NAPCO Security Technologies (NSSC) Stock Chart & Stock Price History $30.51 +0.31 (+1.03%) Closing price 04:00 PM EasternExtended Trading$30.08 -0.44 (-1.43%) As of 07:34 PM 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 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 46.22%, with a year-to-date return of -14.20%. In the past month, the stock has increased 7.02%, reflecting recent market activity. As of the latest close, NAPCO Security Technologies traded at $30.20 with a market cap of $1.08 billion and volume of 194,436 shares. Five years ago, the stock traded at a split-adjusted price of $12.16, representing a 151.01% increase over that period. At the time, it had a market cap of $436.00 million and a volume of 86,600 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-1.13%1 Month Performance+7.02%3 Month Performance+41.25%Year-To-Date Performance-14.20%1 Year Performance-46.22%5 Year Performance+151.01% NSSC Stock Chart for Wednesday, July, 16, 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 Capitalization07/15/2025$30.58$30.20-1.24%$31.05$30.20194,436 shs$1.08 billion07/14/2025$30.86$30.58-0.91%$30.90$30.32233,119 shs$1.09 billion07/11/2025$31.65$30.86-2.50%$31.41$30.67456,955 shs$1.10 billion07/10/2025$30.20$31.65+4.80%$32.06$30.78388,425 shs$1.13 billion07/09/2025$29.78$30.20+1.41%$30.24$29.49252,456 shs$1.08 billion07/08/2025$29.42$29.78+1.22%$29.97$29.46249,628 shs$1.06 billion07/07/2025$29.95$29.42-1.76%$30.12$29.22408,546 shs$1.05 billion07/04/2025$29.95$29.95$30.59$30.0073,956 shs$1.07 billion07/03/2025$30.10$29.95-0.51%$30.59$30.0073,956 shs$1.07 billion07/02/2025$29.96$30.10+0.47%$30.41$29.91258,499 shs$1.07 billion 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. 07/01/2025$29.69$29.96+0.91%$30.33$29.44228,886 shs$1.07 billion06/30/2025$29.63$29.69+0.20%$29.84$29.38202,209 shs$1.06 billion06/27/2025$29.82$29.63-0.64%$30.23$29.35451,613 shs$1.06 billion06/26/2025$29.51$29.82+1.05%$29.90$29.29273,035 shs$1.06 billion06/25/2025$28.29$29.51+4.31%$29.72$28.64336,054 shs$1.05 billion06/24/2025$27.59$28.29+2.54%$28.33$27.71275,157 shs$1.01 billion06/23/2025$27.35$27.59+0.88%$27.98$27.03266,797 shs$983.86 million06/20/2025$28.39$27.35-3.66%$28.60$26.44481,455 shs$975.30 million06/19/2025$28.39$28.39$29.17$28.39318,167 shs$1.01 billion06/18/2025$28.64$28.39-0.87%$29.17$28.39318,167 shs$1.01 billion06/17/2025$28.51$28.64+0.46%$28.83$27.56259,198 shs$1.02 billion06/16/2025$27.60$28.51+3.30%$28.53$27.63250,529 shs$1.02 billion Related Companies LG Display Stock Price Chart Impinj Stock Price Chart Silicon Motion Technology Stock Price Chart Viavi Solutions Stock Price Chart NextNav Stock Price Chart Planet Labs PBC Stock Price Chart Kulicke and Soffa Industries Stock Price Chart Intuitive Machines Stock Price Chart CommScope Stock Price Chart Himax 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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