NYSE : UMC
United Microelectronics Corporation — Price history
Technology · Semiconductors · Taiwan
Last price 18.04 USD (Oct 29, 2026, 4:00 PM EDT) · Market cap 42.90B
Overview · Financial statements · Key statistics · Dividends · Company profile · Price history · Reports
Price history
United Microelectronics Corporation (UMC) closed at 16.39 USD on 2026-11-02. Daily open, high, low, close and volume for recent sessions:
| Date | Open | High | Low | Close | Volume | Change |
|---|---|---|---|---|---|---|
| 2026-11-02 | 16.91 | 16.96 | 16.34 | 16.39 | 10,928,099 | -1.74% |
| 2026-10-30 | 16.97 | 17.06 | 16.27 | 16.68 | 24,245,546 | -7.54% |
| 2026-10-29 | 17.71 | 18.305 | 17.527 | 18.04 | 12,521,509 | -4.14% |
| 2026-10-28 | 19.12 | 19.28 | 18.62 | 18.82 | 13,764,788 | -3.24% |
| 2026-10-27 | 19.2 | 19.49 | 18.885 | 19.45 | 10,879,805 | +1.41% |
| 2026-10-26 | 18.91 | 19.345 | 18.765 | 19.18 | 7,379,995 | +1.54% |
| 2026-10-23 | 18.66 | 19 | 18.525 | 18.89 | 7,157,464 | +1.94% |
| 2026-10-22 | 19.07 | 19.165 | 18.31 | 18.53 | 17,606,452 | -6.51% |
| 2026-10-21 | 19.9 | 19.98 | 19.63 | 19.82 | 8,297,025 | +0.76% |
| 2026-10-20 | 19.5 | 19.98 | 19.345 | 19.67 | 9,305,173 | -2.04% |
| 2026-10-19 | 20.55 | 20.599 | 19.97 | 20.08 | 8,358,022 | +1.31% |
| 2026-10-16 | 20.65 | 20.65 | 19.74 | 19.82 | 12,896,650 | -5.26% |
| 2026-10-15 | 20.48 | 20.97 | 20.245 | 20.92 | 14,104,144 | -2.24% |
| 2026-10-14 | 21.85 | 22.05 | 21.34 | 21.4 | 12,760,225 | -4.42% |
| 2026-10-13 | 21.95 | 22.4 | 21.8 | 22.39 | 8,641,650 | -0.71% |
| 2026-10-12 | 22.74 | 22.74 | 22.305 | 22.55 | 7,051,875 | -1.79% |
| 2026-10-09 | 23.19 | 23.28 | 22.84 | 22.96 | 5,186,035 | +0.61% |
| 2026-10-08 | 23.14 | 23.32 | 22.505 | 22.82 | 11,893,266 | -2.10% |
| 2026-10-07 | 22.91 | 23.34 | 22.85 | 23.31 | 7,426,054 | +0.52% |
| 2026-10-06 | 23.54 | 23.67 | 23.05 | 23.19 | 14,996,059 | -3.05% |
| 2026-10-05 | 23.82 | 24.15 | 23.255 | 23.92 | 31,665,577 | -8.95% |
| 2026-10-02 | 25.67 | 26.365 | 25.52 | 26.27 | 10,015,232 | +4.20% |
| 2026-10-01 | 24.85 | 25.34 | 24.67 | 25.21 | 7,412,801 | +2.94% |
| 2026-09-30 | 24.45 | 24.685 | 24.35 | 24.49 | 6,823,806 | -0.93% |
| 2026-09-29 | 24.43 | 25.015 | 24.11 | 24.72 | 10,844,333 | +3.65% |
| 2026-09-28 | 24.08 | 24.21 | 23.415 | 23.85 | 7,041,574 | -1.89% |
| 2026-09-25 | 24.25 | 24.54 | 24.12 | 24.31 | 5,899,383 | +0.87% |
| 2026-09-24 | 24.11 | 24.35 | 23.8 | 24.1 | 6,665,704 | -2.35% |
| 2026-09-23 | 25.28 | 25.38 | 24.41 | 24.68 | 10,412,814 | -4.23% |
| 2026-09-22 | 25.26 | 25.8 | 25.13 | 25.77 | 8,333,057 | +1.34% |
| 2026-09-21 | 24.925 | 25.63 | 24.64 | 25.43 | 10,965,577 | +3.33% |
| 2026-09-18 | 24.45 | 24.71 | 23.88 | 24.61 | 28,981,372 | +0.57% |
| 2026-09-17 | 23.51 | 24.545 | 23.3 | 24.47 | 17,699,474 | +8.61% |
| 2026-09-16 | 22.49 | 22.84 | 22.245 | 22.53 | 10,065,254 | +4.26% |
| 2026-09-15 | 21.89 | 22.055 | 21.59 | 21.61 | 8,235,715 | -1.32% |
| 2026-09-14 | 22.08 | 22.255 | 21.811 | 21.9 | 16,298,600 | -3.27% |
| 2026-09-11 | 22.41 | 22.715 | 22.32 | 22.64 | 7,172,008 | +2.35% |
| 2026-09-10 | 21.94 | 22.28 | 21.84 | 22.12 | 10,118,888 | -2.51% |
| 2026-09-09 | 22.02 | 22.7 | 21.93 | 22.69 | 9,794,694 | +3.99% |
| 2026-09-08 | 21.58 | 22.2 | 21.58 | 21.82 | 11,521,093 | +5.06% |
| 2026-09-04 | 20.48 | 21.03 | 20.33 | 20.77 | 9,960,542 | +4.58% |
| 2026-09-03 | 19.57 | 19.95 | 19.45 | 19.86 | 5,941,307 | -0.55% |
| 2026-09-02 | 19.54 | 20.135 | 19.486 | 19.97 | 8,748,368 | -2.44% |
| 2026-09-01 | 20.43 | 20.84 | 20.19 | 20.47 | 17,836,155 | +2.97% |
| 2026-08-31 | 20 | 20.31 | 19.735 | 19.88 | 8,830,560 | +0.45% |
| 2026-08-28 | 20.65 | 20.78 | 19.59 | 19.79 | 19,171,757 | +3.78% |
| 2026-08-27 | 18.8 | 19.08 | 18.68 | 19.07 | 9,116,097 | +0.21% |
| 2026-08-26 | 19.41 | 19.46 | 18.84 | 19.03 | 6,089,635 | -2.91% |
| 2026-08-25 | 19.5 | 20 | 19.42 | 19.6 | 10,102,301 | +2.89% |
| 2026-08-24 | 19.5 | 19.5 | 18.77 | 19.05 | 14,180,653 | +3.87% |
| 2026-08-21 | 18.45 | 18.605 | 18.275 | 18.34 | 5,928,772 | +1.89% |
| 2026-08-20 | 18.03 | 18.235 | 17.88 | 18 | 9,860,935 | -0.66% |
| 2026-08-19 | 18.8 | 18.97 | 17.965 | 18.12 | 11,825,605 | -1.95% |
| 2026-08-18 | 18.56 | 18.76 | 18.14 | 18.48 | 15,922,275 | -5.38% |
| 2026-08-17 | 19.38 | 19.77 | 19.27 | 19.53 | 7,622,573 | +1.98% |
| 2026-08-14 | 18.94 | 19.17 | 18.75 | 19.15 | 7,134,650 | -1.19% |
| 2026-08-13 | 19.25 | 19.72 | 19.225 | 19.38 | 7,645,172 | +0.36% |
| 2026-08-12 | 19.67 | 19.67 | 19.3 | 19.31 | 10,475,194 | +1.95% |
| 2026-08-11 | 19.35 | 19.449 | 18.91 | 18.94 | 7,485,604 | +0.80% |
| 2026-08-10 | 19.27 | 19.35 | 18.77 | 18.79 | 9,060,318 | +0.37% |
| 2026-08-07 | 18.59 | 18.82 | 18.175 | 18.72 | 13,316,627 | -2.50% |
| 2026-08-06 | 18.9 | 19.565 | 18.73 | 19.2 | 11,944,826 | -0.47% |
| 2026-08-05 | 19.66 | 19.945 | 19.2 | 19.29 | 14,254,336 | -6.50% |
| 2026-08-04 | 19.78 | 20.85 | 19.59 | 20.63 | 20,030,932 | +10.38% |
| 2026-08-03 | 17.69 | 18.76 | 17.49 | 18.69 | 12,054,476 | -1.79% |
| 2026-07-31 | 19.78 | 20.08 | 18.82 | 19.03 | 15,217,801 | +0.48% |
| 2026-07-30 | 17.53 | 19.02 | 17.53 | 18.94 | 23,250,080 | +10.70% |
| 2026-07-29 | 17.05 | 18.13 | 16.96 | 17.11 | 24,621,817 | -1.44% |
| 2026-07-28 | 16.9 | 17.7 | 16.54 | 17.36 | 26,420,527 | -9.01% |
| 2026-07-27 | 20.03 | 20.15 | 18.565 | 19.08 | 14,178,472 | -2.05% |
| 2026-07-24 | 19.84 | 20.08 | 18.97 | 19.48 | 16,397,829 | -6.66% |
| 2026-07-23 | 20.72 | 21.105 | 20.435 | 20.87 | 9,174,700 | -1.97% |
| 2026-07-22 | 21 | 21.595 | 20.99 | 21.29 | 7,335,615 | +0.47% |
| 2026-07-21 | 21.505 | 21.505 | 20.885 | 21.19 | 17,340,378 | +4.38% |
| 2026-07-20 | 20.685 | 21.23 | 20.265 | 20.3 | 11,848,462 | -4.47% |
| 2026-07-17 | 20.545 | 21.735 | 20.161 | 21.25 | 20,761,250 | -4.67% |
| 2026-07-16 | 22.73 | 23.2 | 22.06 | 22.29 | 20,879,307 | -10.55% |
| 2026-07-15 | 25.6 | 25.8 | 24.21 | 24.92 | 15,692,122 | +4.53% |
| 2026-07-14 | 24.17 | 24.4 | 23.57 | 23.84 | 13,168,833 | +1.62% |
| 2026-07-13 | 23.56 | 23.729 | 23.01 | 23.46 | 18,469,835 | -3.62% |
| 2026-07-10 | 24.39 | 24.63 | 23.771 | 24.34 | 6,695,081 | -2.09% |
| 2026-07-09 | 25.02 | 25.485 | 24.65 | 24.86 | 11,953,735 | +0.53% |
| 2026-07-08 | 24.41 | 25.04 | 24.035 | 24.73 | 14,127,560 | +5.17% |
| 2026-07-07 | 24.1 | 24.47 | 23.34 | 23.83 | 21,687,918 | -7.74% |
| 2026-07-06 | 25.7 | 26.78 | 25.59 | 25.83 | 13,180,631 | +5.26% |
| 2026-07-02 | 26.06 | 26.29 | 24.145 | 24.54 | 21,014,028 | -4.55% |
| 2026-07-01 | 26.39 | 26.662 | 25.68 | 25.71 | 19,750,319 | -5.51% |
| 2026-06-30 | 26.33 | 27.27 | 26.14 | 27.21 | 14,475,715 | +1.38% |
| 2026-06-29 | 25.7 | 26.86 | 24.82 | 26.84 | 11,871,422 | +4.93% |
| 2026-06-26 | 25.48 | 26.09 | 24.87 | 25.58 | 19,297,927 | -7.75% |
| 2026-06-25 | 28.24 | 28.96 | 27.335 | 27.73 | 20,957,135 | -1.00% |
| 2026-06-24 | 26.4 | 28.66 | 26.4 | 28.01 | 24,354,599 | +6.91% |
| 2026-06-23 | 25.92 | 26.7 | 25.88 | 26.2 | 25,943,473 | -4.73% |
| 2026-06-22 | 26.9 | 28.275 | 26.8 | 27.5 | 26,322,090 | +14.20% |
| 2026-06-18 | 23.63 | 24.165 | 23.1 | 24.08 | 26,913,568 | +10.66% |
| 2026-06-17 | 22.27 | 22.53 | 21.745 | 21.76 | 13,622,498 | +0.65% |
| 2026-06-16 | 22.46 | 22.68 | 21.59 | 21.62 | 16,464,386 | -6.33% |
| 2026-06-15 | 22.55 | 23.36 | 22.38 | 23.08 | 15,920,026 | +6.70% |
| 2026-06-12 | 20.8 | 21.78 | 20.61 | 21.63 | 16,400,361 | +4.59% |
| 2026-06-11 | 19.86 | 20.845 | 19.84 | 20.68 | 20,628,674 | +9.42% |
| 2026-06-10 | 19.03 | 19.71 | 18.8 | 18.9 | 20,239,040 | -4.93% |
| 2026-06-09 | 20.49 | 20.8 | 18.695 | 19.88 | 23,741,830 | -0.60% |
| 2026-06-08 | 20.29 | 20.575 | 19.65 | 20 | 16,800,830 | +1.52% |
| 2026-06-05 | 20.55 | 20.7 | 19.64 | 19.7 | 32,089,655 | -5.24% |
| 2026-06-04 | 20.22 | 20.975 | 19.91 | 20.79 | 17,539,726 | -2.94% |
| 2026-06-03 | 21.11 | 21.5 | 20.58 | 21.42 | 16,532,121 | -4.63% |
| 2026-06-02 | 22.34 | 22.505 | 21.87 | 22.46 | 15,033,144 | -1.88% |
| 2026-06-01 | 22.97 | 23.02 | 22.135 | 22.89 | 11,502,971 | +3.20% |
| 2026-05-29 | 22.64 | 22.835 | 21.985 | 22.18 | 14,650,528 | -2.20% |
| 2026-05-28 | 22.38 | 23.2 | 21.76 | 22.68 | 16,065,899 | +2.07% |
| 2026-05-27 | 23.66 | 23.69 | 21.68 | 22.22 | 27,433,620 | +5.41% |
| 2026-05-26 | 21.03 | 21.515 | 20.5 | 21.08 | 26,752,023 | +15.70% |
| 2026-05-22 | 18.08 | 18.3 | 17.98 | 18.22 | 10,045,470 | -0.71% |
| 2026-05-21 | 18.12 | 18.45 | 18.01 | 18.35 | 12,137,431 | +4.50% |
| 2026-05-20 | 17.31 | 17.61 | 17.12 | 17.56 | 13,552,694 | -0.11% |
| 2026-05-19 | 17.42 | 18.1 | 17.3 | 17.58 | 19,734,399 | +2.69% |
| 2026-05-18 | 17.6 | 17.745 | 16.875 | 17.12 | 20,562,787 | -0.47% |
| 2026-05-15 | 16.9 | 17.43 | 16.835 | 17.2 | 15,989,809 | +0.41% |
| 2026-05-14 | 16.86 | 17.32 | 16 | 17.13 | 17,559,755 | +7.60% |
| 2026-05-13 | 15.58 | 16.135 | 15.57 | 15.92 | 11,526,657 | -0.87% |