United Microelectronics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 13, 2026	102.00	102.00	94.50	98.40	98.40	-5.84%	352,973,200
May 12, 2026	96.70	104.50	94.30	104.50	104.50	10.00%	383,024,476
May 11, 2026	94.70	96.30	92.00	95.00	95.00	4.05%	178,320,200
May 8, 2026	96.50	98.80	89.90	91.30	91.30	-5.39%	218,935,944
May 7, 2026	97.40	98.80	93.00	96.50	96.50	5.58%	325,450,200
May 6, 2026	88.50	91.40	87.80	91.40	91.40	9.99%	256,150,200
May 5, 2026	80.80	85.20	80.10	83.10	83.10	2.34%	172,628,000
May 4, 2026	80.00	82.40	79.40	81.20	81.20	5.05%	241,689,000
Apr 30, 2026	80.50	80.90	76.30	77.30	77.30	3.76%	333,288,108
Apr 29, 2026	75.30	75.30	72.40	74.50	74.50	-0.80%	120,092,500
Apr 28, 2026	72.30	77.70	71.30	75.10	75.10	3.30%	163,741,430
Apr 27, 2026	76.00	76.40	70.70	72.70	72.70	-2.42%	186,952,751
Apr 24, 2026	77.00	78.30	73.30	74.50	74.50	1.22%	179,764,350
Apr 23, 2026	79.50	79.50	71.60	73.60	73.60	-6.36%	231,697,900
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