Intrusion Inc. (INTZ) NASDAQ

Currency In USD

INTZ Historical Return

If you invested $1000 in Intrusion Inc. (INTZ) 10 years ago, it would be worth $57.9 as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $7.72, while $1000 invested 1 year ago would be worth $319.89. This corresponds to total returns of -94.21%, -99.23%, -68.01%, respectively, with annualized returns of -24.79%, -62.22%, -68.01%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

INTZ Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 22, 2026	0.6	0.54	0.54	0.6	0.52	94,858
October 21, 2026	0.61	0.56	0.56	0.63	0.5	103,456
October 20, 2026	0.61	0.61	0.61	0.63	0.61	17,176
October 19, 2026	0.62	0.61	0.61	0.63	0.61	34,866
October 16, 2026	0.63	0.63	0.63	0.65	0.62	41,886
October 15, 2026	0.64	0.63	0.63	0.65	0.62	37,745
October 14, 2026	0.64	0.65	0.65	0.7	0.63	50,559
October 13, 2026	0.64	0.65	0.65	0.66	0.64	21,240
October 12, 2026	0.68	0.64	0.64	0.68	0.63	48,220
October 09, 2026	0.69	0.66	0.66	0.71	0.63	153,246
October 08, 2026	0.71	0.68	0.68	0.71	0.68	47,924
October 07, 2026	0.73	0.7	0.7	0.74	0.69	32,954
October 06, 2026	0.69	0.71	0.71	0.71	0.69	48,229
October 05, 2026	0.71	0.69	0.69	0.74	0.69	36,687
October 02, 2026	0.71	0.72	0.72	0.72	0.7	73,264
October 01, 2026	0.72	0.71	0.71	0.72	0.71	19,831
September 30, 2026	0.71	0.72	0.72	0.77	0.7	73,994
September 29, 2026	0.66	0.73	0.73	0.76	0.66	114,927
September 28, 2026	0.71	0.67	0.67	0.72	0.67	80,744
September 25, 2026	0.72	0.71	0.71	0.75	0.7	34,680
September 24, 2026	0.76	0.73	0.73	0.76	0.72	35,976
September 23, 2026	0.76	0.76	0.76	0.8	0.72	65,813
September 22, 2026	0.76	0.75	0.75	0.79	0.7	146,410
September 21, 2026	0.7	0.75	0.75	0.8	0.68	311,517
September 18, 2026	0.77	0.61	0.61	0.8	0.61	322,623
September 17, 2026	0.74	0.76	0.76	0.78	0.73	65,203
September 16, 2026	0.78	0.77	0.77	0.79	0.75	42,740
September 15, 2026	0.86	0.8	0.8	0.86	0.8	46,208
September 11, 2026	0.8	0.85	0.85	0.85	0.79	59,357
September 10, 2026	0.83	0.82	0.82	0.83	0.8	61,942
September 09, 2026	0.83	0.84	0.84	0.85	0.8	95,354
September 08, 2026	0.78	0.85	0.85	0.85	0.75	176,804
September 04, 2026	0.81	0.78	0.78	0.81	0.76	126,208
September 03, 2026	0.83	0.83	0.83	0.87	0.8	0
September 02, 2026	0.83	0.86	0.86	0.88	0.82	131,491
September 01, 2026	0.9	0.86	0.86	0.9	0.8	166,482
August 31, 2026	0.78	0.9	0.9	0.93	0.75	560,173
August 28, 2026	0.82	0.79	0.79	0.88	0.76	834,671
August 27, 2026	0.7	0.81	0.81	0.85	0.69	1.14M
August 26, 2026	0.61	0.69	0.69	0.7	0.6	212,956
August 25, 2026	0.62	0.6	0.6	0.62	0.59	0
August 24, 2026	0.65	0.62	0.62	0.66	0.62	0
August 21, 2026	0.63	0.64	0.64	0.65	0.63	186,390
August 20, 2026	0.66	0.64	0.64	0.66	0.63	121,549
August 19, 2026	0.63	0.63	0.63	0.67	0.62	0
August 18, 2026	0.64	0.63	0.63	0.67	0.63	0
August 17, 2026	0.67	0.65	0.65	0.68	0.64	197,124
August 14, 2026	0.66	0.67	0.67	0.68	0.66	145,749
August 13, 2026	0.66	0.67	0.67	0.68	0.66	0
August 12, 2026	0.7	0.66	0.66	0.7	0.65	0
August 11, 2026	0.72	0.82	0.82	0.82	0.72	0
August 10, 2026	0.75	0.76	0.76	0.76	0.71	194,802
August 07, 2026	0.75	0.76	0.76	0.77	0.75	0
August 06, 2026	0.76	0.76	0.76	0.79	0.75	93,605
August 05, 2026	0.77	0.77	0.77	0.8	0.76	89,762
August 04, 2026	0.76	0.77	0.77	0.78	0.76	202,091
August 03, 2026	0.76	0.77	0.77	0.8	0.75	166,534
July 31, 2026	0.78	0.77	0.77	0.79	0.75	252,628
July 30, 2026	0.73	0.79	0.79	0.79	0.73	288,062
July 29, 2026	0.78	0.76	0.76	0.78	0.73	160,485