United Microelectronics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 22, 2026	76.50	79.80	75.80	78.60	78.60	3.15%	232,933,800
Apr 21, 2026	78.00	78.50	74.00	76.20	76.20	-0.91%	317,189,700
Apr 20, 2026	78.00	80.20	76.30	76.90	76.90	5.34%	350,982,200
Apr 17, 2026	68.30	74.80	67.60	73.00	73.00	6.88%	497,159,300
Apr 16, 2026	66.50	68.30	65.60	68.30	68.30	9.98%	282,325,200
Apr 15, 2026	60.10	63.40	60.10	62.10	62.10	4.02%	144,674,939
Apr 14, 2026	60.10	60.40	59.10	59.70	59.70	-0.67%	73,308,726
Apr 13, 2026	61.50	61.50	58.60	60.10	60.10	-3.06%	123,930,917
Apr 10, 2026	59.70	63.50	59.30	62.00	62.00	3.33%	151,352,100
Apr 9, 2026	60.60	60.60	58.80	60.00	60.00	-0.50%	76,674,808
Apr 8, 2026	59.80	61.70	59.50	60.30	60.30	3.43%	161,796,100
Apr 7, 2026	54.70	58.90	54.70	58.30	58.30	8.77%	164,604,400
Apr 2, 2026	57.50	57.80	52.80	53.60	53.60	-6.62%	113,154,703
Apr 1, 2026	57.50	58.50	56.80	57.40	57.40	1.59%	61,891,817
Mar 31, 2026	55.90	56.90	55.80	56.50	56.50	-0.88%	71,655,692
Mar 30, 2026	56.30	57.50	55.80	57.00	57.00	-1.38%	60,696,591
Mar 27, 2026	57.10	58.50	57.10	57.80	57.80	-0.69%	41,614,005
Mar 26, 2026	59.40	59.50	58.10	58.20	58.20	-1.52%	35,177,996
Mar 25, 2026	58.00	59.40	57.60	59.10	59.10	4.60%	54,253,998
Mar 24, 2026	57.50	57.50	55.70	56.50	56.50	-0.35%	53,128,573
Mar 23, 2026	56.00	57.00	55.70	56.70	56.70	-1.90%	63,418,150
Mar 20, 2026	58.50	59.00	57.70	57.80	57.80	-1.53%	81,256,502
Mar 19, 2026	60.40	60.40	58.60	58.70	58.70	-3.93%	86,044,917
Mar 18, 2026	61.30	61.50	60.40	61.10	61.10	0.66%	65,947,546
Mar 17, 2026	60.90	61.50	60.20	60.70	60.70	0.33%	46,839,635
Mar 16, 2026	60.50	61.00	60.10	60.50	60.50	1.68%	58,962,600
Mar 13, 2026	59.80	60.20	59.00	59.50	59.50	-1.82%	64,602,150
Mar 12, 2026	62.20	62.20	60.20	60.60	60.60	-2.57%	65,012,730
Mar 11, 2026	62.20	62.80	61.30	62.20	62.20	2.98%	56,074,630
Mar 10, 2026	60.80	61.20	59.00	60.40	60.40	1.17%	75,923,713
Mar 9, 2026	58.30	59.70	57.20	59.70	59.70	-3.71%	112,389,700
Mar 6, 2026	62.10	62.30	61.00	62.00	62.00	-0.16%	54,897,422
Mar 5, 2026	62.50	64.00	61.30	62.10	62.10	3.50%	75,908,980
Mar 4, 2026	61.00	62.00	60.00	60.00	60.00	-4.15%	115,005,700
Mar 3, 2026	64.50	65.10	62.10	62.60	62.60	-2.95%	115,226,964
Mar 2, 2026	64.10	65.60	63.50	64.50	64.50	-1.38%	97,174,815
Feb 26, 2026	66.00	67.40	65.00	65.40	65.40	-0.15%	175,517,800
Feb 25, 2026	69.30	69.30	65.30	65.50	65.50	-2.96%	149,924,300
Feb 24, 2026	64.30	69.50	64.00	67.50	67.50	5.63%	183,387,861
Feb 23, 2026	65.20	65.20	63.10	63.90	63.90	1.75%	141,237,727
Feb 11, 2026	62.90	63.40	62.10	62.80	62.80	0.64%	87,671,129
Feb 10, 2026	62.80	63.60	61.80	62.40	62.40	-	91,499,130
Feb 9, 2026	63.60	64.30	61.80	62.40	62.40	0.81%	140,360,000
Feb 6, 2026	61.10	62.60	59.90	61.90	61.90	0.65%	121,007,881
Feb 5, 2026	61.80	61.80	60.10	61.50	61.50	-0.49%	92,674,207
Feb 4, 2026	60.60	61.90	59.80	61.80	61.80	1.64%	102,525,752
Feb 3, 2026	62.50	62.60	58.80	60.80	60.80	0.16%	183,987,900
Feb 2, 2026	62.30	62.40	58.80	60.70	60.70	-2.72%	193,775,514
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