United Microelectronics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 27, 2025	41.20	41.30	40.90	40.95	40.95	-2.03%	26,602,975
Aug 26, 2025	40.50	41.80	40.35	41.80	41.80	3.08%	64,250,411
Aug 25, 2025	40.85	40.90	40.55	40.55	40.55	-0.12%	21,545,532
Aug 22, 2025	41.15	41.20	40.60	40.60	40.60	-1.93%	24,838,989
Aug 21, 2025	42.00	42.05	41.40	41.40	41.40	-1.19%	46,331,107
Aug 20, 2025	41.50	42.50	41.50	41.90	41.90	2.07%	109,831,366
Aug 19, 2025	40.30	41.05	40.10	41.05	41.05	1.61%	32,392,374
Aug 18, 2025	40.90	40.90	40.20	40.40	40.40	-1.94%	50,965,480
Aug 15, 2025	41.10	41.60	41.00	41.20	41.20	0.98%	33,183,504
Aug 14, 2025	40.85	41.00	40.75	40.80	40.80	0.12%	25,613,255
Aug 13, 2025	40.80	41.00	40.40	40.75	40.75	0.25%	29,688,289
Aug 12, 2025	40.60	40.85	40.35	40.65	40.65	0.62%	24,184,961
Aug 11, 2025	40.40	40.65	40.30	40.40	40.40	-0.25%	24,922,665
Aug 8, 2025	40.40	40.60	40.20	40.50	40.50	0.25%	34,984,663
Aug 7, 2025	40.50	40.80	40.40	40.40	40.40	-0.74%	53,197,372
Aug 6, 2025	40.95	41.00	40.35	40.70	40.70	-1.69%	42,666,602
Aug 5, 2025	41.35	41.65	41.30	41.40	41.40	0.49%	27,928,713
Aug 4, 2025	40.90	41.55	40.50	41.20	41.20	0.37%	36,148,123
Aug 1, 2025	40.75	41.40	40.35	41.05	41.05	-1.20%	30,847,258
Jul 31, 2025	42.25	42.25	41.55	41.55	41.55	-2.35%	43,354,484
Jul 30, 2025	42.80	42.90	42.10	42.55	42.55	-0.58%	46,318,240
Jul 29, 2025	43.30	43.35	42.80	42.80	42.80	-1.61%	35,928,315
Jul 28, 2025	43.50	43.60	43.00	43.50	43.50	-	35,893,370
Jul 25, 2025	43.40	43.75	43.30	43.50	43.50	-	17,727,075
Jul 24, 2025	43.95	44.00	43.45	43.50	43.50	-0.91%	15,056,849
Jul 23, 2025	43.40	43.90	43.30	43.90	43.90	2.09%	24,654,734
Jul 22, 2025	43.80	43.80	43.00	43.00	43.00	-1.15%	26,480,271
Jul 21, 2025	43.60	43.70	43.35	43.50	43.50	0.12%	16,484,693
Jul 18, 2025	43.75	44.05	43.35	43.45	43.45	-0.23%	25,905,891
Jul 17, 2025	43.50	43.60	43.15	43.55	43.55	0.23%	24,169,060
Jul 16, 2025	43.55	43.60	43.20	43.45	43.45	-0.23%	28,442,513
Jul 15, 2025	43.00	43.55	42.90	43.55	43.55	0.93%	21,213,440
Jul 14, 2025	43.25	43.35	42.80	43.15	43.15	-0.23%	23,398,431
Jul 11, 2025	43.70	43.70	43.20	43.25	43.25	-1.03%	20,103,462
Jul 10, 2025	43.80	44.00	43.20	43.70	43.70	-0.46%	31,767,815
Jul 9, 2025	43.50	43.95	43.45	43.90	43.90	0.46%	23,934,172
Jul 8, 2025	43.60	43.80	43.15	43.70	43.70	0.58%	29,455,888
Jul 7, 2025	44.05	44.05	43.10	43.45	43.45	-0.69%	39,218,437
Jul 4, 2025	44.70	44.75	43.55	43.75	43.75	-1.46%	44,412,641
Jul 3, 2025	44.55	44.95	44.25	44.40	44.40	-0.11%	37,209,280
Jul 2, 2025	43.85	44.45	43.80	44.45	44.45	1.14%	41,524,021
Jul 1, 2025	44.25	44.60	43.55	43.95	43.95	-0.57%	48,641,845
Jun 30, 2025	44.10	44.40	43.95	44.20	44.20	-0.23%	27,637,348
Jun 27, 2025	43.85	44.30	43.60	44.30	44.30	2.43%	49,404,482
Jun 26, 2025	43.80	44.35	43.15	43.25	43.25	-1.26%	81,797,008
Jun 25, 2025	45.45	45.45	43.80	43.80	43.80	-3.42%	96,213,242
Jun 24, 2025	42.50	45.35	42.50	45.35	45.35	-3.51%	132,725,801
Jun 23, 2025	46.50	47.20	46.20	47.00	44.15	-1.36%	74,927,044
Jun 20, 2025	47.30	47.95	46.80	47.65	44.76	-0.21%	65,589,204
Jun 19, 2025	48.40	48.45	47.60	47.75	44.85	-1.14%	51,364,812