United Microelectronics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 3, 2026	141.50	141.50	130.50	130.50	130.50	-7.77%	378,583,900
Jun 2, 2026	147.00	150.00	133.50	141.50	141.50	-3.08%	379,942,300
Jun 1, 2026	143.00	155.50	140.00	146.00	146.00	1.04%	288,406,600
May 29, 2026	149.00	149.00	138.00	144.50	144.50	1.76%	361,698,700
May 28, 2026	145.00	151.00	137.00	142.00	142.00	-1.05%	417,482,900
May 27, 2026	139.50	143.50	138.50	143.50	143.50	9.96%	280,017,900
May 26, 2026	129.00	133.50	128.00	130.50	130.50	4.40%	291,521,700
May 25, 2026	115.00	125.00	113.00	125.00	125.00	9.65%	340,935,700
May 22, 2026	119.50	119.50	113.00	114.00	114.00	-1.72%	203,125,900
May 21, 2026	112.50	118.00	111.50	116.00	116.00	7.41%	198,436,800
May 20, 2026	114.00	115.50	107.00	108.00	108.00	-4.42%	227,934,500
May 19, 2026	112.50	120.50	111.50	113.00	113.00	1.80%	273,826,400
May 18, 2026	108.50	114.00	103.50	111.00	111.00	0.91%	263,744,200
May 15, 2026	112.00	118.00	108.00	110.00	110.00	1.85%	411,144,700
May 14, 2026	102.00	108.00	98.80	108.00	108.00	9.76%	333,611,300
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%	383,024,400
May 11, 2026	94.70	96.30	92.00	95.00	95.00	4.05%	178,723,400
May 8, 2026	96.50	98.80	89.90	91.30	91.30	-5.39%	218,935,900
May 7, 2026	97.40	98.80	93.00	96.50	96.50	5.58%	325,904,200
May 6, 2026	88.50	91.40	87.80	91.40	91.40	9.99%	256,466,400
May 5, 2026	80.80	85.20	80.10	83.10	83.10	2.34%	172,843,800
May 4, 2026	80.00	82.40	79.40	81.20	81.20	5.05%	242,174,300
Apr 30, 2026	80.50	80.90	76.30	77.30	77.30	3.76%	333,288,100
Apr 29, 2026	75.30	75.30	72.40	74.50	74.50	-0.80%	120,372,100
Apr 28, 2026	72.30	77.70	71.30	75.10	75.10	3.30%	163,741,400
Apr 27, 2026	76.00	76.40	70.70	72.70	72.70	-2.42%	186,952,700
Apr 24, 2026	77.00	78.30	73.30	74.50	74.50	1.22%	179,764,300
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%	282,525,300
Apr 15, 2026	60.10	63.40	60.10	62.10	62.10	4.02%	144,674,900
Apr 14, 2026	60.10	60.40	59.10	59.70	59.70	-0.67%	73,308,720
Apr 13, 2026	61.50	61.50	58.60	60.10	60.10	-3.06%	123,930,900
Apr 10, 2026	59.70	63.50	59.30	62.00	62.00	3.33%	151,634,900
Apr 9, 2026	60.60	60.60	58.80	60.00	60.00	-0.50%	76,674,800
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%	113,154,700
Apr 1, 2026	57.50	58.50	56.80	57.40	57.40	1.59%	61,891,810
Mar 31, 2026	55.90	56.90	55.80	56.50	56.50	-0.88%	71,655,690
Mar 30, 2026	56.30	57.50	55.80	57.00	57.00	-1.38%	60,696,590
Mar 27, 2026	57.10	58.50	57.10	57.80	57.80	-0.69%	41,614,000
Mar 26, 2026	59.40	59.50	58.10	58.20	58.20	-1.52%	35,177,990
Mar 25, 2026	58.00	59.40	57.60	59.10	59.10	4.60%	54,253,990
Mar 24, 2026	57.50	57.50	55.70	56.50	56.50	-0.35%	53,128,570
Mar 23, 2026	56.00	57.00	55.70	56.70	56.70	-1.90%	63,418,150