Napco Security Technologies, Inc. (NSSC)
NASDAQ: NSSC · Real-Time Price · USD
43.50
+0.52 (1.21%)
Oct 15, 2025, 4:00 PM EDT - Market closed

NSSC Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 15, 202543.1943.9243.1543.5043.501.21%257,340
Oct 14, 202542.0843.1041.5942.9842.980.89%164,806
Oct 13, 202542.8642.9642.0942.6042.601.57%159,641
Oct 10, 202543.6543.7441.8841.9441.94-2.21%243,339
Oct 9, 202543.9143.9342.3142.8942.89-2.32%162,094
Oct 8, 202543.3644.3043.0643.9143.911.88%374,425
Oct 7, 202543.8543.8542.7343.1043.10-0.97%491,841
Oct 6, 202543.0743.7442.9643.5243.522.06%342,094
Oct 3, 202542.8943.5042.5242.6442.64-0.14%269,569
Oct 2, 202543.0943.0942.3042.7042.70-0.05%192,979
Oct 1, 202542.4642.9142.2542.7242.72-0.54%259,337
Sep 30, 202542.5043.0542.4242.9542.951.08%266,688
Sep 29, 202543.2043.5042.4642.4942.49-1.51%221,555
Sep 26, 202543.1543.4842.7543.1443.140.14%212,680
Sep 25, 202542.7043.2242.4543.0843.08-0.78%272,858
Sep 24, 202543.9345.0343.1743.4243.420.63%371,674
Sep 23, 202542.7043.5842.4243.1543.151.70%309,229
Sep 22, 202542.6342.7541.9142.4342.43-0.47%361,772
Sep 19, 202542.0442.6741.4642.6342.631.52%1,665,561
Sep 18, 202542.9042.9041.1041.9941.99-0.97%560,423
Sep 17, 202542.9043.5642.1342.4042.40-1.23%508,814
Sep 16, 202543.7744.0142.7642.9342.93-1.67%629,212
Sep 15, 202542.1644.2441.5543.6643.664.13%808,716
Sep 12, 202541.3742.1041.0541.9341.931.06%490,825
Sep 11, 202540.0141.5539.8441.4941.353.52%327,785
Sep 10, 202540.1040.4239.8140.0839.95-0.05%250,903
Sep 9, 202540.2040.5240.0640.1039.97-0.40%401,999
Sep 8, 202539.7940.2939.5240.2640.131.87%244,749
Sep 5, 202539.7140.3539.1639.5239.390.69%343,124
Sep 4, 202539.8239.8238.6639.2539.12-1.28%467,546
Sep 3, 202538.5739.8638.4439.7639.633.30%579,874
Sep 2, 202537.8438.5237.5238.4938.361.16%668,070
Aug 29, 202538.1438.1437.5038.0537.92-0.73%445,259
Aug 28, 202538.4738.5537.7838.3338.20-0.21%434,830
Aug 27, 202537.1638.6037.0538.4138.282.70%612,749
Aug 26, 202534.2537.4534.2537.4037.2811.18%1,125,025
Aug 25, 202534.4435.7631.4733.6433.536.12%1,493,648
Aug 22, 202530.5931.8630.4031.7031.604.31%318,881
Aug 21, 202530.1430.5330.0330.3930.290.66%251,288
Aug 20, 202530.9030.9029.8830.1930.09-1.98%219,916
Aug 19, 202530.6831.2130.5730.8030.700.49%186,246
Aug 18, 202530.5830.7330.3130.6530.550.52%270,412
Aug 15, 202531.1631.1630.2930.4930.39-1.96%186,158
Aug 14, 202531.9732.0630.8731.1031.00-4.16%298,980
Aug 13, 202531.0832.4931.0732.4532.344.81%340,770
Aug 12, 202529.9531.1529.7430.9630.864.17%244,044
Aug 11, 202529.9030.0429.5929.7229.62-0.60%132,062
Aug 8, 202529.8130.3729.6329.9029.801.12%217,987
Aug 7, 202529.9930.0429.2729.5729.47-0.07%240,107
Aug 6, 202530.4030.5229.5829.5929.49-2.86%240,949