Corero Network Security (CNS) Stock Chart & Stock Price History GBX 9.58 -0.42 (-4.20%) As of 04:07 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 49.58%, with a year-to-date return of -53.04%. In the past month, the stock has decreased 3.72%, reflecting recent market activity. As of the latest close, Corero Network Security traded at GBX 10.50 with a market cap of £67.31 million and volume of 185,764 shares. Five years ago, the stock traded at GBX 8, representing a 19.75% increase over that period. At the time, it had a market cap of £39.59 million and a volume of 65,363 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.83%1 Month Performance-3.72%3 Month Performance-38.69%Year-To-Date Performance-53.04%1 Year Performance-49.58%5 Year Performance+19.75% CNS Stock Chart for Friday, August, 29, 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 Capitalization08/28/2025GBX 10.50GBX 10.50GBX 10.50GBX 9.50185,764 shs£67.31 million08/27/2025GBX 9.76GBX 10.50+7.64%GBX 10.50GBX 9.7639,389 shs£67.31 million08/26/2025GBX 9.66GBX 9.76+0.98%GBX 10.50GBX 9.76106,669 shs£62.53 million08/25/2025GBX 9.66GBX 9.66GBX 10.50GBX 9.5011,962 shs£61.92 million08/22/2025GBX 9.76GBX 9.66-0.97%GBX 10.50GBX 9.5011,962 shs£61.92 million08/21/2025GBX 10.10GBX 9.76-3.42%GBX 10GBX 9.76575 shs£62.53 million08/20/2025GBX 10.50GBX 10.10-3.81%GBX 10.10GBX 9.7654,937 shs£64.74 million08/19/2025GBX 9.76GBX 10.50+7.64%GBX 10.50GBX 9.7635,851 shs£67.31 million08/18/2025GBX 9.76GBX 9.76GBX 10.50GBX 9.7640,632 shs£62.53 million08/15/2025GBX 10.20GBX 9.76-4.36%GBX 10.50GBX 9.5087,597 shs£62.53 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. 08/14/2025GBX 9.99GBX 10.20+2.10%GBX 10.45GBX 9.84464,828 shs£65.38 million08/13/2025GBX 9.72GBX 9.99+2.83%GBX 10GBX 9.50133,054 shs£64.04 million08/12/2025GBX 9.84GBX 9.72-1.24%GBX 10GBX 9.65194,032 shs£62.28 million08/11/2025GBX 10GBX 9.84-1.63%GBX 10GBX 9.83105,840 shs£63.06 million08/08/2025GBX 9.98GBX 10+0.20%GBX 10GBX 9.53169,886 shs£64.10 million08/07/2025GBX 10GBX 9.98-0.20%GBX 9.98GBX 9.7521,472 shs£63.97 million08/06/2025GBX 9.74GBX 10+2.72%GBX 10GBX 9.73203,046 shs£64.10 million08/05/2025GBX 9.88GBX 9.74-1.42%GBX 10GBX 9.52193,141 shs£62.40 million08/04/2025GBX 9.99GBX 9.88-1.15%GBX 10GBX 9.83105,322 shs£63.30 million08/01/2025GBX 10GBX 9.99-0.10%GBX 10GBX 9.73220,768 shs£64.04 million07/31/2025GBX 10GBX 10+0.05%GBX 10GBX 9.52139,457 shs£64.10 million07/30/2025GBX 9.95GBX 10+0.45%GBX 10GBX 9.9916,060 shs£64.07 million07/29/2025GBX 9.66GBX 9.95+3.00%GBX 9.99GBX 9.66625,848 shs£63.78 million07/28/2025GBX 9.70GBX 9.66-0.41%GBX 10GBX 9.52761,279 shs£61.92 million Related Companies Triple Point Social Housing REIT Stock Price Chart Celtic Stock Price Chart Value and Indexed Property Income Stock Price Chart Pebble Beach Systems Group Stock Price Chart Worsley Investors Stock Price Chart ENGAGE XR Stock Price Chart EARNZ Stock Price Chart Marechale Capital Stock Price Chart Moringa Acquisition 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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