Napco Security Technologies, Inc. (NSSC)

NASDAQ: NSSC · Real-Time Price · USD

38.60

+1.36 (3.65%)

At close: Oct 22, 2026, 4:00 PM EDT

38.60

0.00 (0.00%)

Pre-market: Oct 23, 2026, 4:33 AM EDT

NSSC Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 22, 2026	36.90	38.68	36.90	38.60	38.60	3.65%	301,135
Oct 21, 2026	36.51	37.36	36.51	37.24	37.24	2.17%	252,170
Oct 20, 2026	35.98	36.59	35.89	36.45	36.45	1.50%	206,637
Oct 19, 2026	35.57	36.12	35.41	35.91	35.91	0.96%	236,235
Oct 16, 2026	36.02	36.27	35.21	35.57	35.57	-1.08%	285,885
Oct 15, 2026	35.05	35.98	35.05	35.96	35.96	2.68%	223,941
Oct 14, 2026	35.71	35.90	34.65	35.02	35.02	-3.21%	265,318
Oct 13, 2026	36.25	36.49	35.82	36.18	36.18	-0.06%	233,662
Oct 12, 2026	36.14	36.44	35.86	36.20	36.20	0.17%	238,148
Oct 9, 2026	35.38	36.24	35.10	36.14	36.14	2.79%	230,148
Oct 8, 2026	35.32	35.42	34.71	35.16	35.16	-0.09%	426,916
Oct 7, 2026	36.12	36.51	34.79	35.19	35.19	-3.96%	402,545
Oct 6, 2026	36.49	36.67	36.25	36.64	36.64	1.16%	164,309
Oct 5, 2026	36.17	36.50	35.84	36.22	36.22	0.14%	413,061
Oct 2, 2026	36.76	36.76	36.16	36.17	36.17	-0.06%	223,577
Oct 1, 2026	35.69	36.50	35.41	36.19	36.19	1.60%	358,691
Sep 30, 2026	35.64	35.74	35.35	35.62	35.62	0.14%	329,216
Sep 29, 2026	35.04	35.59	34.85	35.57	35.57	1.45%	233,189
Sep 28, 2026	35.32	35.52	34.52	35.06	35.06	-1.68%	299,528
Sep 25, 2026	35.74	36.24	35.47	35.66	35.66	-0.06%	303,558
Sep 24, 2026	35.88	35.88	34.86	35.68	35.68	-0.78%	376,367
Sep 23, 2026	35.76	36.21	35.39	35.96	35.96	0.22%	252,289
Sep 22, 2026	36.33	36.47	35.63	35.88	35.88	0.17%	327,480
Sep 21, 2026	36.31	36.31	35.60	35.82	35.82	-0.86%	258,061
Sep 18, 2026	35.89	36.21	35.59	36.13	36.13	0.50%	677,827
Sep 17, 2026	36.95	36.95	35.33	35.95	35.95	-1.05%	467,744
Sep 16, 2026	36.04	36.38	35.79	36.33	36.33	1.06%	433,828
Sep 15, 2026	35.81	36.14	35.36	35.95	35.95	0.25%	358,722
Sep 14, 2026	35.76	36.17	35.44	35.86	35.86	-1.10%	303,072
Sep 11, 2026	35.51	36.32	35.51	36.26	36.26	2.60%	329,925
Sep 10, 2026	35.70	36.12	35.43	35.51	35.34	-1.11%	251,192
Sep 9, 2026	36.70	37.06	35.72	35.91	35.74	-3.17%	343,732
Sep 8, 2026	36.91	37.24	36.49	37.09	36.91	0.20%	405,630
Sep 4, 2026	36.94	37.48	36.19	37.01	36.83	-0.11%	567,491
Sep 3, 2026	35.86	37.22	35.43	37.05	36.87	3.93%	476,932
Sep 2, 2026	35.45	36.61	35.45	35.65	35.48	1.16%	390,881
Sep 1, 2026	36.00	36.37	34.94	35.24	35.07	-2.76%	520,455
Aug 31, 2026	35.35	36.48	35.05	36.24	36.07	2.52%	539,071
Aug 28, 2026	35.38	36.14	34.65	35.35	35.18	0.20%	435,756
Aug 27, 2026	34.68	35.40	33.91	35.28	35.11	-1.26%	1,115,587
Aug 26, 2026	35.87	36.40	35.23	35.73	35.56	-1.92%	657,371
Aug 25, 2026	37.44	37.95	35.80	36.43	36.26	-3.09%	684,637
Aug 24, 2026	46.16	51.77	36.38	37.59	37.41	-1.31%	2,337,914
Aug 21, 2026	37.97	38.29	37.21	38.09	37.91	0.85%	349,938
Aug 20, 2026	37.46	38.29	37.46	37.77	37.59	-0.08%	316,169
Aug 19, 2026	38.15	38.25	37.70	37.80	37.62	-0.03%	276,732
Aug 18, 2026	37.66	37.97	37.13	37.81	37.63	-0.66%	270,420
Aug 17, 2026	38.06	38.34	37.94	38.06	37.88	-0.68%	207,198
Aug 14, 2026	38.30	38.47	37.86	38.32	38.14	0.16%	190,400
Aug 13, 2026	39.23	39.62	38.22	38.26	38.08	-1.57%	207,881