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Napco Security Technologies, Inc.

NSSCNASDAQIndustrialsSecurity & Protection Services

$39.73Today:- (-)1Y −12.13%

As of Oct 27, 2026 close

Market cap
$1.43B
P/E (TTM)
33.13
Forward P/E
32.43
Dividend yield
1.58%
52-week range
$33.91$51.77
Volume (live)
-
Avg. volume (3M)
312.81K

Napco Security Technologies (NSSC) Historical Stock Prices

Analyze Napco Security Technologies (NSSC) historical stock prices with comprehensive OHLC data, adjusted close prices, and daily trading volume. Access interactive price charts and detailed historical price data across multiple timeframes including daily, weekly, monthly, and yearly intervals for complete price history analysis.

Napco Security Technologies (NSSC) Interactive Price Chart

Interactive historical price chart showing Napco Security Technologies stock price movements and trends across multiple time periods.

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NSSC Historical Price Data Table

Complete historical stock price data with OHLC prices, adjusted close, and daily trading volume. Filter by time interval and date range for detailed price history analysis.

Filter Historical Data

Active filters: 6 Months · Daily127 records
Showing 1-50 of 127
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NSSC historical price data table with daily, weekly, monthly, quarterly, and yearly trading intervals. Track Open, High, Low, Close, Adjusted Close prices, and trading volume to analyze price trends, technical patterns, and market activity for comprehensive price history analysis.
DateOpenHighLowCloseAdj CloseVolume
Oct 27, 202639.6239.8238.6239.7339.73362.43K
Oct 26, 202639.2139.4038.6839.2439.24309.23K
Oct 23, 202638.3838.8838.0038.8238.82290.99K
Oct 22, 202636.9038.6836.9038.6038.60301.13K
Oct 21, 202636.5137.3636.5137.2437.24252.19K
Oct 20, 202635.9836.5935.8836.4536.45206.65K
Oct 19, 202635.5736.1235.4135.9135.91236.24K
Oct 16, 202636.0236.2735.2135.5735.57285.88K
Oct 15, 202635.0535.9835.0535.9635.96223.94K
Oct 14, 202635.7135.9034.6535.0235.02265.32K
Oct 13, 202636.2536.4935.8236.1836.18233.66K
Oct 12, 202636.1436.4435.8636.2036.20238.15K
Oct 9, 202635.3836.2435.1036.1436.14230.15K
Oct 8, 202635.3235.4234.7135.1635.16426.92K
Oct 7, 202636.1236.5134.7835.1935.19402.55K
Oct 6, 202636.4936.6736.2536.6436.64164.31K
Oct 5, 202636.1736.5035.8436.2236.22413.06K
Oct 2, 202636.7636.7636.1636.1736.17223.58K
Oct 1, 202635.6936.4935.4136.1936.19358.69K
Sep 30, 202635.6435.7435.3535.6235.62329.22K
Sep 29, 202635.0435.5934.8535.5735.57233.19K
Sep 28, 202635.3235.5234.5235.0635.06299.53K
Sep 25, 202635.7436.2435.4735.6635.66303.56K
Sep 24, 202635.8835.8834.8635.6835.68376.37K
Sep 23, 202635.7636.2135.3935.9635.96252.29K
Sep 22, 202636.3336.4735.6335.8835.88327.48K
Sep 21, 202636.3136.3135.6035.8235.82258.06K
Sep 18, 202635.8936.2135.5936.1336.13677.83K
Sep 17, 202636.9536.9535.3335.9535.95467.74K
Sep 16, 202636.0436.3835.7936.3336.33433.83K
Sep 15, 202635.8136.1435.3535.9535.95358.72K
Sep 14, 202635.7636.1735.4435.8635.86303.07K
Sep 11, 202635.5136.3235.5136.2636.26329.93K
Sep 10, 202635.7036.1235.4335.5135.34251.19K
Sep 9, 202636.7037.0635.7235.9135.74343.73K
Sep 8, 202636.9137.2336.4837.0936.91405.63K
Sep 4, 202636.9437.4836.1937.0136.83567.49K
Sep 3, 202635.8637.2235.4337.0536.87476.93K
Sep 2, 202635.4536.6135.4535.6535.48390.88K
Sep 1, 202636.0036.3734.9435.2435.07520.46K
Aug 31, 202635.3536.4835.0536.2436.07539.07K
Aug 28, 202635.3836.1434.6535.3535.18435.76K
Aug 27, 202634.6835.4033.9135.2835.111.12M
Aug 26, 202635.8736.4035.2335.7335.56657.37K
Aug 25, 202637.4437.9535.8036.4336.26684.64K
Aug 24, 202646.1651.7736.3837.5937.412.34M
Aug 21, 202637.9738.2937.2138.0937.91349.94K
Aug 20, 202637.4638.2937.4637.7737.59316.17K
Aug 19, 202638.1538.2537.7037.8037.62276.73K
Aug 18, 202637.6637.9737.1337.8137.63270.42K
Show:
of 127

Source: Daily price history (open, high, low, close and volume). Data as of Oct 27, 2026. Data sources and methodology

Understanding Historical Stock Price Data & OHLC Metrics

Open Price
The price at which the stock opened for trading at the start of the trading session.
High Price
The highest price at which the stock traded during the trading session.
Low Price
The lowest price at which the stock traded during the trading session.
Close Price
The final price when trading closed for the session.
Adjusted Close Price
The closing price adjusted for corporate actions such as dividends, stock splits, and rights offerings. Used for accurate long-term historical price analysis and return calculations.
Volume
The total number of shares traded during the session, indicating trading activity and liquidity.