Napco Security Technologies, Inc. (NSSC)
NASDAQ: NSSC · Real-Time Price · USD
45.65
-0.44 (-0.95%)
Apr 28, 2026, 4:00 PM EDT - Market closed

NSSC Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 202645.9346.1644.7645.6545.65-0.95%305,839
Apr 27, 202645.9146.3545.4346.0946.090.39%289,327
Apr 24, 202645.1245.9544.6845.9145.912.30%218,851
Apr 23, 202645.6245.8144.5944.8844.88-0.91%270,043
Apr 22, 202645.8046.1044.8845.2945.29-0.83%217,890
Apr 21, 202645.8946.4545.4845.6745.67-0.52%308,823
Apr 20, 202645.3846.2745.3645.9145.911.17%275,298
Apr 17, 202645.5246.0544.7545.3845.381.54%300,220
Apr 16, 202644.2144.7443.8344.6944.691.09%245,884
Apr 15, 202643.9044.3143.3544.2144.210.09%221,011
Apr 14, 202644.5945.0943.4944.1744.170.39%345,580
Apr 13, 202642.5044.0342.4144.0044.002.92%324,133
Apr 10, 202642.2442.8641.8142.7542.751.59%312,744
Apr 9, 202642.4042.7141.9642.0842.08-1.20%334,142
Apr 8, 202643.4743.9742.5342.5942.592.60%577,889
Apr 7, 202640.0041.6140.0041.5141.513.16%404,364
Apr 6, 202639.7540.3239.2840.2440.240.93%265,188
Apr 2, 202638.2539.9238.2539.8739.871.06%276,555
Apr 1, 202639.7240.2239.4139.4539.450.15%353,105
Mar 31, 202638.4539.6138.2339.3939.393.93%290,680
Mar 30, 202638.8438.8437.5137.9037.90-1.07%411,124
Mar 27, 202638.5139.1238.0138.3138.31-1.57%439,484
Mar 26, 202640.7441.0338.5238.9238.92-6.22%485,862
Mar 25, 202643.3843.3841.1741.5041.50-2.90%516,764
Mar 24, 202642.1343.4141.9642.7442.740.16%668,961
Mar 23, 202641.8443.0441.3542.6742.674.97%471,072
Mar 20, 202642.3842.3840.4940.6540.65-3.95%1,048,859
Mar 19, 202642.0142.5740.5642.3242.32-0.56%716,867
Mar 18, 202643.3843.4642.0542.5642.56-2.36%879,711
Mar 17, 202642.8443.6042.4843.5943.591.75%549,805
Mar 16, 202643.1443.9242.6542.8442.840.63%871,534
Mar 13, 202642.2042.7542.0742.5742.571.00%1,062,754
Mar 12, 202641.5642.4140.9742.1542.15-0.94%6,767,581
Mar 11, 202643.3643.5242.2642.5542.40-1.96%814,379
Mar 10, 202642.8544.5142.7643.4043.250.81%651,856
Mar 9, 202642.0643.2640.9743.0542.904.59%1,199,491
Mar 6, 202641.9542.1440.9441.1641.01-3.36%449,330
Mar 5, 202642.7944.2142.2142.5942.44-2.25%1,069,211
Mar 4, 202643.5443.9442.7643.5743.420.79%370,741
Mar 3, 202643.5143.6342.2143.2343.08-3.22%433,348
Mar 2, 202645.6545.7644.4044.6744.51-4.16%652,500
Feb 27, 202646.1846.6745.5546.6146.45-0.09%1,048,401
Feb 26, 202647.2947.3046.1946.6546.49-1.23%270,880
Feb 25, 202646.4647.2645.5047.2347.062.74%358,492
Feb 24, 202646.1747.1645.5245.9745.810.22%418,671
Feb 23, 202645.5545.9244.4845.8745.710.02%445,503
Feb 20, 202644.8146.0844.6245.8645.701.96%534,346
Feb 19, 202643.2745.0342.7244.9844.823.43%729,632
Feb 18, 202644.1544.5743.3243.4943.34-1.45%456,008
Feb 17, 202644.2844.7742.9844.1343.97-0.05%672,528
Feb 13, 202642.7345.4342.3944.1543.993.66%1,013,580
Feb 12, 202643.6944.5041.3142.5942.44-0.95%1,015,103
Feb 11, 202642.6143.1642.0143.0042.850.87%374,601
Feb 10, 202643.2943.2942.0542.6342.48-0.91%416,214
Feb 9, 202643.3344.2743.0043.0242.87-1.44%388,638
Feb 6, 202643.6144.0442.5443.6543.500.41%575,186
Feb 5, 202643.5043.5541.7143.4743.32-0.59%1,067,035
Feb 4, 202644.0045.0842.9643.7343.58-0.02%558,584
Feb 3, 202641.6043.9341.5243.7443.596.63%824,017
Feb 2, 202639.2041.6237.6841.0240.8811.20%770,240
Jan 30, 202638.1639.0936.5636.8936.76-3.68%731,901
Jan 29, 202638.4038.9037.9438.3038.16-0.55%313,259
Jan 28, 202638.4938.9637.9738.5138.370.08%412,841
Jan 27, 202638.7339.1138.3238.4838.34-0.93%231,483
Jan 26, 202638.5439.3438.3738.8438.700.80%370,251
Jan 23, 202639.4739.4738.3038.5338.39-2.87%214,491
Jan 22, 202638.6240.3938.5539.6739.533.98%334,089
Jan 21, 202638.4138.9937.8838.1538.020.26%637,654
Jan 20, 202637.7138.7737.6638.0537.92-1.42%430,424
Jan 16, 202639.8639.8938.4838.6038.46-2.33%518,075
Jan 15, 202639.6140.0339.2339.5239.380.08%275,018
Jan 14, 202639.7040.6239.2039.4939.35-448,980
Jan 13, 202642.6843.1939.4339.4939.35-6.91%473,681
Jan 12, 202642.0242.5141.8342.4242.270.64%133,409
Jan 9, 202642.3042.6941.9542.1542.00-0.24%162,069
Jan 8, 202641.1042.3440.9242.2542.102.80%294,024
Jan 7, 202641.9941.9940.9041.1040.96-2.56%226,966
Jan 6, 202641.0842.2140.5742.1842.032.13%275,559
Jan 5, 202641.6442.1341.0041.3041.15-0.19%334,942
Jan 2, 202641.7742.4141.1041.3841.23-0.77%136,989
Dec 31, 202542.0342.4641.6141.7041.55-0.71%335,029
Dec 30, 202542.0942.1841.5742.0041.85-0.12%145,162
Dec 29, 202542.7043.0841.6942.0541.90-1.66%147,276
Dec 26, 202542.0643.0841.5942.7642.611.96%329,612
Dec 24, 202542.1642.3241.7541.9441.79-0.59%182,901
Dec 23, 202542.1842.4541.6442.1942.04-0.42%172,535
Dec 22, 202542.9843.4242.3542.3742.22-1.47%248,242
Dec 19, 202543.5044.0142.6043.0042.85-1.85%988,169
Dec 18, 202543.4843.9042.6843.8143.661.86%456,918
Dec 17, 202542.3143.1642.1543.0142.861.39%350,023
Dec 16, 202541.5042.6341.2142.4242.272.22%408,553
Dec 15, 202542.1642.3641.1141.5041.35-1.40%344,492
Dec 12, 202542.9142.9140.9942.0941.94-2.30%592,339
Dec 11, 202542.0543.2141.6943.0842.792.38%239,337
Dec 10, 202541.2342.7941.0142.0841.801.57%531,767
Dec 9, 202541.7242.5741.4141.4341.15-1.59%242,797
Dec 8, 202541.7342.2841.3942.1041.821.91%419,684
Dec 5, 202540.8341.6840.4841.3141.030.93%501,324
Dec 4, 202540.7941.5540.2840.9340.65-0.22%373,854
Dec 3, 202539.9141.0838.9741.0240.742.86%379,553