Napco Security Technologies, Inc. (NSSC)
NASDAQ: NSSC · Real-Time Price · USD
37.39
+1.33 (3.69%)
Jun 18, 2026, 4:00 PM EDT - Market closed

NSSC Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 18, 202636.8538.0236.5537.3937.393.69%1,528,957
Jun 17, 202637.5237.9936.0436.0636.06-3.81%397,758
Jun 16, 202637.8238.4337.2637.4937.49-0.21%562,263
Jun 15, 202637.8838.2337.4637.5737.570.94%1,025,947
Jun 12, 202636.4337.6236.0837.2237.222.59%401,686
Jun 11, 202635.4636.5635.1636.4336.283.41%459,917
Jun 10, 202635.0535.6134.7235.2335.080.26%313,240
Jun 9, 202635.0836.0234.3235.1435.000.37%320,546
Jun 8, 202635.4835.4834.7235.0134.870.14%373,223
Jun 5, 202635.5435.7034.9034.9634.82-2.26%268,379
Jun 4, 202636.1136.4235.7235.7735.62-0.61%270,475
Jun 3, 202636.0136.3335.7235.9935.84-0.58%378,132
Jun 2, 202635.2736.4235.2736.2036.052.64%387,602
Jun 1, 202636.9237.4634.7635.2735.12-6.02%582,606
May 29, 202636.8237.5536.5037.5337.382.07%699,581
May 28, 202636.0436.9035.2536.7736.621.69%346,392
May 27, 202637.1837.3236.0636.1636.01-2.51%341,494
May 26, 202637.5238.0737.0037.0936.94-0.86%388,377
May 22, 202636.9637.5136.8337.4137.261.96%224,958
May 21, 202636.5837.2936.1236.6936.54-0.08%535,282
May 20, 202636.0937.0635.6636.7236.572.51%584,961
May 19, 202636.0536.2935.2235.8235.67-0.72%286,231
May 18, 202636.9236.9235.7336.0835.93-0.39%565,393
May 15, 202637.0037.4235.9136.2236.07-3.46%447,600
May 14, 202638.3939.2237.4737.5237.37-0.98%345,359
May 13, 202638.3438.8237.2537.8937.73-1.04%511,014
May 12, 202639.9339.9338.1738.2938.13-4.77%332,967
May 11, 202640.7741.1239.9640.2140.04-1.49%365,852
May 8, 202642.0642.0640.5240.8240.65-1.83%344,047
May 7, 202641.6042.6141.0541.5841.410.82%584,304
May 6, 202642.4942.5940.8141.2441.07-1.39%348,900
May 5, 202639.6142.2039.5941.8241.655.58%686,537
May 4, 202646.1446.5239.1639.6139.45-15.22%1,045,517
May 1, 202646.8547.2046.0046.7246.53-0.06%291,556
Apr 30, 202645.4546.7845.0546.7546.563.47%233,284
Apr 29, 202645.6245.6744.7645.1844.99-1.03%278,841
Apr 28, 202645.9346.1644.7645.6545.46-0.95%305,839
Apr 27, 202645.9146.3545.4346.0945.900.39%289,327
Apr 24, 202645.1245.9544.6845.9145.722.30%218,851
Apr 23, 202645.6245.8144.5944.8844.70-0.91%270,043
Apr 22, 202645.8046.1044.8845.2945.10-0.83%217,890
Apr 21, 202645.8946.4545.4845.6745.48-0.52%308,823
Apr 20, 202645.3846.2745.3645.9145.721.17%275,298
Apr 17, 202645.5246.0544.7545.3845.191.54%300,220
Apr 16, 202644.2144.7443.8344.6944.511.09%245,884
Apr 15, 202643.9044.3143.3544.2144.030.09%221,011
Apr 14, 202644.5945.0943.4944.1743.990.39%345,580
Apr 13, 202642.5044.0342.4144.0043.822.92%324,133
Apr 10, 202642.2442.8641.8142.7542.571.59%312,744
Apr 9, 202642.4042.7141.9642.0841.91-1.20%334,142