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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 April 17, 2025 is 21.69.
  • The all-time high NAPCO Security Technologies stock closing price was 57.33 on August 19, 2024.
  • The NAPCO Security Technologies 52-week high stock price is 58.09, which is 167.8% above the current share price.
  • The NAPCO Security Technologies 52-week low stock price is 19.00, which is 12.4% below the current share price.
  • The average NAPCO Security Technologies stock price for the last 52 weeks is 39.60.
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 27.0342 34.8167 37.0158 19.8200 21.6900 -38.70%
2024 42.6342 33.1776 57.3281 31.8489 35.3839 4.97%
2023 30.2349 26.4587 39.3628 18.0322 33.7090 25.59%
2022 22.8114 23.8656 30.3069 15.4318 26.8396 9.96%
2021 18.3284 12.7801 25.1744 12.6580 24.4077 90.62%
2020 11.6704 14.9288 15.9543 6.6855 12.8045 -10.79%
2019 12.5510 7.5792 16.8383 7.1348 14.3526 86.60%
2018 6.3884 4.2242 8.4875 4.2242 7.6915 80.00%
2017 4.5862 4.1265 5.2253 3.6626 4.2731 2.94%
2016 3.2572 2.8813 4.1754 2.5296 4.1510 44.07%
2015 2.7863 2.2952 3.5776 2.2596 2.8813 25.54%
2014 2.6910 3.0033 3.6968 1.9876 2.2952 -25.16%
2013 2.3291 1.7791 3.1694 1.7082 3.0668 72.52%
2012 1.4789 1.2209 1.7874 1.1183 1.7776 46.78%
2011 1.1244 0.8717 1.4650 0.8204 1.2111 40.91%
2010 0.9568 0.9376 1.2258 0.7911 0.8595 5.40%
2009 0.6659 0.6007 0.9962 0.3931 0.8155 30.46%
2008 1.9493 3.0766 3.1498 0.5763 0.6251 -79.52%
2007 2.8178 2.8080 3.3891 2.2562 3.0522 6.47%
2006 4.1636 3.2589 5.7462 2.6273 2.8666 -15.01%
2005 2.5682 2.7779 3.7136 1.9035 3.3729 17.46%
2004 1.4497 0.7832 2.9040 0.6520 2.8715 258.80%
2003 0.7966 0.9025 0.9143 0.6611 0.8003 -4.33%
2002 0.6776 0.5290 0.9134 0.4748 0.8365 67.27%
2001 0.4608 0.3109 0.6059 0.3109 0.5001 55.21%
2000 0.3254 0.2883 0.4070 0.2770 0.3222 11.76%
1999 0.3135 0.3730 0.3957 0.2374 0.2883 -20.29%
1998 0.4446 0.5426 0.5652 0.3617 0.3617 -33.34%
1997 0.4667 0.3405 0.6217 0.3391 0.5426 60.01%
1996 0.3365 0.3278 0.3957 0.2826 0.3391 7.14%
1995 0.2428 0.2374 0.3617 0.1922 0.3165 21.73%
1994 0.3425 0.3957 0.4522 0.2487 0.2600 -36.12%
1993 0.4483 0.2374 0.6104 0.2374 0.4070 71.44%
1992 0.2472 0.2487 0.3052 0.2035 0.2374 16.66%
1991 0.2729 0.2374 0.3504 0.1583 0.2035 -14.28%
1990 0.3479 0.4522 0.5652 0.2035 0.2374 -52.27%
1989 0.8031 1.1304 1.2435 0.4522 0.4974 -56.00%
1988 1.0078 0.7122 1.2435 0.6557 1.1304 75.45%
1987 0.9400 0.8478 1.1304 0.4974 0.6443 -22.98%
1986 0.9687 0.9270 1.2209 0.7687 0.8365 -9.76%
1985 0.7866 0.5125 1.0174 0.5125 0.9270 84.51%
Sector Industry Market Cap Revenue
Industrial Products Protection - Safety Equipment & Services $0.887B $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 $13.622B 0.00
Allegion (ALLE) Ireland $11.039B 16.99
ADT (ADT) United States $6.694B 10.11
MSA Safety Incorporporated (MSA) United States $6.309B 20.88
VERRA MOBILITY CORP (VRRM) United States $4.259B 24.85
Brady (BRC) United States $3.383B 16.10
Life360 (LIF) United States $3.250B 0.00
Alarm Holdings (ALRM) United States $2.995B 34.47
Resideo Technologies (REZI) United States $2.884B 9.65
Cadre Holdings (CDRE) United States $1.354B 38.33
Ituran Location And Control (ITRN) Israel $0.807B 15.55
Digimarc (DMRC) United States $0.575B 0.00
Lakeland Industries (LAKE) United States $0.223B 90.39
SoundThinking (SSTI) United States $0.179B 0.00
Eastern (EML) United States $0.171B 12.72
ICTS (ICTSF) Netherlands $0.158B 0.00
Senstar Technologies (SNT) Canada $0.091B 55.57
Wrap Technologies (WRAP) United States $0.091B 0.00
Rectitude Holdings (RECT) Singapore $0.055B 0.00
Intellicheck Mobilisa (IDN) United States $0.051B 0.00
WISeKey Holding (WKEY) Switzerland $0.044B 0.00
SuperCom (SPCB) Israel $0.029B 1.16
Guardforce AI (GFAI) Singapore $0.022B 0.00
Hub Cyber Security (HUBC) Israel $0.021B 0.00
Mobilicom (MOB) Israel $0.014B 0.00
Applied DNA Sciences Inc (APDN) United States $0.009B 0.00
American Rebel Holdings (AREB) United States $0.002B 0.00
Digital Ally/NV (DGLY) United States $0.001B 0.00
LogicMark (LGMK) United States $0.001B 0.00