United Microelectronics Corporation (UMC) NYSE

Currency In USD

UMC Historical Return

If you invested $1000 in United Microelectronics Corporation (UMC) 10 years ago, it would be worth $17,147.73 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,281.75, while $1000 invested 1 year ago would be worth $3,343.43. This corresponds to total returns of 1,614.77%, 128.18%, 234.34%, respectively, with annualized returns of 32.86%, 17.95%, 234.34%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

UMC Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 10, 2026	21.94	22.12	22.12	22.28	21.84	10.12M
September 09, 2026	22.02	22.69	22.69	22.7	21.93	9.79M
September 08, 2026	21.58	21.82	21.82	22.2	21.58	11.52M
September 04, 2026	20.48	20.77	20.77	21.03	20.33	9.97M
September 03, 2026	19.57	19.86	19.86	19.95	19.45	5.94M
September 02, 2026	19.54	19.97	19.97	20.14	19.49	8.75M
September 01, 2026	20.43	20.47	20.47	20.84	20.19	17.84M
August 31, 2026	20	19.88	19.88	20.31	19.74	8.83M
August 28, 2026	20.65	19.79	19.79	20.78	19.59	19.17M
August 27, 2026	18.8	19.07	19.07	19.08	18.68	9.12M
August 26, 2026	19.41	19.03	19.03	19.46	18.84	6.09M
August 25, 2026	19.5	19.6	19.6	20	19.42	10.1M
August 24, 2026	19.5	19.05	19.05	19.5	18.77	14.19M
August 21, 2026	18.45	18.34	18.34	18.61	18.27	5.93M
August 20, 2026	18.03	18	18	18.24	17.88	9.86M
August 19, 2026	18.8	18.12	18.12	18.97	17.97	11.83M
August 18, 2026	18.56	18.48	18.48	18.76	18.14	15.92M
August 17, 2026	19.38	19.53	19.53	19.77	19.27	7.62M
August 14, 2026	18.94	19.15	19.15	19.17	18.75	7.13M
August 13, 2026	19.25	19.38	19.38	19.72	19.23	7.65M
August 12, 2026	19.67	19.31	19.31	19.67	19.3	10.48M
August 11, 2026	19.35	18.94	18.94	19.45	18.91	7.5M
August 10, 2026	19.27	18.79	18.79	19.35	18.77	9.06M
August 07, 2026	18.59	18.72	18.72	18.82	18.18	13.32M
August 06, 2026	18.9	19.2	19.2	19.57	18.73	11.94M
August 05, 2026	19.66	19.29	19.29	19.95	19.2	14.25M
August 04, 2026	19.78	20.63	20.63	20.85	19.59	20.04M
August 03, 2026	17.69	18.69	18.69	18.76	17.49	12.05M
July 31, 2026	19.78	19.03	19.03	20.08	18.82	15.22M
July 30, 2026	17.53	18.94	18.94	19.02	17.53	23.25M
July 29, 2026	17.05	17.11	17.11	18.13	16.96	24.62M
July 28, 2026	16.9	17.36	17.36	17.7	16.54	26.46M
July 27, 2026	20.03	19.08	19.08	20.15	18.57	14.18M
July 24, 2026	19.84	19.48	19.48	20.08	18.97	16.08M
July 23, 2026	20.72	20.87	20.87	21.11	20.43	9.18M
July 22, 2026	21	21.29	21.29	21.6	20.99	7.34M
July 21, 2026	21.51	21.19	21.19	21.51	20.89	17.34M
July 20, 2026	20.69	20.3	20.3	21.23	20.27	11.85M
July 17, 2026	20.55	21.25	21.25	21.74	20.16	20.77M
July 16, 2026	22.73	22.29	22.29	23.2	22.06	20.88M
July 15, 2026	25.6	24.92	24.92	25.8	24.21	15.69M
July 14, 2026	24.17	23.84	23.84	24.4	23.57	13.17M
July 13, 2026	23.56	23.46	23.46	23.73	23.01	18.49M
July 10, 2026	24.39	24.34	24.34	24.63	23.77	6.71M
July 09, 2026	25.02	24.86	24.86	25.49	24.65	11.95M
July 08, 2026	24.41	24.73	24.73	25.04	24.04	14.13M
July 07, 2026	24.1	23.83	23.83	24.47	23.34	21.69M
July 06, 2026	25.7	25.83	25.83	26.78	25.59	12.68M
July 02, 2026	26.06	24.54	24.54	26.29	24.15	20.26M
July 01, 2026	26.39	25.71	25.71	26.66	25.68	18.72M
June 30, 2026	26.33	27.21	27.21	27.27	26.14	13.59M
June 29, 2026	25.7	26.84	26.84	26.86	24.82	11.85M
June 26, 2026	25.48	25.58	25.58	26.09	24.87	18.78M
June 25, 2026	28.24	27.73	27.73	28.96	27.34	20.92M
June 24, 2026	26.4	28.01	28.01	28.66	26.4	24.08M
June 23, 2026	25.92	26.2	26.2	26.7	25.88	25.49M
June 22, 2026	26.9	27.5	27.5	28.28	26.8	26.22M
June 18, 2026	23.63	24.08	24.08	24.17	23.1	26.08M
June 17, 2026	22.27	21.76	21.76	22.53	21.75	13.55M
June 16, 2026	22.46	21.62	21.62	22.68	21.59	15.83M