United Microelectronics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 17, 2026	19.34	19.42	19.28	19.29	-	0.73%	265,286
Aug 14, 2026	18.94	19.17	18.75	19.15	19.15	-1.19%	7,134,650
Aug 13, 2026	19.25	19.72	19.23	19.38	19.38	0.36%	7,645,172
Aug 12, 2026	19.67	19.67	19.30	19.31	19.31	1.95%	10,475,194
Aug 11, 2026	19.35	19.45	18.91	18.94	18.94	0.80%	7,485,604
Aug 10, 2026	19.27	19.35	18.77	18.79	18.79	0.37%	9,060,318
Aug 7, 2026	18.59	18.82	18.18	18.72	18.72	-2.50%	13,316,627
Aug 6, 2026	18.90	19.57	18.73	19.20	19.20	-0.47%	11,944,826
Aug 5, 2026	19.66	19.95	19.20	19.29	19.29	-6.50%	14,254,336
Aug 4, 2026	19.78	20.85	19.59	20.63	20.63	10.38%	20,030,932
Aug 3, 2026	17.69	18.76	17.49	18.69	18.69	-1.79%	12,054,476
Jul 31, 2026	19.78	20.08	18.82	19.03	19.03	0.48%	15,217,801
Jul 30, 2026	17.53	19.02	17.53	18.94	18.94	10.70%	23,250,080
Jul 29, 2026	17.05	18.13	16.96	17.11	17.11	-1.44%	24,621,817
Jul 28, 2026	16.90	17.70	16.54	17.36	17.36	-9.01%	26,420,527
Jul 27, 2026	20.03	20.15	18.57	19.08	19.08	-2.05%	14,178,472
Jul 24, 2026	19.84	20.08	18.97	19.48	19.48	-6.66%	16,397,830
Jul 23, 2026	20.72	21.11	20.44	20.87	20.87	-1.97%	9,174,700
Jul 22, 2026	21.00	21.60	20.99	21.29	21.29	0.47%	7,335,615
Jul 21, 2026	21.51	21.51	20.89	21.19	21.19	4.38%	17,340,378
Jul 20, 2026	20.69	21.23	20.27	20.30	20.30	-4.47%	11,848,462
Jul 17, 2026	20.55	21.74	20.16	21.25	21.25	-4.67%	20,761,250
Jul 16, 2026	22.73	23.20	22.06	22.29	22.29	-10.55%	20,879,307
Jul 15, 2026	25.60	25.80	24.21	24.92	24.92	4.53%	15,692,122
Jul 14, 2026	24.17	24.40	23.57	23.84	23.84	1.62%	13,168,833
Jul 13, 2026	23.56	23.73	23.01	23.46	23.46	-3.62%	18,469,835
Jul 10, 2026	24.39	24.63	23.77	24.34	24.34	-2.09%	6,695,081
Jul 9, 2026	25.02	25.49	24.65	24.86	24.86	0.53%	11,953,735
Jul 8, 2026	24.41	25.04	24.04	24.73	24.73	5.17%	14,127,560
Jul 7, 2026	24.10	24.47	23.34	23.83	23.51	-7.74%	21,687,918
Jul 6, 2026	25.70	26.78	25.59	25.83	25.49	5.26%	13,180,631
Jul 2, 2026	26.06	26.29	24.15	24.54	24.21	-4.55%	21,014,028
Jul 1, 2026	26.39	26.66	25.68	25.71	25.37	-5.51%	19,750,319
Jun 30, 2026	26.33	27.27	26.14	27.21	26.85	1.38%	14,475,715
Jun 29, 2026	25.70	26.86	24.82	26.84	26.48	4.93%	11,871,422
Jun 26, 2026	25.48	26.09	24.87	25.58	25.24	-7.75%	19,297,927
Jun 25, 2026	28.24	28.96	27.34	27.73	27.36	-1.00%	20,957,135
Jun 24, 2026	26.40	28.66	26.40	28.01	27.64	6.91%	24,354,599
Jun 23, 2026	25.92	26.70	25.88	26.20	25.85	-4.73%	25,943,473
Jun 22, 2026	26.90	28.28	26.80	27.50	27.14	14.20%	26,322,090
Jun 18, 2026	23.63	24.17	23.10	24.08	23.76	10.66%	26,913,568
Jun 17, 2026	22.27	22.53	21.75	21.76	21.47	0.65%	13,622,498
Jun 16, 2026	22.46	22.68	21.59	21.62	21.33	-6.33%	16,464,387
Jun 15, 2026	22.55	23.36	22.38	23.08	22.77	6.70%	15,920,026
Jun 12, 2026	20.80	21.78	20.61	21.63	21.34	4.59%	16,400,361
Jun 11, 2026	19.86	20.85	19.84	20.68	20.41	9.42%	20,628,674
Jun 10, 2026	19.03	19.71	18.80	18.90	18.65	-4.93%	20,239,040
Jun 9, 2026	20.49	20.80	18.70	19.88	19.62	-0.60%	23,741,830
Jun 8, 2026	20.29	20.58	19.65	20.00	19.74	1.52%	16,800,830
Jun 5, 2026	20.55	20.70	19.64	19.70	19.44	-5.24%	32,089,655