United Microelectronics (UMC) Price: 18.89

United Microelectronics Corp. (UMC)

18.89 +0.36 (+1.94%) USD | NYSE | Oct 23, 16:00

18.77 -0.12 (-0.64%) After-Hours: 20:00

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Historical Price Data

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Date	Open	High	Low	Close	Volume
Oct 23, 2026	18.66	19.00	18.52	18.89	7.157M
Oct 22, 2026	19.07	19.16	18.31	18.53	17.61M
Oct 21, 2026	19.90	19.98	19.63	19.82	8.297M
Oct 20, 2026	19.50	19.98	19.34	19.67	9.305M
Oct 19, 2026	20.55	20.60	19.97	20.08	8.358M
Oct 16, 2026	20.65	20.65	19.74	19.82	12.92M
Oct 15, 2026	20.48	20.97	20.24	20.92	14.48M
Oct 14, 2026	21.85	22.05	21.34	21.40	12.80M
Oct 13, 2026	21.95	22.40	21.80	22.39	8.713M
Oct 12, 2026	22.74	22.74	22.30	22.55	7.055M
Oct 09, 2026	23.19	23.28	22.84	22.96	5.244M
Oct 08, 2026	23.14	23.32	22.50	22.82	11.90M
Oct 07, 2026	22.91	23.34	22.85	23.31	8.058M
Oct 06, 2026	23.54	23.67	23.05	23.19	15.05M
Oct 05, 2026	23.82	24.15	23.26	23.92	31.82M
Oct 02, 2026	25.67	26.36	25.52	26.27	10.20M
Oct 01, 2026	24.85	25.34	24.67	25.21	7.743M
Sep 30, 2026	24.45	24.68	24.35	24.49	7.102M
Sep 29, 2026	24.43	25.02	24.11	24.72	10.92M
Sep 28, 2026	24.08	24.21	23.42	23.85	7.092M
Sep 25, 2026	24.25	24.54	24.12	24.31	6.335M
Sep 24, 2026	24.11	24.35	23.80	24.10	6.676M
Sep 23, 2026	25.28	25.38	24.41	24.68	10.89M
Sep 22, 2026	25.26	25.80	25.13	25.77	8.422M
Sep 21, 2026	24.92	25.63	24.64	25.43	11.27M

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