Data I/O Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 17, 2026	3.88	3.96	3.70	3.85	3.85	-0.77%	134,821
Jun 16, 2026	4.06	4.08	3.81	3.88	3.88	-3.72%	83,301
Jun 15, 2026	4.05	4.10	3.95	4.03	4.03	-	104,463
Jun 12, 2026	3.99	4.05	3.92	4.03	4.03	1.00%	22,931
Jun 11, 2026	3.77	4.04	3.58	3.99	3.99	7.55%	63,414
Jun 10, 2026	3.54	3.79	3.46	3.71	3.71	2.20%	61,844
Jun 9, 2026	3.60	3.76	3.41	3.63	3.63	0.83%	79,143
Jun 8, 2026	3.60	3.66	3.53	3.60	3.60	-	35,515
Jun 5, 2026	3.84	3.85	3.56	3.60	3.60	-8.40%	87,784
Jun 4, 2026	4.00	4.14	3.80	3.93	3.93	-3.68%	51,259
Jun 3, 2026	4.15	4.15	3.92	4.08	4.08	-1.92%	99,794
Jun 2, 2026	4.25	4.30	4.03	4.16	4.16	-2.35%	60,824
Jun 1, 2026	4.30	4.40	3.93	4.26	4.26	0.71%	337,211
May 29, 2026	4.22	4.49	4.06	4.23	4.23	-0.47%	404,591
May 28, 2026	3.22	4.44	3.21	4.25	4.25	33.23%	887,330
May 27, 2026	3.18	3.27	3.11	3.19	3.19	1.27%	53,971
May 26, 2026	3.13	3.20	3.07	3.15	3.15	-0.94%	43,621
May 22, 2026	3.05	3.19	3.05	3.18	3.18	4.26%	47,293
May 21, 2026	3.19	3.19	2.98	3.05	3.05	-3.79%	56,903
May 20, 2026	3.03	3.17	2.99	3.17	3.17	2.26%	39,698
May 19, 2026	3.01	3.19	2.96	3.10	3.10	2.65%	27,317
May 18, 2026	3.24	3.24	3.00	3.02	3.02	-5.63%	61,692
May 15, 2026	2.76	3.29	2.76	3.20	3.20	9.97%	329,288
May 14, 2026	2.81	3.08	2.72	2.91	2.91	5.05%	258,112
May 13, 2026	2.83	2.92	2.68	2.77	2.77	-3.82%	10,194
May 12, 2026	2.96	2.96	2.85	2.88	2.88	-1.03%	7,976
May 11, 2026	2.83	3.11	2.67	2.91	2.91	3.93%	58,869
May 8, 2026	2.83	2.87	2.76	2.80	2.80	-1.06%	25,054
May 7, 2026	2.87	2.92	2.82	2.83	2.83	-0.35%	43,841
May 6, 2026	2.82	2.95	2.80	2.84	2.84	-	17,034
May 5, 2026	2.77	2.84	2.77	2.84	2.84	2.53%	3,452
May 4, 2026	2.81	2.95	2.77	2.77	2.77	0.36%	12,523
May 1, 2026	2.69	2.89	2.69	2.76	2.76	1.85%	87,734
Apr 30, 2026	2.58	2.71	2.55	2.71	2.71	5.04%	24,295
Apr 29, 2026	2.59	2.63	2.52	2.58	2.58	0.78%	30,463
Apr 28, 2026	2.57	2.70	2.51	2.56	2.56	-	6,424
Apr 27, 2026	2.76	2.78	2.56	2.56	2.56	-6.57%	10,763
Apr 24, 2026	2.56	2.74	2.51	2.74	2.74	7.87%	50,598
Apr 23, 2026	2.53	2.57	2.50	2.54	2.54	1.20%	23,500
Apr 22, 2026	2.54	2.70	2.45	2.51	2.51	0.40%	15,000
Apr 21, 2026	2.53	2.60	2.48	2.50	2.50	-1.96%	19,894
Apr 20, 2026	2.68	2.73	2.31	2.55	2.55	-0.78%	110,316
Apr 17, 2026	2.59	2.60	2.46	2.57	2.57	-1.53%	63,714
Apr 16, 2026	2.65	2.65	2.49	2.61	2.61	3.98%	25,755
Apr 15, 2026	2.48	2.54	2.40	2.51	2.51	2.45%	65,678
Apr 14, 2026	2.37	2.49	2.36	2.45	2.45	4.26%	12,618
Apr 13, 2026	2.50	2.50	2.35	2.35	2.35	-0.42%	13,193
Apr 10, 2026	2.22	2.44	2.22	2.36	2.36	5.36%	51,146
Apr 9, 2026	2.20	2.30	2.17	2.24	2.24	-	79,991
Apr 8, 2026	2.22	2.40	2.20	2.24	2.24	0.90%	51,345