United Microelectronics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jan 30, 2026	65.00	65.40	61.60	62.40	62.40	-8.77%	371,058,000
Jan 29, 2026	70.30	71.90	68.40	68.40	68.40	-9.88%	280,191,119
Jan 28, 2026	79.60	79.70	75.30	75.90	75.90	-0.39%	528,130,262
Jan 27, 2026	71.10	76.20	69.60	76.20	76.20	9.96%	502,571,086
Jan 26, 2026	66.00	69.50	65.30	69.30	69.30	6.94%	223,807,900
Jan 23, 2026	68.00	69.40	62.90	64.80	64.80	-4.14%	269,630,700
Jan 22, 2026	71.50	71.90	67.50	67.60	67.60	-1.17%	269,507,100
Jan 21, 2026	70.90	71.90	67.10	68.40	68.40	0.88%	440,182,510
Jan 20, 2026	62.40	68.70	61.00	67.80	67.80	8.48%	471,877,466
Jan 19, 2026	60.30	63.50	58.80	62.50	62.50	6.84%	340,523,889
Jan 16, 2026	54.80	59.00	53.80	58.50	58.50	6.95%	306,202,400
Jan 15, 2026	54.70	55.00	53.70	54.70	54.70	1.30%	98,693,260
Jan 14, 2026	55.10	55.40	53.70	54.00	54.00	-1.64%	155,387,900
Jan 13, 2026	55.50	56.60	53.80	54.90	54.90	-0.72%	129,435,065
Jan 12, 2026	57.00	57.40	54.80	55.30	55.30	0.36%	187,356,100
Jan 9, 2026	54.40	56.50	53.60	55.10	55.10	4.36%	308,105,457
Jan 8, 2026	57.00	58.40	52.10	52.80	52.80	-2.40%	646,733,500
Jan 7, 2026	50.80	54.10	50.70	54.10	54.10	9.96%	232,693,576
Jan 6, 2026	48.85	49.20	48.35	49.20	49.20	1.44%	48,597,526
Jan 5, 2026	48.50	49.00	48.10	48.50	48.50	-0.41%	44,707,100
Jan 2, 2026	49.35	49.40	48.40	48.70	48.70	-1.12%	29,528,142
Dec 31, 2025	49.60	49.70	49.05	49.25	49.25	-0.51%	25,921,295
Dec 30, 2025	49.50	50.00	49.35	49.50	49.50	-0.30%	26,479,820
Dec 29, 2025	49.95	49.95	49.40	49.65	49.65	-0.60%	21,588,380
Dec 26, 2025	49.85	50.10	49.55	49.95	49.95	0.60%	40,876,819
Dec 24, 2025	49.90	50.00	49.30	49.65	49.65	-0.70%	47,846,732
Dec 23, 2025	51.00	51.00	49.65	50.00	50.00	-1.77%	46,013,828
Dec 22, 2025	51.00	51.10	50.40	50.90	50.90	0.39%	65,904,390
Dec 19, 2025	50.30	50.70	50.10	50.70	50.70	0.80%	68,221,880
Dec 18, 2025	50.20	50.70	49.70	50.30	50.30	-0.20%	62,841,250
Dec 17, 2025	49.45	50.90	49.30	50.40	50.40	2.44%	121,851,626
Dec 16, 2025	48.75	49.20	47.90	49.20	49.20	0.72%	83,189,714
Dec 15, 2025	48.40	48.85	48.20	48.85	48.85	0.10%	43,314,520
Dec 12, 2025	48.65	48.90	48.30	48.80	48.80	0.31%	41,378,535
Dec 11, 2025	49.55	49.60	48.00	48.65	48.65	-1.42%	42,123,220
Dec 10, 2025	49.75	49.75	49.00	49.35	49.35	-0.50%	42,238,930
Dec 9, 2025	49.70	49.90	48.70	49.60	49.60	0.61%	43,305,540
Dec 8, 2025	49.75	50.00	48.45	49.30	49.30	0.82%	66,827,800
Dec 5, 2025	48.05	49.30	48.00	48.90	48.90	1.87%	83,118,520
Dec 4, 2025	48.00	48.25	47.85	48.00	48.00	1.05%	46,139,830
Dec 3, 2025	47.65	48.30	47.35	47.50	47.50	0.64%	48,743,890
Dec 2, 2025	46.55	47.60	46.50	47.20	47.20	1.51%	45,877,120
Dec 1, 2025	45.80	46.60	45.80	46.50	46.50	1.53%	40,233,494
Nov 28, 2025	45.50	46.00	45.20	45.80	45.80	-0.33%	24,694,700
Nov 27, 2025	45.30	45.95	45.20	45.95	45.95	1.10%	31,977,210
Nov 26, 2025	45.50	45.85	44.85	45.45	45.45	0.78%	37,443,285
Nov 25, 2025	46.05	46.10	45.05	45.10	45.10	-3.11%	48,758,160
Nov 24, 2025	45.45	46.55	45.00	46.55	46.55	3.44%	96,977,264
Nov 21, 2025	44.20	45.00	44.20	45.00	45.00	0.78%	36,002,845
Nov 20, 2025	44.90	45.00	44.25	44.65	44.65	0.68%	34,080,310