NAPCO Security Technologies - 41 Year Stock Price History | NSSC

Historical daily share price chart and data for NAPCO Security Technologies since 1984 adjusted for splits and dividends. The latest closing stock price for NAPCO Security Technologies as of June 13, 2025 is 27.60.
  • The all-time high NAPCO Security Technologies stock closing price was 57.05 on August 19, 2024.
  • The NAPCO Security Technologies 52-week high stock price is 58.09, which is 110.5% above the current share price.
  • The NAPCO Security Technologies 52-week low stock price is 19.00, which is 31.2% below the current share price.
  • The average NAPCO Security Technologies stock price for the last 52 weeks is 36.40.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
NAPCO Security Technologies Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 26.6815 34.6470 36.8353 19.7234 27.6000 -21.62%
2024 42.4264 33.0158 57.0487 31.6936 35.2114 4.97%
2023 30.0875 26.3298 39.1709 17.9443 33.5447 25.59%
2022 22.7002 23.7493 30.1592 15.3566 26.7088 9.96%
2021 18.2391 12.7178 25.0517 12.5963 24.2887 90.62%
2020 11.6135 14.8560 15.8766 6.6529 12.7421 -10.79%
2019 12.4898 7.5422 16.7562 7.1000 14.2826 86.60%
2018 6.3573 4.2036 8.4461 4.2036 7.6540 80.00%
2017 4.5639 4.1064 5.1999 3.6448 4.2522 2.94%
2016 3.2413 2.8672 4.1550 2.5173 4.1307 44.07%
2015 2.7727 2.2841 3.5602 2.2486 2.8672 25.53%
2014 2.6779 2.9887 3.6788 1.9779 2.2841 -25.16%
2013 2.3177 1.7704 3.1539 1.6999 3.0519 72.53%
2012 1.4717 1.2149 1.7786 1.1129 1.7689 46.77%
2011 1.1189 0.8675 1.4579 0.8164 1.2052 40.91%
2010 0.9522 0.9331 1.2198 0.7873 0.8553 5.38%
2009 0.6627 0.5977 0.9913 0.3912 0.8116 30.48%
2008 1.9398 3.0616 3.1345 0.5734 0.6220 -79.52%
2007 2.8041 2.7943 3.3726 2.2452 3.0373 6.47%
2006 4.1433 3.2430 5.7182 2.6145 2.8526 -15.01%
2005 2.5557 2.7644 3.6955 1.8942 3.3564 17.46%
2004 1.4427 0.7793 2.8899 0.6489 2.8575 258.80%
2003 0.7927 0.8981 0.9098 0.6579 0.7964 -4.32%
2002 0.6743 0.5265 0.9089 0.4725 0.8324 67.25%
2001 0.4586 0.3094 0.6030 0.3094 0.4977 55.24%
2000 0.3238 0.2869 0.4050 0.2756 0.3206 11.75%
1999 0.3120 0.3712 0.3937 0.2362 0.2869 -20.31%
1998 0.4424 0.5400 0.5625 0.3600 0.3600 -33.33%
1997 0.4645 0.3389 0.6187 0.3375 0.5400 60.00%
1996 0.3349 0.3262 0.3937 0.2812 0.3375 7.14%
1995 0.2416 0.2362 0.3600 0.1912 0.3150 21.76%
1994 0.3409 0.3937 0.4500 0.2475 0.2587 -36.12%
1993 0.4461 0.2362 0.6075 0.2362 0.4050 71.46%
1992 0.2460 0.2475 0.3037 0.2025 0.2362 16.64%
1991 0.2716 0.2362 0.3487 0.1575 0.2025 -14.27%
1990 0.3462 0.4500 0.5625 0.2025 0.2362 -52.28%
1989 0.7992 1.1249 1.2374 0.4500 0.4950 -56.00%
1988 1.0028 0.7087 1.2374 0.6525 1.1249 75.44%
1987 0.9354 0.8437 1.1249 0.4950 0.6412 -22.97%
1986 0.9640 0.9224 1.2149 0.7650 0.8324 -9.76%
1985 0.7827 0.5100 1.0124 0.5100 0.9224 84.48%
Sector Industry Market Cap Revenue
Industrial Products Protection - Safety Equipment & Services $0.984B $0.189B
NAPCO SECURITY SYSTEMS is engaged in the development, manufacture, distribution and sale of security alarm products and door security devices for commercial and residential installations.
Stock Name Country Market Cap PE Ratio
Halma (HLMAF) United Kingdom $15.831B 0.00
Allegion (ALLE) Ireland $11.642B 17.26
ADT (ADT) United States $6.784B 11.26
MSA Safety Incorporporated (MSA) United States $6.374B 20.87
Life360 (LIF) United States $4.675B 407.27
Brady (BRC) United States $3.216B 15.00
Resideo Technologies (REZI) United States $3.050B 9.83
Alarm Holdings (ALRM) United States $2.817B 30.95
Cadre Holdings (CDRE) United States $1.399B 36.21
Ituran Location And Control (ITRN) Israel $0.721B 13.03
Digimarc (DMRC) United States $0.270B 0.00
SoundThinking (SSTI) United States $0.203B 0.00
Concorde Group (CIGL) Singapore $0.145B 0.00
Eastern (EML) United States $0.144B 11.45
ICTS (ICTSF) Netherlands $0.142B 0.00
Lakeland Industries (LAKE) United States $0.132B 0.00
Intellicheck Mobilisa (IDN) United States $0.108B 0.00
Senstar Technologies (SNT) Canada $0.092B 20.84
Wrap Technologies (WRAP) United States $0.088B 0.00
Rectitude Holdings (RECT) Singapore $0.069B 0.00
WISeKey Holding (WKEY) Switzerland $0.052B 0.00
SuperCom (SPCB) Israel $0.029B 2.43
Hub Cyber Security (HUBC) Israel $0.024B 0.00
Mobilicom (MOB) Israel $0.019B 0.00
Guardforce AI (GFAI) Singapore $0.019B 0.00
Cycurion (CYCU) United States $0.012B 0.00
Digital Ally/NV (DGLY) United States $0.004B 0.00
Applied DNA Sciences Inc (APDN) United States $0.002B 0.00
American Rebel Holdings (AREB) United States $0.002B 0.00