BIO-key International, Inc. (BKYI) NASDAQ

Currency In USD

BKYI Historical Return

If you invested $1000 in BIO-key International, Inc. (BKYI) 10 years ago, it would be worth $0.75 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 $6.5, while $1000 invested 1 year ago would be worth $480.2. This corresponds to total returns of -99.92%, -99.35%, -51.98%, respectively, with annualized returns of -51.28%, -63.49%, -51.98%.

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

BKYI Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 22, 2026	2.71	2.74	2.74	3.25	2.56	31.89M
October 21, 2026	2.34	2.1	2.1	2.36	2.06	149,199
October 20, 2026	2.28	2.3	2.3	2.69	2.27	131,562
October 19, 2026	2.58	2.27	2.27	2.61	2.27	240,504
October 16, 2026	3.11	2.63	2.63	3.11	2.51	342,378
October 15, 2026	2.8	2.95	2.95	3.55	2.71	1.09M
October 14, 2026	2.56	2.91	2.91	3.38	2.54	2.41M
October 13, 2026	4.11	2.83	2.83	4.3	2.7	79.36M
October 12, 2026	1.62	1.65	1.65	1.67	1.55	71,040
October 09, 2026	1.69	1.67	1.67	1.75	1.63	79,167
October 08, 2026	1.72	1.74	1.74	1.78	1.61	120,489
October 07, 2026	1.77	1.76	1.76	1.81	1.71	111,174
October 06, 2026	1.95	1.82	1.82	1.95	1.76	255,402
October 05, 2026	1.93	1.93	1.93	2.24	1.78	320,831
October 02, 2026	2.16	2.12	2.12	2.32	1.92	408,116
October 01, 2026	2.78	2.29	2.29	2.8	2.2	892,751
September 30, 2026	2.85	2.8	2.8	3.21	2.66	2.15M
September 29, 2026	3.37	3.12	3.12	4.66	2.7	168.69M
September 28, 2026	1.83	1.68	1.68	1.96	1.66	93,298
September 25, 2026	2.05	1.79	1.79	2.14	1.65	179,187
September 24, 2026	2.37	2.04	2.04	2.38	1.97	170,908
September 23, 2026	2.44	2.49	2.49	2.55	2.22	569,225
September 22, 2026	2.51	2.38	2.38	2.59	2.37	39,603
September 21, 2026	2.51	2.47	2.47	2.66	2.46	13,150
September 18, 2026	2.52	2.55	2.55	2.68	2.4	20,784
September 17, 2026	2.66	2.57	2.57	2.66	2.47	16,210
September 16, 2026	2.67	2.56	2.56	2.7	2.52	10,900
September 15, 2026	2.68	2.67	2.67	2.68	2.51	9,988
September 11, 2026	2.71	2.65	2.65	2.88	2.61	14,576
September 10, 2026	2.76	2.75	2.75	2.81	2.64	8,722
September 09, 2026	2.66	2.74	2.74	2.77	2.57	12,438
September 08, 2026	2.7	2.67	2.67	2.78	2.65	14,758
September 04, 2026	2.81	2.81	2.81	2.96	2.66	23,829
September 03, 2026	2.87	2.82	2.82	2.98	2.8	9,770
September 02, 2026	3.01	2.93	2.93	3.01	2.93	6,369
September 01, 2026	3.06	3.01	3.01	3.19	2.97	16,651
August 31, 2026	3.1	3.1	3.1	3.26	3	11,942
August 28, 2026	3.14	3.08	3.08	3.2	3.03	21,271
August 27, 2026	3.01	3.1	3.1	3.3	3.01	37,126
August 26, 2026	3.13	2.96	2.96	3.13	2.92	18,532
August 25, 2026	2.97	3.02	3.02	3.07	2.88	35,287
August 24, 2026	2.97	2.97	2.97	3.2	2.92	13,382
August 21, 2026	3.09	3.07	3.07	3.24	3.03	23,106
August 20, 2026	3.07	3.1	3.1	3.14	2.97	20,957
August 19, 2026	3.12	3.02	3.02	3.2	2.96	16,493
August 18, 2026	3.28	3.07	3.07	3.28	2.91	0
August 17, 2026	3.28	3.14	3.14	3.39	3.1	40,772
August 14, 2026	3.14	3.18	3.18	3.47	2.96	97,189
August 13, 2026	3.65	3.77	3.77	3.9	3.57	38,296
August 12, 2026	3.87	3.76	3.76	4	3.75	30,765
August 11, 2026	3.71	3.9	3.9	4.09	3.57	0
August 10, 2026	3.94	4.17	4.17	4.43	3.84	689,882
August 07, 2026	4.03	4.03	4.03	4.35	3.91	0
August 06, 2026	4.06	4.12	4.12	4.12	3.75	43,623
August 05, 2026	4.01	4.04	4.04	4.3	3.94	14,740
August 04, 2026	3.8	4.04	4.04	4.23	3.8	46,045
August 03, 2026	4.34	3.76	3.76	4.6	3.58	72,446
July 31, 2026	4.33	4.39	4.39	4.84	4.17	41,161
July 30, 2026	4.25	4.33	4.33	4.78	4.18	51,681
July 29, 2026	4.35	4.39	4.39	4.41	4.13	96,485