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United Microelectronics Corporation (UMC)
NYSE: UMC · Real-Time Price · USD
25.58
-2.15 (-7.75%)
At close: Jun 26, 2026, 4:00 PM EDT
25.34
-0.24 (-0.94%)
After-hours: Jun 26, 2026, 7:59 PM EDT

United Microelectronics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 202625.4826.0924.8725.5825.58-7.75%18,770,819
Jun 25, 202628.2428.9627.3427.7327.73-1.00%20,917,859
Jun 24, 202626.4028.6626.4028.0128.016.91%23,757,322
Jun 23, 202625.9226.7025.8826.2026.20-4.73%25,485,600
Jun 22, 202626.9028.2826.8027.5027.5014.20%26,221,765
Jun 18, 202623.6324.1723.1024.0824.0810.66%26,076,607
Jun 17, 202622.2722.5321.7521.7621.760.65%13,544,957
Jun 16, 202622.4622.6821.5921.6221.62-6.33%15,832,373
Jun 15, 202622.5523.3622.3823.0823.086.70%15,896,738
Jun 12, 202620.8021.7820.6121.6321.634.59%14,494,235
Jun 11, 202619.8620.8519.8420.6820.689.42%20,591,997
Jun 10, 202619.0319.7118.8018.9018.90-4.93%20,213,198
Jun 9, 202620.4920.8018.7019.8819.88-0.60%23,726,732
Jun 8, 202620.2920.5819.6520.0020.001.52%16,518,499
Jun 5, 202620.5520.7019.6419.7019.70-5.24%31,748,362
Jun 4, 202620.2220.9819.9120.7920.79-2.94%16,136,748
Jun 3, 202621.1121.5020.5821.4221.42-4.63%15,645,736
Jun 2, 202622.3422.5121.8722.4622.46-1.88%14,968,290
Jun 1, 202622.9723.0222.1422.8922.893.20%11,470,032
May 29, 202622.6422.8421.9922.1822.18-2.20%14,540,736
May 28, 202622.3823.2021.7622.6822.682.07%15,902,673
May 27, 202623.6623.6921.6822.2222.225.41%27,189,879
May 26, 202621.0321.5220.5021.0821.0815.70%26,696,425
May 22, 202618.0818.3017.9818.2218.22-0.71%10,036,396
May 21, 202618.1218.4518.0118.3518.354.50%12,092,544
May 20, 202617.3117.6117.1217.5617.56-0.11%13,536,304
May 19, 202617.4218.1017.3017.5817.582.69%19,691,237
May 18, 202617.6017.7516.8817.1217.12-0.47%20,516,986
May 15, 202616.9017.4316.8417.2017.200.41%15,922,842
May 14, 202616.8617.3216.0017.1317.137.60%17,559,755
May 13, 202615.5816.1415.5715.9215.92-0.87%11,526,657
May 12, 202616.1716.3015.5016.0616.063.01%19,760,232
May 11, 202615.6515.9015.3915.5915.591.10%13,858,566
May 8, 202614.5215.4514.4315.4215.421.72%14,785,162
May 7, 202615.2415.4515.0215.1615.16-0.46%16,029,124
May 6, 202615.2915.4514.7015.2315.238.71%30,100,122
May 5, 202613.5014.2213.4214.0114.017.94%23,357,494
May 4, 202613.1713.3712.8912.9812.98-0.54%9,248,335
May 1, 202613.0313.2012.9613.0513.05-0.08%8,407,605
Apr 30, 202612.4513.1312.4513.0613.062.43%15,475,555
Apr 29, 202612.4313.3912.1012.7512.759.35%25,368,597
Apr 28, 202611.6911.8911.5711.6611.66-0.26%12,220,848
Apr 27, 202611.5811.7911.4611.6911.69-4.80%12,884,420
Apr 24, 202612.1812.3212.1212.2812.282.33%10,979,204
Apr 23, 202611.9712.1011.8212.0012.00-5.59%10,655,422
Apr 22, 202612.6312.8212.5812.7112.713.08%10,053,688
Apr 21, 202612.1812.4412.0512.3312.33-2.45%13,172,438
Apr 20, 202612.4912.7412.2112.6412.648.40%22,647,161
Apr 17, 202611.8511.8611.4111.6611.669.79%20,922,392
Apr 16, 202610.4710.7410.4110.6210.626.73%11,609,123
Apr 15, 20269.919.969.809.959.953.75%7,029,255
Apr 14, 20269.699.709.529.599.59-1.13%5,458,835
Apr 13, 20269.539.729.469.709.70-0.41%7,030,873
Apr 10, 20269.819.859.709.749.742.20%6,704,807
Apr 9, 20269.379.549.379.539.530.63%7,807,524
Apr 8, 20269.469.619.389.479.471.72%12,162,419
Apr 7, 20269.099.318.989.319.317.13%16,941,432
Apr 6, 20268.708.758.658.698.690.23%5,440,243
Apr 2, 20268.298.698.298.678.67-3.34%7,662,975
Apr 1, 20269.019.118.958.978.97-0.11%7,814,220
Mar 31, 20268.929.048.758.988.984.30%10,412,400
Mar 30, 20268.918.978.598.618.61-2.93%12,277,687
Mar 27, 20269.029.058.878.878.87-1.66%8,178,037
Mar 26, 20269.139.148.899.029.02-3.11%8,801,957
Mar 25, 20269.399.409.269.319.312.87%6,822,851
Mar 24, 20268.989.088.909.059.05-0.44%8,452,193
Mar 23, 20269.119.269.069.099.09-0.33%7,752,661
Mar 20, 20269.069.148.989.129.12-1.51%11,090,319
Mar 19, 20269.009.318.999.269.26-0.43%6,562,925
Mar 18, 20269.539.539.299.309.30-2.31%8,057,530
Mar 17, 20269.499.579.469.529.520.53%4,438,520
Mar 16, 20269.509.589.469.479.472.16%5,426,161
Mar 13, 20269.449.519.239.279.27-0.86%5,228,106
Mar 12, 20269.509.529.289.359.35-3.61%9,027,650
Mar 11, 20269.739.909.709.709.702.32%5,925,192
Mar 10, 20269.619.669.469.489.48-2.57%8,597,421
Mar 9, 20269.399.759.369.739.731.35%14,962,556
Mar 6, 20269.699.799.559.609.60-1.54%9,250,971
Mar 5, 20269.859.989.559.759.75-1.32%7,233,414
Mar 4, 20269.909.969.779.889.88-0.20%7,144,244
Mar 3, 20269.8710.019.819.909.90-5.80%13,527,383
Mar 2, 202610.2710.5310.2610.5110.510.67%4,965,279
Feb 27, 202610.2610.4610.1810.4410.441.36%4,661,947
Feb 26, 202610.6210.6210.1810.3010.30-2.37%8,986,676
Feb 25, 202610.5010.6410.4310.5510.55-3.39%6,630,768
Feb 24, 202610.9311.0410.8910.9210.924.80%6,955,132
Feb 23, 202610.4010.5310.3310.4210.420.19%6,005,860
Feb 20, 202610.1310.4710.1310.4010.402.67%8,402,038
Feb 19, 202610.2310.2410.0710.1310.13-0.98%3,988,069
Feb 18, 202610.2510.3710.1910.2310.23-0.39%6,501,111
Feb 17, 202610.2710.3310.1510.2710.27-1.44%6,634,317
Feb 13, 202610.2810.4910.2810.4210.421.26%8,147,367
Feb 12, 202610.4410.4410.1810.2910.29-0.10%9,376,690
Feb 11, 202610.1110.3510.0410.3010.303.94%9,197,424
Feb 10, 202610.0010.079.909.919.91-1.39%7,082,727
Feb 9, 202610.0010.179.9310.0510.05-0.10%8,127,183
Feb 6, 202610.0610.209.9910.0610.060.90%14,596,470
Feb 5, 20269.7510.039.719.979.970.20%11,102,092
Feb 4, 202610.0210.129.789.959.951.02%14,215,543
Feb 3, 20269.819.899.659.859.85-1.89%13,426,607