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 581.25 GBp as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 GBp investment made 5 years ago would be worth 1,107.14 GBp, while 1000 GBp invested 1 year ago would be worth 1,256.76 GBp. This corresponds to total returns of -41.87%, 10.71%, 25.68%, respectively, with annualized returns of -5.28%, 2.06%, 25.68%.
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 |
|---|---|---|---|---|---|---|
| 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 |
| July 28, 2026 | 8.38 | 8.5 | 8.5 | 9 | 8 | 40,444 |
| July 27, 2026 | 8.5 | 8.5 | 8.5 | 9 | 8 | 34,704 |
| July 24, 2026 | 8.5 | 8.5 | 8.5 | 9 | 8 | 236 |
| July 23, 2026 | 8.5 | 8.5 | 8.5 | 9 | 8.34 | 274,532 |
| July 22, 2026 | 8.25 | 8.5 | 8.5 | 9 | 8 | 811,104 |
| July 21, 2026 | 8.25 | 8.25 | 8.25 | 8.5 | 8 | 667,318 |
| July 20, 2026 | 8 | 7.5 | 7.5 | 8.5 | 7.5 | 152,256 |
| July 17, 2026 | 8.25 | 8.25 | 8.25 | 8.47 | 8.25 | 380,963 |
| July 16, 2026 | 9 | 8.35 | 8.35 | 9 | 8.35 | 357,721 |
| July 15, 2026 | 9.25 | 9 | 9 | 9.5 | 9 | 152,955 |
| July 14, 2026 | 9.25 | 9.25 | 9.25 | 9.5 | 9 | 62,608 |
| July 13, 2026 | 9.25 | 9.25 | 9.25 | 10 | 9 | 149,777 |
| July 10, 2026 | 9.25 | 9.25 | 9.25 | 9.5 | 9 | 97,124 |
| July 09, 2026 | 9.25 | 9.25 | 9.25 | 9.5 | 9.13 | 5,796 |
| July 08, 2026 | 9 | 9.25 | 9.25 | 10 | 9 | 317,878 |
| July 07, 2026 | 9.5 | 9.5 | 9.5 | 10 | 9 | 85,275 |
| July 06, 2026 | 9.25 | 9 | 9 | 10 | 9 | 173,072 |
| July 03, 2026 | 10.25 | 9 | 9 | 10.5 | 9 | 735,386 |
| July 02, 2026 | 10.75 | 10.25 | 10.25 | 11 | 10 | 196,616 |
| July 01, 2026 | 10.75 | 10.75 | 10.75 | 10.98 | 10.5 | 56,910 |
| June 30, 2026 | 10.75 | 10.75 | 10.75 | 10.98 | 10.5 | 896 |
| June 29, 2026 | 10.75 | 10.75 | 10.75 | 11 | 10.5 | 10,717 |
| June 26, 2026 | 10.75 | 10.75 | 10.75 | 11 | 10.5 | 25,861 |
| June 25, 2026 | 11 | 10.75 | 10.75 | 11 | 10.5 | 2,149 |
| June 24, 2026 | 10.75 | 10.75 | 10.75 | 10.98 | 10.5 | 1,105 |
| June 23, 2026 | 10.75 | 10.75 | 10.75 | 10.75 | 10.5 | 32,703 |
| June 22, 2026 | 10.75 | 10.75 | 10.75 | 11 | 10.5 | 34,246 |
| June 19, 2026 | 10.75 | 10.75 | 10.75 | 10.75 | 10.5 | 51,679 |
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