | 15.25 | 16.75 | 16.75 | 17 | 15 | 1.71M |
| October 16, 2026 | 15.25 | 15.25 | 15.25 | 15.5 | 14.5 | 607,745 |
| October 15, 2026 | 14.46 | 14.88 | 14.88 | 15.5 | 14 | 2.19M |
| October 14, 2026 | 12.9 | 14.25 | 14.25 | 14.7 | 12 | 3.67M |
| October 13, 2026 | 11.5 | 12 | 12 | 12.5 | 11 | 1.32M |
| October 12, 2026 | 11.5 | 11.5 | 11.5 | 12 | 11 | 921,803 |
| October 09, 2026 | 11.25 | 11.5 | 11.5 | 12 | 11 | 811,208 |
| October 08, 2026 | 11 | 11.25 | 11.25 | 11.5 | 10.75 | 376,844 |
| October 07, 2026 | 11 | 11 | 11 | 12 | 10.75 | 474,093 |
| October 06, 2026 | 11.5 | 11.5 | 11.5 | 12 | 11 | 305,125 |
| October 05, 2026 | 11.17 | 11.5 | 11.5 | 12 | 11.17 | 67,163 |
| October 02, 2026 | 10.75 | 11.5 | 11.5 | 11.85 | 10 | 1.38M |
| October 01, 2026 | 11.25 | 10.75 | 10.75 | 11.5 | 10.5 | 276,976 |
| September 30, 2026 | 11.63 | 11.25 | 11.25 | 12 | 11 | 595,678 |
| September 29, 2026 | 11.63 | 11.63 | 11.63 | 12 | 11.25 | 283,322 |
| September 28, 2026 | 12.5 | 11.63 | 11.63 | 13 | 11.25 | 872,221 |
| September 25, 2026 | 12.5 | 12.5 | 12.5 | 13 | 12 | 130,639 |
| September 24, 2026 | 12.55 | 12.5 | 12.5 | 13 | 12 | 151,468 |
| September 23, 2026 | 12.75 | 12.55 | 12.55 | 13 | 12.11 | 464,027 |
| September 22, 2026 | 12.88 | 12.75 | 12.75 | 13.5 | 12.46 | 863,152 |
| September 21, 2026 | 13 | 12.88 | 12.88 | 13.25 | 12.25 | 714,765 |
| September 18, 2026 | 13 | 12.55 | 12.55 | 13.5 | 12.11 | 938,781 |
| September 17, 2026 | 12.5 | 13 | 13 | 13.5 | 11.5 | 355,544 |
| September 16, 2026 | 12.88 | 12 | 12 | 13.25 | 11.5 | 586,212 |
| September 15, 2026 | 12.5 | 12.88 | 12.88 | 13.5 | 12 | 5.95M |
| September 11, 2026 | 10.25 | 11.63 | 11.63 | 12 | 10 | 1.8M |
| September 10, 2026 | 10.25 | 10.25 | 10.25 | 10.5 | 9.5 | 1.51M |
| September 09, 2026 | 9.9 | 10.25 | 10.25 | 10.9 | 8.5 | 5.7M |
| September 08, 2026 | 8.25 | 8.5 | 8.5 | 9 | 8 | 1.08M |
| September 07, 2026 | 8.5 | 8.25 | 8.25 | 8.5 | 8 | 415,877 |
| September 04, 2026 | 8.25 | 8.25 | 8.25 | 8.5 | 8 | 222,639 |
| September 03, 2026 | 8 | 8.25 | 8.25 | 8.5 | 7.5 | 957,851 |
| September 02, 2026 | 8 | 8 | 8 | 8.5 | 7.5 | 2.27M |
| September 01, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7 | 165,376 |
| August 28, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7 | 46,706 |
| August 27, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7.1 | 224,281 |
| August 26, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7.22 | 286,454 |
| August 25, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7.25 | 35,101 |
| August 24, 2026 | 7.25 | 7.25 | 7.25 | 7.49 | 7.25 | 112,811 |
| August 21, 2026 | 7.5 | 7.25 | 7.25 | 7.5 | 7 | 358,299 |
| August 20, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7 | 307,782 |
| August 19, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7 | 197,931 |
| August 18, 2026 | 7.25 | 7.25 | 7.25 | 7.5 | 7 | 140,630 |
| August 17, 2026 | 7.7 | 7.25 | 7.25 | 8 | 7 | 1.76M |
| August 14, 2026 | 6.75 | 7.6 | 7.6 | 7.7 | 6.5 | 3.23M |
| August 13, 2026 | 8 | 6.6 | 6.6 | 8.5 | 6.5 | 3.17M |
| August 12, 2026 | 8.25 | 8 | 8 | 8.5 | 7.6 | 552,254 |
| August 11, 2026 | 8.75 | 8.25 | 8.25 | 9 | 8 | 445,175 |
| August 10, 2026 | 8.75 | 8.75 | 8.75 | 9 | 8.75 | 73,257 |
| August 07, 2026 | 8.75 | 8.75 | 8.75 | 9 | 8.5 | 399,224 |
| August 06, 2026 | 8.75 | 8.75 | 8.75 | 10.4 | 8.6 | 2.41M |
| August 05, 2026 | 8.25 | 8.25 | 8.25 | 8.5 | 8 | 285,060 |
| August 04, 2026 | 8.25 | 8.25 | 8.25 | 8.44 | 8.1 | 100,811 |
| August 03, 2026 | 8.5 | 8.25 | 8.25 | 8.5 | 8.22 | 34,042 |
| July 31, 2026 | 8.5 | 8.25 | 8.25 | 9 | 8.25 | 146,735 |
| July 30, 2026 | 8.5 | 8.5 | 8.5 | 9 | 8.38 | 11,334 |
| July 29, 2026 | 9 | 8.5 | 8.5 | 9 | 8 | 3,033 |
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