BIO-key International, Inc. (BKYI)

NASDAQ: BKYI · Real-Time Price · USD

0.513

-0.086 (-14.32%)

At close: Apr 28, 2026, 4:00 PM EDT

0.501

-0.012 (-2.40%)

Pre-market: Apr 29, 2026, 6:11 AM EDT

BIO-key International Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 28, 2026	0.51	0.55	0.50	0.51	0.51	-14.32%	783,427
Apr 27, 2026	0.61	0.61	0.59	0.60	0.60	-1.68%	61,295
Apr 24, 2026	0.58	0.61	0.58	0.61	0.61	2.35%	98,470
Apr 23, 2026	0.62	0.62	0.57	0.59	0.59	-5.50%	64,361
Apr 22, 2026	0.65	0.65	0.61	0.63	0.63	-0.05%	77,256
Apr 21, 2026	0.63	0.65	0.61	0.63	0.63	0.10%	51,796
Apr 20, 2026	0.62	0.63	0.60	0.63	0.63	-0.19%	104,871
Apr 17, 2026	0.64	0.66	0.61	0.63	0.63	-2.37%	219,730
Apr 16, 2026	0.62	0.70	0.61	0.65	0.65	6.33%	1,965,969
Apr 15, 2026	0.59	0.63	0.57	0.61	0.61	4.49%	162,121
Apr 14, 2026	0.56	0.59	0.56	0.58	0.58	0.47%	85,137
Apr 13, 2026	0.56	0.58	0.56	0.58	0.58	2.17%	76,871
Apr 10, 2026	0.56	0.58	0.56	0.57	0.57	1.00%	46,658
Apr 9, 2026	0.57	0.57	0.55	0.56	0.56	-1.96%	84,415
Apr 8, 2026	0.57	0.60	0.56	0.57	0.57	-1.45%	136,689
Apr 7, 2026	0.55	0.58	0.54	0.58	0.58	4.98%	93,126
Apr 6, 2026	0.52	0.55	0.52	0.55	0.55	1.69%	69,539
Apr 2, 2026	0.53	0.55	0.52	0.54	0.54	3.37%	88,945
Apr 1, 2026	0.53	0.55	0.53	0.53	0.53	-0.85%	50,878
Mar 31, 2026	0.56	0.56	0.49	0.53	0.53	-11.35%	378,323
Mar 30, 2026	0.57	0.60	0.55	0.60	0.60	4.33%	200,137
Mar 27, 2026	0.58	0.62	0.57	0.57	0.57	-1.43%	109,610
Mar 26, 2026	0.61	0.61	0.58	0.58	0.58	-5.22%	103,098
Mar 25, 2026	0.58	0.63	0.57	0.61	0.61	6.25%	125,419
Mar 24, 2026	0.60	0.61	0.57	0.58	0.58	-6.52%	109,642
Mar 23, 2026	0.58	0.63	0.58	0.62	0.62	-1.87%	272,180
Mar 20, 2026	0.63	0.64	0.58	0.63	0.63	-1.39%	346,685
Mar 19, 2026	0.64	0.66	0.59	0.64	0.64	-3.30%	212,955
Mar 18, 2026	0.66	0.69	0.62	0.66	0.66	2.67%	208,711
Mar 17, 2026	0.63	0.66	0.62	0.64	0.64	0.16%	66,585
Mar 16, 2026	0.65	0.67	0.63	0.64	0.64	-0.93%	86,097
Mar 13, 2026	0.67	0.69	0.63	0.65	0.65	-2.11%	123,547
Mar 12, 2026	0.65	0.67	0.63	0.66	0.66	4.25%	313,595
Mar 11, 2026	0.65	0.65	0.61	0.64	0.64	-2.55%	133,002
Mar 10, 2026	0.61	0.65	0.60	0.65	0.65	5.10%	95,542
Mar 9, 2026	0.63	0.64	0.56	0.62	0.62	-5.70%	340,466
Mar 6, 2026	0.68	0.70	0.64	0.66	0.66	-8.68%	375,055
Mar 5, 2026	0.69	0.73	0.67	0.72	0.72	2.86%	3,966,413
Mar 4, 2026	0.72	0.74	0.68	0.70	0.70	0.86%	228,381
Mar 3, 2026	0.67	0.75	0.67	0.69	0.69	5.12%	572,392
Mar 2, 2026	0.59	0.66	0.59	0.66	0.66	0.90%	160,990
Feb 27, 2026	0.66	0.67	0.62	0.65	0.65	2.41%	163,799
Feb 26, 2026	0.60	0.64	0.59	0.64	0.64	3.05%	110,812
Feb 25, 2026	0.58	0.62	0.54	0.62	0.62	12.42%	283,983
Feb 24, 2026	0.56	0.60	0.53	0.55	0.55	2.00%	3,256,056
Feb 23, 2026	0.57	0.57	0.53	0.54	0.54	-5.74%	84,484
Feb 20, 2026	0.55	0.60	0.54	0.57	0.57	4.29%	236,293
Feb 19, 2026	0.55	0.58	0.54	0.55	0.55	0.02%	152,556
Feb 18, 2026	0.56	0.59	0.55	0.55	0.55	-1.27%	163,971
Feb 17, 2026	0.59	0.60	0.54	0.56	0.56	-4.79%	236,383
Feb 13, 2026	0.58	0.64	0.58	0.59	0.59	-3.78%	131,950
Feb 12, 2026	0.62	0.64	0.58	0.61	0.61	-0.33%	348,332
Feb 11, 2026	0.63	0.66	0.60	0.61	0.61	-6.15%	280,997
Feb 10, 2026	0.66	0.68	0.65	0.65	0.65	-3.14%	153,662
Feb 9, 2026	0.66	0.71	0.66	0.67	0.67	1.16%	156,463
Feb 6, 2026	0.67	0.71	0.65	0.66	0.66	-1.00%	214,665
Feb 5, 2026	0.68	0.74	0.67	0.67	0.67	-3.00%	252,543
Feb 4, 2026	0.76	0.76	0.69	0.69	0.69	-10.32%	327,345
Feb 3, 2026	0.63	0.80	0.63	0.77	0.77	15.37%	1,212,788
Feb 2, 2026	0.64	0.69	0.64	0.67	0.67	-7.97%	524,428
Jan 30, 2026	0.65	0.75	0.65	0.73	0.73	3.64%	1,241,101
Jan 29, 2026	0.68	0.73	0.62	0.70	0.70	-4.72%	4,656,027
Jan 28, 2026	0.77	0.88	0.66	0.73	0.73	34.07%	175,654,385
Jan 27, 2026	0.56	0.57	0.53	0.55	0.55	-2.14%	180,845
Jan 26, 2026	0.56	0.57	0.56	0.56	0.56	-2.96%	163,987
Jan 23, 2026	0.57	0.59	0.57	0.58	0.58	-2.17%	54,264
Jan 22, 2026	0.59	0.60	0.58	0.59	0.59	2.25%	76,061
Jan 21, 2026	0.57	0.60	0.56	0.58	0.58	2.38%	79,835
Jan 20, 2026	0.57	0.59	0.56	0.56	0.56	-4.89%	120,367
Jan 16, 2026	0.60	0.61	0.59	0.59	0.59	-4.22%	75,025
Jan 15, 2026	0.60	0.62	0.58	0.62	0.62	3.32%	47,806
Jan 14, 2026	0.60	0.61	0.58	0.60	0.60	4.12%	139,931
Jan 13, 2026	0.60	0.60	0.57	0.58	0.58	-4.09%	145,805
Jan 12, 2026	0.59	0.60	0.57	0.60	0.60	4.62%	124,698
Jan 9, 2026	0.61	0.61	0.55	0.57	0.57	-5.13%	119,738
Jan 8, 2026	0.61	0.61	0.58	0.60	0.60	-0.17%	94,417
Jan 7, 2026	0.62	0.64	0.58	0.61	0.61	-4.80%	169,996
Jan 6, 2026	0.61	0.64	0.59	0.64	0.64	6.47%	137,712
Jan 5, 2026	0.58	0.61	0.58	0.60	0.60	1.22%	86,927
Jan 2, 2026	0.55	0.60	0.55	0.59	0.59	9.39%	167,749
Dec 31, 2025	0.56	0.57	0.51	0.54	0.54	-6.24%	483,853
Dec 30, 2025	0.56	0.58	0.56	0.58	0.58	2.66%	200,746
Dec 29, 2025	0.59	0.59	0.53	0.56	0.56	-7.51%	477,346
Dec 26, 2025	0.62	0.63	0.59	0.61	0.61	-2.02%	226,507
Dec 24, 2025	0.61	0.63	0.61	0.62	0.62	-1.10%	51,006
Dec 23, 2025	0.63	0.64	0.62	0.63	0.63	-0.83%	112,337
Dec 22, 2025	0.63	0.65	0.62	0.63	0.63	-1.85%	212,315
Dec 19, 2025	0.65	0.65	0.61	0.64	0.64	-1.67%	368,559
Dec 18, 2025	0.62	0.65	0.62	0.65	0.65	2.21%	211,692
Dec 17, 2025	0.64	0.65	0.63	0.64	0.64	-2.46%	177,657
Dec 16, 2025	0.66	0.66	0.63	0.66	0.66	-1.21%	307,157
Dec 15, 2025	0.69	0.70	0.65	0.66	0.66	-4.60%	249,684
Dec 12, 2025	0.71	0.73	0.67	0.70	0.70	0.58%	218,362
Dec 11, 2025	0.70	0.72	0.68	0.69	0.69	-5.08%	243,797
Dec 10, 2025	0.73	0.73	0.69	0.73	0.73	-1.89%	307,799
Dec 9, 2025	0.73	0.76	0.72	0.74	0.74	-3.54%	234,723
Dec 8, 2025	0.75	0.78	0.73	0.77	0.77	0.55%	272,577
Dec 5, 2025	0.76	0.77	0.72	0.77	0.77	0.79%	142,972
Dec 4, 2025	0.73	0.76	0.72	0.76	0.76	4.10%	218,365
Dec 3, 2025	0.71	0.74	0.69	0.73	0.73	3.42%	298,273