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NAPCO Security Technologies (NSSC) Stock Chart & Stock Price History

NAPCO Security Technologies logo
$36.72 +0.90 (+2.51%)
Closing price 05/20/2026 04:00 PM Eastern
Extended Trading
$36.81 +0.09 (+0.24%)
As of 04:09 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 Massive. Learn more.
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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 increased 29.75%, with a year-to-date return of -11.94%. In the past month, the stock has decreased 19.60%, reflecting recent market activity.

As of the latest close, NAPCO Security Technologies traded at $36.72 with a market cap of $1.31 billion and volume of 584,960 shares. Five years ago, the stock traded at a split-adjusted price of $16.84, representing a 118.05% increase over that period. At the time, it had a market cap of $618.06 million and a volume of 30,854 shares.

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5 Day
Performance
+1.38%
1 Month
Performance
-19.60%
3 Month
Performance
-19.93%
Year-To-Date
Performance
-11.94%
1 Year
Performance
+29.75%
5 Year
Performance
+118.05%

NSSC Stock Chart for Thursday, May, 21, 2026

NSSC Chart by TradingView

NAPCO Security Technologies Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/20/2026$35.82$36.72
+2.51%		$37.06$35.66584,960 shs$1.31 billion
05/19/2026$36.08$35.82
-0.72%		$36.29$35.22286,232 shs$1.28 billion
05/18/2026$36.22$36.08
-0.39%		$36.92$35.73565,394 shs$1.29 billion
05/15/2026$37.52$36.22
-3.46%		$37.42$35.91447,586 shs$1.29 billion
05/14/2026$37.89$37.52
-0.98%		$39.22$37.47345,359 shs$1.34 billion
05/13/2026$38.29$37.89
-1.04%		$38.82$37.25511,014 shs$1.35 billion
05/12/2026$40.21$38.29
-4.77%		$39.93$38.17332,793 shs$1.37 billion
05/11/2026$40.82$40.21
-1.49%		$41.12$39.96363,657 shs$1.44 billion
05/08/2026$41.58$40.82
-1.83%		$42.06$40.52343,997 shs$1.49 billion
05/07/2026$41.24$41.58
+0.82%		$42.61$41.05584,298 shs$1.48 billion
05/06/2026$41.82$41.24
-1.39%		$42.59$40.81348,901 shs$1.47 billion
05/05/2026N/A$41.82$42.20$39.59686,493 shs$1.49 billion
04/30/2026$45.18$46.75
+3.47%		$46.78$45.05233,237 shs$1.67 billion
04/29/2026$45.65$45.18
-1.03%		$45.67$44.76278,842 shs$1.61 billion
04/28/2026$46.09$45.65
-0.95%		$46.16$44.76305,839 shs$1.63 billion
04/27/2026$45.91$46.09
+0.39%		$46.35$45.43289,328 shs$1.64 billion
04/24/2026$44.88$45.91
+2.30%		$45.95$44.68218,770 shs$1.64 billion
04/23/2026$45.29$44.88
-0.91%		$45.81$44.59270,042 shs$1.60 billion
04/22/2026$45.67$45.29
-0.83%		$46.10$44.88217,890 shs$1.62 billion
04/21/2026$45.91$45.67
-0.52%		$46.45$45.48308,820 shs$1.63 billion
04/20/2026$45.38$45.91
+1.17%		$46.27$45.36275,299 shs$1.64 billion
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This page (NASDAQ:NSSC) was last updated on 5/21/2026 by MarketBeat.com Staff.
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