Napco Security Technologies (NSSC) Stock Chart & Stock Price History $28.34 +0.39 (+1.40%) As of 05/20/2025 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Napco Security Technologies Stock Price Performance The Napco Security Technologies (NSSC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 40.29%, with a year-to-date return of -20.30%. In the past month, the stock has increased 32.37%, reflecting recent market activity. As of the latest close, Napco Security Technologies traded at $28.34 with a market cap of $1.01 billion and volume of 637,870 shares. Five years ago, the stock traded at a split-adjusted price of $11.28, representing a 151.35% increase over that period. At the time, it had a market cap of $400.49 million and a volume of 75,200 shares. Receive NSSC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Napco Security Technologies and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+1.83%1 Month Performance+32.37%3 Month Performance+14.46%Year-To-Date Performance-20.30%1 Year Performance-40.29%5 Year Performance+151.35% NSSC Stock Chart for Wednesday, May, 21, 2025 NSSC Chart by TradingView Napco Security Technologies 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 Capitalization05/20/2025$27.95$28.34+1.40%$28.54$27.90637,870 shs$1.01 billion05/19/2025$27.83$27.95+0.43%$27.97$27.32303,842 shs$996.59 million05/16/2025$27.63$27.83+0.72%$27.92$27.42316,225 shs$992.31 million05/15/2025$27.63$27.63$28.05$27.30798,116 shs$985.18 million05/14/2025$27.58$27.63+0.18%$27.85$27.25381,311 shs$985.18 million05/13/2025$27.41$27.58+0.62%$27.87$27.18333,730 shs$983.39 million05/12/2025$26.37$27.41+3.94%$27.82$26.88386,615 shs$977.33 million05/09/2025$26.18$26.37+0.73%$26.64$26.21459,597 shs$959.89 million05/08/2025$24.92$26.18+5.06%$26.26$24.82491,081 shs$952.98 million05/07/2025$24.72$24.92+0.81%$25.04$24.60388,677 shs$907.11 million Get the Latest News and Ratings for NSSC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Napco Security Technologies and its competitors with MarketBeat's FREE daily newsletter. 05/06/2025$24.65$24.72+0.28%$24.98$24.13542,015 shs$899.83 million05/05/2025$23.78$24.65+3.66%$27.74$24.611.72 million shs$897.29 million05/02/2025$23.00$23.78+3.39%$23.93$23.10457,470 shs$865.62 million05/01/2025$22.85$23.00+0.66%$23.30$22.73448,090 shs$837.22 million04/30/2025$22.87$22.85-0.09%$22.94$22.14343,275 shs$831.76 million04/29/2025$22.78$22.87+0.40%$23.05$22.64312,377 shs$832.49 million04/28/2025$22.88$22.78-0.44%$22.96$22.46226,114 shs$829.22 million04/25/2025$22.77$22.88+0.48%$22.94$22.39249,154 shs$832.86 million04/24/2025$21.99$22.77+3.55%$22.91$22.04363,729 shs$828.85 million04/23/2025$21.77$21.99+1.01%$22.88$21.87387,960 shs$800.46 million04/22/2025$21.41$21.77+1.68%$21.82$21.35533,519 shs$792.45 million04/21/2025$21.69$21.41-1.29%$21.73$21.14255,613 shs$779.35 million Related Companies Impinj Stock Price Chart LG Display Stock Price Chart Viavi Solutions Stock Price Chart Silicon Motion Technology Stock Price Chart Kulicke and Soffa Industries Stock Price Chart Intuitive Machines Stock Price Chart NextNav Stock Price Chart Himax Technologies Stock Price Chart CommScope Stock Price Chart SolarEdge Technologies Stock Price Chart Receive NSSC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Napco Security Technologies and its competitors with MarketBeat's FREE daily newsletter. 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