Corero Network Security (CNS) Stock Chart & Stock Price History GBX 15.71 -0.79 (-4.79%) As of 11:20 AM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesBuy 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 increased 14.01%, with a year-to-date return of -22.99%. In the past month, the stock has decreased 12.48%, reflecting recent market activity. As of the latest close, Corero Network Security traded at GBX 16.68 with a market cap of £106.92 million and volume of 424,663 shares. Five years ago, the stock traded at GBX 4.70, representing a 234.26% increase over that period. At the time, it had a market cap of £24.39 million and a volume of 36,000 shares. 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Email Address 5 Day Performance-9.92%1 Month Performance-12.48%3 Month Performance-14.57%Year-To-Date Performance-22.99%1 Year Performance+14.01%5 Year Performance+234.26% CNS Stock Chart for Thursday, May, 22, 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 Capitalization05/22/2025GBX 16.68GBX 15.71-5.82%GBX 16.19GBX 15.50851,015 shs£100.71 million05/21/2025GBX 16.56GBX 16.68+0.75%GBX 17.89GBX 16.04424,663 shs£106.92 million05/20/2025GBX 18GBX 16.56-8.02%GBX 18GBX 16.50289,998 shs£106.13 million05/19/2025GBX 17.44GBX 18+3.21%GBX 18GBX 17175,352 shs£115.38 million05/16/2025GBX 17.46GBX 17.44-0.11%GBX 17.50GBX 17.4412,344 shs£111.79 million05/15/2025GBX 17.50GBX 17.46-0.23%GBX 17.50GBX 1734,437 shs£111.92 million05/14/2025GBX 17.18GBX 17.50+1.86%GBX 18GBX 17290,241 shs£112.18 million05/13/2025GBX 17.40GBX 17.18-1.26%GBX 18.50GBX 17509,048 shs£110.13 million05/12/2025GBX 18GBX 17.40-3.33%GBX 18.50GBX 17.40408,097 shs£111.54 million05/09/2025GBX 18.39GBX 18-2.12%GBX 18.44GBX 17.42400,019 shs£115.38 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. 05/08/2025GBX 18GBX 18.39+2.17%GBX 18.39GBX 17.40189,677 shs£117.88 million05/07/2025GBX 17.55GBX 18+2.56%GBX 18GBX 17.4090,670 shs£115.38 million05/06/2025GBX 18.20GBX 17.55-3.57%GBX 18.50GBX 17.50202,603 shs£112.50 million05/05/2025GBX 18.20GBX 18.20GBX 18.20GBX 17.52324,244 shs£116.67 million05/02/2025GBX 17.78GBX 18.20+2.36%GBX 18.20GBX 17.52324,244 shs£116.67 million05/01/2025GBX 18GBX 17.78-1.22%GBX 18GBX 17.7854,871 shs£113.97 million04/30/2025GBX 18GBX 18GBX 18GBX 17.7821,376 shs£115.38 million04/29/2025GBX 18GBX 18GBX 18GBX 17.6593,740 shs£115.38 million04/28/2025GBX 18GBX 18GBX 18GBX 17.5530,879 shs£115.38 million04/25/2025GBX 17.83GBX 18+0.95%GBX 18GBX 17.50120,075 shs£115.38 million04/24/2025GBX 17.85GBX 17.83-0.08%GBX 17.85GBX 17.1589,966 shs£114.29 million04/23/2025GBX 17.95GBX 17.85-0.58%GBX 17.88GBX 17.3686,583 shs£114.39 million04/22/2025GBX 17.36GBX 17.95+3.40%GBX 18GBX 17.3687,299 shs£115.06 million04/21/2025GBX 17.36GBX 17.36GBX 18GBX 17164,060 shs£111.28 million Related Companies Pinewood Technologies Group Stock Price Chart Aurora Investment Trust Stock Price Chart Triple Point Social Housing REIT Stock Price Chart AdvancedAdvT Stock Price Chart Saga Stock Price Chart Celtic Stock Price Chart Value and Indexed Property Income Stock Price Chart Worsley Investors Stock Price Chart Pebble Beach Systems Group Stock Price Chart ENGAGE XR 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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