United Microelectronics Corporation (UMC)

NYSE: UMC · Real-Time Price · USD

13.85

+0.47 (3.51%)

At close: Nov 6, 2026, 4:00 PM EST

13.97

+0.12 (0.87%)

After-hours: Nov 6, 2026, 7:59 PM EST

United Microelectronics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Nov 6, 2026	14.39	14.54	13.65	13.85	13.85	3.51%	16,777,218
Nov 5, 2026	14.35	14.35	13.32	13.38	13.38	-16.69%	38,115,901
Nov 4, 2026	16.37	16.67	15.92	16.06	16.06	-2.07%	14,114,040
Nov 3, 2026	16.32	16.75	16.18	16.40	16.40	0.06%	12,779,979
Nov 2, 2026	16.91	16.96	16.34	16.39	16.39	-1.74%	10,928,717
Oct 30, 2026	16.97	17.06	16.27	16.68	16.68	-7.54%	24,245,546
Oct 29, 2026	17.71	18.31	17.53	18.04	18.04	-4.14%	12,521,509
Oct 28, 2026	19.12	19.28	18.62	18.82	18.82	-3.24%	13,764,788
Oct 27, 2026	19.20	19.49	18.89	19.45	19.45	1.41%	10,879,805
Oct 26, 2026	18.91	19.35	18.77	19.18	19.18	1.54%	7,379,995
Oct 23, 2026	18.66	19.00	18.53	18.89	18.89	1.94%	7,157,464
Oct 22, 2026	19.07	19.17	18.31	18.53	18.53	-6.51%	17,606,452
Oct 21, 2026	19.90	19.98	19.63	19.82	19.82	0.76%	8,297,025
Oct 20, 2026	19.50	19.98	19.35	19.67	19.67	-2.04%	9,305,173
Oct 19, 2026	20.55	20.60	19.97	20.08	20.08	1.31%	8,358,023
Oct 16, 2026	20.65	20.65	19.74	19.82	19.82	-5.26%	12,896,650
Oct 15, 2026	20.48	20.97	20.25	20.92	20.92	-2.24%	14,104,144
Oct 14, 2026	21.85	22.05	21.34	21.40	21.40	-4.42%	12,760,225
Oct 13, 2026	21.95	22.40	21.80	22.39	22.39	-0.71%	8,641,650
Oct 12, 2026	22.74	22.74	22.31	22.55	22.55	-1.79%	7,051,875
Oct 9, 2026	23.19	23.28	22.84	22.96	22.96	0.61%	5,186,035
Oct 8, 2026	23.14	23.32	22.51	22.82	22.82	-2.10%	11,893,266
Oct 7, 2026	22.91	23.34	22.85	23.31	23.31	0.52%	7,426,054
Oct 6, 2026	23.54	23.67	23.05	23.19	23.19	-3.05%	14,996,059
Oct 5, 2026	23.82	24.15	23.26	23.92	23.92	-8.95%	31,665,577
Oct 2, 2026	25.67	26.37	25.52	26.27	26.27	4.20%	10,015,232
Oct 1, 2026	24.85	25.34	24.67	25.21	25.21	2.94%	7,412,801
Sep 30, 2026	24.45	24.69	24.35	24.49	24.49	-0.93%	6,823,806
Sep 29, 2026	24.43	25.02	24.11	24.72	24.72	3.65%	10,844,333
Sep 28, 2026	24.08	24.21	23.42	23.85	23.85	-1.89%	7,041,574
Sep 25, 2026	24.25	24.54	24.12	24.31	24.31	0.87%	5,899,383
Sep 24, 2026	24.11	24.35	23.80	24.10	24.10	-2.35%	6,665,704
Sep 23, 2026	25.28	25.38	24.41	24.68	24.68	-4.23%	10,412,814
Sep 22, 2026	25.26	25.80	25.13	25.77	25.77	1.34%	8,333,058
Sep 21, 2026	24.93	25.63	24.64	25.43	25.43	3.33%	10,965,577
Sep 18, 2026	24.45	24.71	23.88	24.61	24.61	0.57%	28,981,372
Sep 17, 2026	23.51	24.55	23.30	24.47	24.47	8.61%	17,699,474
Sep 16, 2026	22.49	22.84	22.25	22.53	22.53	4.26%	10,065,254
Sep 15, 2026	21.89	22.06	21.59	21.61	21.61	-1.32%	8,235,715
Sep 14, 2026	22.08	22.26	21.81	21.90	21.90	-3.27%	16,298,600
Sep 11, 2026	22.41	22.72	22.32	22.64	22.64	2.35%	7,172,008
Sep 10, 2026	21.94	22.28	21.84	22.12	22.12	-2.51%	10,118,888
Sep 9, 2026	22.02	22.70	21.93	22.69	22.69	3.99%	9,794,694
Sep 8, 2026	21.58	22.20	21.58	21.82	21.82	5.06%	11,521,093
Sep 4, 2026	20.48	21.03	20.33	20.77	20.77	4.58%	9,960,542
Sep 3, 2026	19.57	19.95	19.45	19.86	19.86	-0.55%	5,941,307
Sep 2, 2026	19.54	20.14	19.49	19.97	19.97	-2.44%	8,748,368
Sep 1, 2026	20.43	20.84	20.19	20.47	20.47	2.97%	17,836,155
Aug 31, 2026	20.00	20.31	19.74	19.88	19.88	0.45%	8,830,560
Aug 28, 2026	20.65	20.78	19.59	19.79	19.79	3.78%	19,171,757