Corero Network Security (CNS) Stock Chart & Stock Price History GBX 10.53 -0.22 (-2.05%) As of 10/8/2025 11:19 AM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesBuy This Stock Corero Network Security Stock Price Performance The Corero Network Security (CNS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 53.20%, with a year-to-date return of -48.38%. In the past month, the stock has increased 10.67%, reflecting recent market activity. As of the latest close, Corero Network Security traded at GBX 10.53 with a market cap of £53.93 million and volume of 149,214 shares. Five years ago, the stock traded at GBX 10.70, representing a 1.59% decrease over that period. At the time, it had a market cap of £54.68 million and a volume of 469,310 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-7.22%1 Month Performance+10.67%3 Month Performance-30.31%Year-To-Date Performance-48.38%1 Year Performance-53.20%5 Year Performance-1.59% CNS Stock Chart for Thursday, October, 9, 2025 CNS Chart by TradingView Corero Network Security Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/08/2025GBX 10.56GBX 10.53-0.28%GBX 10.97GBX 10.50149,214 shs£53.93 million10/07/2025GBX 11GBX 10.56-4.00%GBX 11.92GBX 10.53241,261 shs£54.09 million10/06/2025GBX 11.35GBX 11-3.08%GBX 12GBX 1114.17 million shs£56.34 million10/03/2025GBX 11.50GBX 11.35-1.30%GBX 12GBX 11.15770,603 shs£58.13 million10/02/2025GBX 11.74GBX 11.50-2.04%GBX 12GBX 11.38295,961 shs£58.90 million10/01/2025GBX 11.74GBX 11.74GBX 12GBX 11.26219,630 shs£60.13 million09/30/2025GBX 10.68GBX 11.74+9.93%GBX 12GBX 10.50588,385 shs£60.13 million09/29/2025GBX 10.70GBX 10.68-0.19%GBX 11.50GBX 10.50138,713 shs£54.70 million09/26/2025GBX 10GBX 10.70+7.00%GBX 11.49GBX 101.25 million shs£54.80 million09/25/2025GBX 9.75GBX 10+2.56%GBX 10.50GBX 9.53752,732 shs£51.22 million Get the Latest News and Ratings for CNS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Corero Network Security and its competitors with MarketBeat's FREE daily newsletter. 09/24/2025GBX 10GBX 9.75-2.50%GBX 10GBX 9.61196,417 shs£49.94 million09/23/2025GBX 10GBX 10GBX 10GBX 9.35165,212 shs£51.22 million09/22/2025GBX 9.50GBX 10+5.26%GBX 10GBX 9269,862 shs£51.22 million09/19/2025GBX 9.13GBX 9.50+4.11%GBX 9.50GBX 9106,359 shs£48.66 million09/18/2025GBX 9.50GBX 9.13-3.95%GBX 9.50GBX 9.1374,889 shs£46.74 million09/17/2025GBX 9.40GBX 9.50+1.06%GBX 9.50GBX 9.10314,288 shs£48.66 million09/16/2025GBX 9.06GBX 9.40+3.75%GBX 9.50GBX 943,639 shs£48.14 million09/15/2025GBX 9.34GBX 9.06-3.00%GBX 9.50GBX 973,453 shs£46.40 million09/12/2025GBX 9.25GBX 9.34+0.97%GBX 9.50GBX 9.06198,993 shs£47.84 million09/11/2025GBX 10GBX 9.25-7.50%GBX 10GBX 9.11252,774 shs£47.38 million09/10/2025GBX 9.52GBX 10+5.10%GBX 10GBX 9.5211,842 shs£51.22 million09/09/2025GBX 9.50GBX 9.52+0.16%GBX 9.75GBX 9.5216,982 shs£48.73 million09/08/2025GBX 9.52GBX 9.50-0.16%GBX 9.95GBX 9.5095,791 shs£48.66 million Related Companies Beximco Pharmaceuticals Stock Price Chart Celtic Stock Price Chart Value and Indexed Property Income Stock Price Chart Pebble Beach Systems Group Stock Price Chart Amphion Innovations Stock Price Chart Worsley Investors Stock Price Chart EARNZ Stock Price Chart ENGAGE XR Stock Price Chart Moringa Acquisition Stock Price Chart Marechale Capital Stock Price Chart Receive CNS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Corero Network Security and its competitors with MarketBeat's FREE daily newsletter. 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