NAPCO Security Technologies (NSSC) Stock Chart & Stock Price History $30.96 +1.24 (+4.17%) Closing price 08/12/2025 04:00 PM EasternExtended Trading$30.96 -0.01 (-0.02%) As of 04:48 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 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 42.54%, with a year-to-date return of -12.94%. In the past month, the stock has increased 0.32%, reflecting recent market activity. As of the latest close, NAPCO Security Technologies traded at $30.96 with a market cap of $1.10 billion and volume of 244,044 shares. Five years ago, the stock traded at a split-adjusted price of $12.49, representing a 147.98% increase over that period. At the time, it had a market cap of $476.55 million and a volume of 106,300 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+3.55%1 Month Performance+0.32%3 Month Performance+12.26%Year-To-Date Performance-12.94%1 Year Performance-42.54%5 Year Performance+147.98% NSSC Stock Chart for Wednesday, August, 13, 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 Capitalization08/12/2025$29.72$30.96+4.17%$31.15$29.74244,044 shs$1.10 billion08/11/2025$29.90$29.72-0.60%$30.04$29.59132,052 shs$1.06 billion08/08/2025$29.57$29.90+1.12%$30.37$29.63217,987 shs$1.07 billion08/07/2025$29.59$29.57-0.07%$30.04$29.27240,107 shs$1.05 billion08/06/2025$30.46$29.59-2.86%$30.52$29.58240,944 shs$1.06 billion08/05/2025$30.99$30.46-1.71%$31.10$30.44255,434 shs$1.09 billion08/04/2025$30.23$30.99+2.51%$31.05$30.34168,614 shs$1.11 billion08/01/2025$30.53$30.23-0.98%$30.34$29.69213,741 shs$1.08 billion07/31/2025$30.95$30.53-1.36%$31.32$30.40267,832 shs$1.09 billion07/30/2025$30.89$30.95+0.19%$31.64$30.71269,729 shs$1.10 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. 07/29/2025$31.03$30.89-0.45%$31.70$30.84280,452 shs$1.10 billion07/28/2025$30.42$31.03+2.01%$31.05$30.32279,732 shs$1.11 billion07/25/2025$29.70$30.42+2.42%$30.44$29.84267,370 shs$1.08 billion07/24/2025$30.55$29.70-2.78%$30.55$29.55388,567 shs$1.06 billion07/23/2025$30.31$30.55+0.79%$30.91$30.21230,639 shs$1.09 billion07/22/2025$30.44$30.31-0.43%$30.47$30.12241,428 shs$1.08 billion07/21/2025$30.37$30.44+0.23%$30.72$30.32155,535 shs$1.09 billion07/18/2025$30.85$30.37-1.56%$31.07$30.33165,431 shs$1.08 billion07/17/2025$30.51$30.85+1.11%$31.05$30.54235,005 shs$1.10 billion07/16/2025$30.20$30.51+1.03%$30.54$29.80227,663 shs$1.09 billion07/15/2025$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 billion Related Companies LG Display Stock Price Chart CommScope Stock Price Chart Silicon Motion Technology Stock Price Chart Viavi Solutions Stock Price Chart Planet Labs PBC Stock Price Chart Kulicke and Soffa Industries Stock Price Chart NextNav Stock Price Chart Intuitive Machines Stock Price Chart SolarEdge Technologies Stock Price Chart Bel Fuse 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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