NYSE · UMC

United Microelectronics Corporation

Technology · Semiconductors

$21.61

Up+$0.92 (+4.26%)

Updated Sep 16, 2026, 8:36 PM

SID Score

8.2/10

Composite research score

Smart Money

58/100

Neutral

Price performance

UMC price history

1M range · 20 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

UMC OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Sep 15, 2026	$21.89	$22.055	$21.59	$21.61	8.82M
Sep 14, 2026	$22.08	$22.255	$21.8114	$21.90	16.3M
Sep 11, 2026	$22.41	$22.715	$22.32	$22.64	7.19M
Sep 10, 2026	$21.94	$22.28	$21.84	$22.12	10.13M
Sep 9, 2026	$22.02	$22.70	$21.93	$22.69	11.2M
Sep 8, 2026	$21.58	$22.20	$21.58	$21.82	11.54M
Sep 4, 2026	$20.48	$21.03	$20.33	$20.77	10.01M
Sep 3, 2026	$19.57	$19.95	$19.45	$19.86	6.07M
Sep 2, 2026	$19.54	$20.135	$19.4862	$19.97	8.76M
Sep 1, 2026	$20.43	$20.8395	$20.19	$20.47	17.94M
Aug 31, 2026	$20.00	$20.31	$19.735	$19.88	8.84M
Aug 28, 2026	$20.65	$20.78	$19.59	$19.79	19.85M
Aug 27, 2026	$18.80	$19.08	$18.68	$19.07	9.12M
Aug 26, 2026	$19.41	$19.46	$18.84	$19.03	6.79M
Aug 25, 2026	$19.50	$20.00	$19.42	$19.60	10.1M
Aug 24, 2026	$19.50	$19.50	$18.77	$19.05	14.93M
Aug 21, 2026	$18.45	$18.605	$18.275	$18.34	7.31M
Aug 20, 2026	$18.03	$18.235	$17.88	$18.00	10.51M
Aug 19, 2026	$18.80	$18.97	$17.965	$18.12	12.43M
Aug 18, 2026	$18.56	$18.76	$18.14	$18.48	17.42M