Napco Security Technologies (NSSC) Stock Chart & Stock Price History $21.16 -1.73 (-7.56%) Closing price 04/3/2025 04:00 PM EasternExtended Trading$20.46 -0.70 (-3.31%) As of 07:08 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Napco Security Technologies Stock Price Performance 5 Day Performance-8.40%1 Month Performance-11.32%3 Month Performance-40.73%6 Month Performance-45.17%Year-To-Date Performance-40.49%1 Year Performance-47.64% 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 NSSC Stock Chart for Friday, April, 4, 2025 NSSC Chart by TradingViewRemove Ads Napco Security Technologies Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/03/2025$22.89$21.16-7.56%$22.32$20.94374,678 shs$770.25 million04/02/2025$22.67$22.89+0.97%$23.06$22.25263,895 shs$833.22 million04/01/2025$23.02$22.67-1.52%$23.60$22.49377,519 shs$825.21 million03/31/2025$23.10$23.02-0.35%$23.05$22.36470,278 shs$837.95 million03/28/2025$23.34$23.10-1.03%$23.33$22.62511,258 shs$840.86 million03/27/2025$23.82$23.34-2.02%$24.06$23.17431,100 shs$849.60 million03/26/2025$24.27$23.82-1.85%$24.46$23.81310,970 shs$867.07 million03/25/2025$24.62$24.27-1.42%$24.66$23.55615,537 shs$883.45 million03/24/2025$23.94$24.62+2.84%$24.70$23.99643,773 shs$896.19 million03/21/2025$24.24$23.94-1.24%$24.15$23.31454,427 shs$871.44 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. 03/20/2025$24.04$24.24+0.83%$24.47$23.85593,827 shs$882.36 million03/19/2025$24.82$24.04-3.14%$25.05$23.89511,712 shs$875.08 million03/18/2025$25.18$24.82-1.43%$25.19$24.72264,847 shs$903.47 million03/17/2025$25.19$25.18-0.04%$25.48$24.94282,114 shs$916.58 million03/14/2025$24.70$25.19+1.98%$25.36$24.82229,847 shs$916.94 million03/13/2025$24.97$24.70-1.08%$25.30$24.42604,517 shs$899.11 million03/12/2025$25.24$24.97-1.07%$25.61$24.66562,418 shs$908.93 million03/11/2025$25.22$25.24+0.08%$25.48$24.43635,028 shs$918.76 million03/10/2025$25.74$25.22-2.02%$25.68$25.11507,378 shs$918.03 million03/07/2025$24.91$25.74+3.33%$25.77$24.80419,892 shs$936.96 million03/06/2025$24.34$24.91+2.34%$25.18$23.98486,332 shs$906.75 million03/05/2025$23.86$24.34+2.01%$24.38$23.57809,346 shs$886 million03/04/2025$23.59$23.86+1.14%$24.11$23.00461,968 shs$868.53 million03/03/2025$24.56$23.59-3.95%$24.80$23.52363,365 shs$858.70 million Related Companies LG Display Stock Price Chart Viavi Solutions Stock Price Chart Impinj Stock Price Chart Kulicke and Soffa Industries Stock Price Chart Silicon Motion Technology Stock Price Chart NextNav Stock Price Chart Himax Technologies Stock Price Chart Intuitive Machines Stock Price Chart CommScope Stock Price Chart Daqo New Energy 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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