Corero Network Security plc (CNS.L) LSE

Currency In GBp

CNS.L Historical Return

If you invested 1000 GBp in Corero Network Security plc (CNS.L) 10 years ago, it would be worth 500 GBp as of July 13, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 GBp investment made 5 years ago would be worth 797.41 GBp, while 1000 GBp invested 1 year ago would be worth 627.12 GBp. This corresponds to total returns of -50%, -20.26%, -37.29%, respectively, with annualized returns of -6.69%, -4.42%, -37.29%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

CNS.L Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
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
June 18, 2026	11	10.75	10.75	11.5	10.5	220,653
June 17, 2026	10.75	10.5	10.5	11	10.5	205,005
June 16, 2026	11	10.75	10.75	11	10.5	71,261
June 15, 2026	11	11	11	11.5	10.5	202,243
June 12, 2026	11.25	11.25	11.25	11.5	11	17,368
June 11, 2026	11.25	11.1	11.1	11.5	11.08	180,589
June 10, 2026	11.25	11.25	11.25	11.5	11	118,640
June 09, 2026	11.25	11.25	11.25	11.5	11	10,573
June 08, 2026	11.25	11.25	11.25	11.5	11	119,287
June 05, 2026	11.25	11.25	11.25	11.5	11	116,743
June 04, 2026	10.75	11.25	11.25	11.5	10.5	184,814
June 03, 2026	10.5	10.75	10.75	11	10.5	208,387
June 02, 2026	10.75	10.75	10.75	11	10.5	38,662
June 01, 2026	11	10.75	10.75	11	10.5	93,854
May 29, 2026	10.75	10.75	10.75	11	10.5	26,809
May 28, 2026	10.5	10.75	10.75	11	10.5	13,060
May 27, 2026	11	10.75	10.75	11	10.6	75,111
May 26, 2026	10.75	10.75	10.75	11	10.6	52,078
May 22, 2026	10.75	10.75	10.75	11	10.5	74,536
May 21, 2026	10.75	10.75	10.75	11	10.5	76,778
May 20, 2026	11.5	10.75	10.75	11.5	10.75	166,787
May 19, 2026	11.75	11	11	12	10.5	683,826
May 18, 2026	11.53	11.75	11.75	12	11.5	64,093
May 15, 2026	11.75	12	12	12	11.5	116,947
May 14, 2026	12	11.75	11.75	12	11.5	73,681
May 13, 2026	11.75	11.75	11.75	12	11.5	116,477
May 12, 2026	12.13	11.75	11.75	12.24	11.5	219,145
May 11, 2026	12.25	12.13	12.13	12.5	11.75	120,669
May 08, 2026	12	12.25	12.25	12.5	12	55,366
May 07, 2026	12.25	12.25	12.25	12.5	12	53,442
May 06, 2026	12.25	12.25	12.25	12.5	12	57,731
May 05, 2026	12.5	12.25	12.25	13	11.63	145,392
May 01, 2026	12.5	12.5	12.5	13	12	57,682
April 30, 2026	12.5	12.5	12.5	13	12.1	158,732
April 29, 2026	13	12.5	12.5	13	12	61,983
April 28, 2026	12.75	12.75	12.75	13	12.5	46,242
April 27, 2026	12.75	12.75	12.75	12.85	12.5	49,172
April 24, 2026	12.75	12.75	12.75	13	12.5	98,397
April 23, 2026	12.75	12.75	12.75	13	12.53	17,887
April 22, 2026	12.75	12.75	12.75	12.95	12.75	15,564
April 21, 2026	13	12.75	12.75	13	12.1	305,783
April 20, 2026	12.5	12.75	12.75	13	12	226,702
April 17, 2026	12.5	12.5	12.5	13	12	106,395
April 16, 2026	12.5	12.5	12.5	13	12.26	64,279