UMC Stock Prices

Data as of Oct 28, 2026

Last

18.82

Change

-0.63

Open

19.12

Previous

19.45

High

19.28

Low

18.62

Bid

-

Ask

-

Volume

13,726,051

Trades

-

Dividend

0.06

Yield

2.43%

Ex-Div

Jul 7, 2017

Impl Vol

0.540

Hist Vol

0.565

Opt Volume

1,968

Open Int

285,635

IV Quote Option Chain Price History 10 Day Snapshot Strike Pegger Volatility Skew Trade Finder

Price & Volatility Chart

Start Date

End Date

Implied VolatilityHistorical Volatility

Price History

Date	Open	High	Low	Close	Chg	Volume	Opt Volume	Impl Vol	Hist Vol
Oct 28, 2026	19.12	19.28	18.62	18.82	-0.63	13,726,051	1,968	0.540	0.565
Oct 27, 2026	19.20	19.49	18.89	19.45	+0.27	10,847,771	17,666	0.569	0.564
Oct 26, 2026	18.91	19.35	18.77	19.18	+0.29	7,378,173	1,432	0.558	0.564
Oct 23, 2026	18.66	19.00	18.53	18.89	+0.36	7,119,961	682	0.591	0.564
Oct 22, 2026	19.07	19.17	18.31	18.53	-1.29	17,574,765	18,098	0.535	0.564
Oct 21, 2026	19.90	19.98	19.63	19.82	+0.15	8,270,340	2,319	0.564	0.559
Oct 20, 2026	19.50	19.98	19.35	19.67	-0.41	9,276,864	3,160	0.579	0.559
Oct 19, 2026	20.55	20.60	19.97	20.08	+0.26	8,353,424	3,109	0.581	0.559
Oct 16, 2026	20.65	20.65	19.74	19.82	-1.10	12,896,650	6,136	0.512	0.559
Oct 15, 2026	20.48	20.97	20.25	20.92	-0.48	14,104,333	9,882	0.590	0.556
Oct 14, 2026	21.85	22.05	21.34	21.40	-0.99	12,760,940	127,498	0.618	0.556
Oct 13, 2026	21.95	22.40	21.80	22.39	-0.16	8,641,655	2,263	0.611	0.555
Oct 12, 2026	22.74	22.74	22.31	22.55	-0.41	7,048,774	7,828	0.596	0.558
Oct 9, 2026	23.19	23.28	22.84	22.96	+0.14	5,191,230	6,442	0.518	0.559
Oct 8, 2026	23.14	23.32	22.51	22.82	-0.49	11,893,169	8,692	0.551	0.559
Oct 7, 2026	22.91	23.34	22.85	23.31	+0.12	7,426,056	25,925	0.572	0.560
Oct 6, 2026	23.54	23.67	23.05	23.19	-0.73	14,996,261	27,360	0.580	0.560
Oct 5, 2026	23.82	24.15	23.26	23.92	-2.35	31,665,611	73,918	0.612	0.559
Oct 2, 2026	25.67	26.37	25.52	26.27	+0.00	10,015,264	5,280	0.591	0.550
Oct 1, 2026	24.85	25.34	24.67	25.21	+0.72	7,412,823	2,354	0.619	0.550
Sep 30, 2026	24.45	24.69	24.35	24.49	-0.23	6,823,598	1,100	0.641	0.550
Sep 29, 2026	24.43	25.02	24.11	24.72	+0.87	10,844,335	5,367	0.643	0.550
Sep 28, 2026	24.08	24.21	23.42	23.85	-0.46	7,041,595	3,732	0.604	0.549
Sep 25, 2026	24.25	24.54	24.12	24.31	+0.21	5,899,390	1,102	0.597	0.549
Sep 24, 2026	24.11	24.35	23.80	24.10	-0.58	6,665,706	2,203	0.629	0.549
Sep 23, 2026	25.28	25.38	24.41	24.68	-1.09	10,500,717	10,964	0.616	0.548
Sep 22, 2026	25.26	25.80	25.13	25.77	+0.34	8,333,229	2,952	0.640	0.546
Sep 21, 2026	24.93	25.63	24.64	25.43	+0.82	10,965,979	7,376	0.662	0.546
Sep 18, 2026	24.45	24.71	23.88	24.61	+0.14	28,981,376	6,403	0.603	0.546
Sep 17, 2026	23.51	24.55	23.30	24.47	+1.94	17,699,865	20,181	0.626	0.546
Sep 16, 2026	22.49	22.84	22.25	22.53	+0.92	10,065,477	107,960	0.622	0.540
Sep 15, 2026	21.89	22.06	21.59	21.61	-0.29	8,235,717	3,103	0.572	0.539
Sep 14, 2026	22.08	22.26	21.81	21.90	-0.70	15,263,958	2,608	0.776	0.538
Sep 11, 2026	22.41	22.72	22.32	22.60	+0.47	5,094,047	2,188	0.583	0.537
Sep 10, 2026	21.94	22.28	21.84	22.12	-0.57	10,119,091	2,949	0.620	0.537
Sep 9, 2026	22.02	22.70	21.93	22.69	+0.87	9,794,716	12,088	0.638	0.536
Sep 8, 2026	21.58	22.20	21.58	21.82	+0.00	11,521,234	6,687	0.638	0.535
Sep 4, 2026	20.48	21.03	20.33	20.77	+0.91	9,968,120	2,876	0.563	0.534
Sep 3, 2026	19.57	19.95	19.45	19.86	-0.11	5,941,329	3,758	0.582	0.534
Sep 2, 2026	19.54	20.14	19.49	19.97	-0.50	8,748,469	1,287	0.561	0.534
Sep 1, 2026	20.43	20.84	20.19	20.47	+0.59	17,836,192	9,242	0.620	0.533
Aug 31, 2026	20.00	20.31	19.74	19.88	+0.09	8,833,314	986	0.555	0.533
Aug 28, 2026	20.65	20.78	19.59	19.79	+0.72	19,171,759	2,838	0.608	0.534
Aug 27, 2026	18.80	19.08	18.68	19.07	+0.04	9,116,349	2,036	0.573	0.533
Aug 26, 2026	19.41	19.46	18.84	19.03	-0.57	6,089,638	933	0.590	0.533
Aug 25, 2026	19.50	20.00	19.42	19.60	+0.55	10,102,303	6,877	0.600	0.532
Aug 24, 2026	19.50	19.50	18.77	19.05	+0.71	14,185,135	4,936	0.587	0.531
Aug 21, 2026	18.45	18.61	18.28	18.34	+0.34	5,928,779	4,380	0.586	0.530
Aug 20, 2026	18.03	18.24	17.88	18.00	-0.12	9,860,941	6,545	0.579	0.531
Aug 19, 2026	18.80	18.97	17.97	18.12	-0.36	11,825,609	5,456	0.585	0.530
Aug 18, 2026	18.56	18.76	18.14	18.48	-1.05	15,965,969	12,296	0.592	0.530
Aug 17, 2026	19.38	19.77	19.27	19.53	+0.38	7,622,652	2,607	0.623	0.527
Aug 14, 2026	18.94	19.17	18.75	19.15	-0.23	7,134,652	4,724	0.619	0.527
Aug 13, 2026	19.25	19.72	19.23	19.38	+0.07	7,645,175	4,316	0.634	0.526
Aug 12, 2026	19.67	19.67	19.30	19.31	+0.37	10,475,886	5,519	0.650	0.526
Aug 11, 2026	19.35	19.45	18.91	18.94	+0.15	7,485,606	96,378	0.648	0.526
Aug 10, 2026	19.27	19.35	18.77	18.79	+0.07	9,060,320	6,519	0.780	0.526
Aug 7, 2026	18.59	18.82	18.18	18.72	-0.48	13,317,399	3,753	0.744	0.526
Aug 6, 2026	18.90	19.57	18.73	19.20	-0.09	11,944,789	4,995	0.778	0.526
Aug 5, 2026	19.66	19.95	19.20	19.29	-1.34	14,240,680	1,919	0.866	0.526
Aug 4, 2026	19.78	20.85	19.59	20.63	+1.94	20,031,238	5,207	0.888	0.521
Aug 3, 2026	17.69	18.76	17.49	18.69	-0.34	12,054,479	3,913	0.878	0.512
Jul 31, 2026	19.78	20.08	18.82	19.03	+0.09	15,218,608	3,376	0.876	0.511
Jul 30, 2026	17.53	19.02	17.53	18.94	+1.83	23,250,331	5,001	0.842	0.513
Jul 29, 2026	17.05	18.13	16.96	17.11	-0.25	24,621,782	9,267	0.865	0.503
Jul 28, 2026	16.90	17.70	16.54	17.36	-1.72	26,394,818	13,116	0.921	0.503

Dividend History

Ex-Date	Pay Date	Amount	Annual	Yield
Jul 7, 2017	Aug 17, 2017	0.06	0.06	2.43%
Jul 12, 2016	Aug 18, 2016	0.09	0.09	0.07%
Jul 7, 2014	Aug 14, 2014	0.08	0.33	0.05%
Jul 8, 2013	Aug 5, 2013	0.07	0.27	2.10%
Jul 9, 2012	Aug 9, 2012	0.06	0.33	6.60%
Jul 22, 2011	Aug 23, 2011	0.19	0.77	8.39%
Jul 8, 2010	Aug 6, 2010	0.08	0.31	2.00%
Aug 8, 2008	Sep 19, 2008	0.12	0.49	0.00%
Jul 10, 2007	Aug 12, 2007	0.11	0.43	6.30%

Split History

Split Date	Factor	Announced
No splits on record.