United Microelectronics (UMC) — Price History
As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.
Daily prices
| Date | Open | High | Low | Close | Chg % | Volume |
|---|---|---|---|---|---|---|
| 2026-08-07 | 18.59 | 18.82 | 18.18 | 18.72 | -2.50% | 13,365,400 |
| 2026-08-06 | 18.90 | 19.57 | 18.73 | 19.20 | -0.47% | 11,956,800 |
| 2026-08-05 | 19.66 | 19.95 | 19.20 | 19.29 | -6.50% | 15,095,900 |
| 2026-08-04 | 19.78 | 20.85 | 19.59 | 20.63 | +10.38% | 20,080,600 |
| 2026-08-03 | 17.69 | 18.76 | 17.49 | 18.69 | -1.79% | 12,063,300 |
| 2026-07-31 | 19.78 | 20.08 | 18.82 | 19.03 | +0.48% | 16,738,100 |
| 2026-07-30 | 17.53 | 19.02 | 17.53 | 18.94 | +10.70% | 24,763,000 |
| 2026-07-29 | 17.05 | 18.13 | 16.96 | 17.11 | -1.44% | 24,695,100 |
| 2026-07-28 | 16.90 | 17.70 | 16.54 | 17.36 | -9.01% | 26,577,200 |
| 2026-07-27 | 20.03 | 20.15 | 18.57 | 19.08 | -2.05% | 15,477,300 |
| 2026-07-24 | 19.84 | 20.08 | 18.97 | 19.48 | -6.66% | 16,398,900 |
| 2026-07-23 | 20.72 | 21.11 | 20.44 | 20.87 | -1.97% | 9,189,500 |
| 2026-07-22 | 21.00 | 21.60 | 20.99 | 21.29 | +0.47% | 7,356,200 |
| 2026-07-21 | 21.51 | 21.51 | 20.89 | 21.19 | +4.38% | 17,368,100 |
| 2026-07-20 | 20.69 | 21.23 | 20.27 | 20.30 | -4.47% | 15,356,000 |
| 2026-07-17 | 20.55 | 21.74 | 20.16 | 21.25 | -4.67% | 20,772,500 |
| 2026-07-16 | 22.73 | 23.20 | 22.06 | 22.29 | -10.55% | 20,901,631 |
| 2026-07-15 | 25.60 | 25.80 | 24.21 | 24.92 | +4.53% | 15,708,500 |
| 2026-07-14 | 24.17 | 24.40 | 23.57 | 23.84 | +1.62% | 13,175,610 |
| 2026-07-13 | 23.56 | 23.73 | 23.01 | 23.46 | -3.62% | 21,656,779 |
| 2026-07-10 | 24.39 | 24.63 | 23.77 | 24.34 | -2.09% | 6,715,400 |
| 2026-07-09 | 25.02 | 25.49 | 24.65 | 24.86 | +0.53% | 11,973,500 |
| 2026-07-08 | 24.41 | 25.04 | 24.04 | 24.73 | +3.78% | 17,212,400 |
| 2026-07-07 | 24.10 | 24.47 | 23.34 | 23.83 | -7.74% | 24,568,000 |
| 2026-07-06 | 25.70 | 26.78 | 25.59 | 25.83 | +5.26% | 13,180,600 |
| 2026-07-02 | 26.06 | 26.29 | 24.15 | 24.54 | -4.55% | 21,004,300 |
| 2026-07-01 | 26.39 | 26.66 | 25.68 | 25.71 | -5.51% | 19,750,300 |
| 2026-06-30 | 26.33 | 27.27 | 26.14 | 27.21 | +1.38% | 14,475,700 |
| 2026-06-29 | 25.70 | 26.86 | 24.82 | 26.84 | +4.93% | 11,871,400 |
| 2026-06-26 | 25.48 | 26.09 | 24.87 | 25.58 | -7.75% | 19,297,900 |
| 2026-06-25 | 28.24 | 28.96 | 27.34 | 27.73 | -1.00% | 20,939,800 |
| 2026-06-24 | 26.40 | 28.66 | 26.40 | 28.01 | +6.91% | 24,354,600 |
| 2026-06-23 | 25.92 | 26.70 | 25.88 | 26.20 | -4.73% | 25,943,500 |
| 2026-06-22 | 26.90 | 28.28 | 26.80 | 27.50 | +14.20% | 26,322,100 |
| 2026-06-18 | 23.63 | 24.17 | 23.10 | 24.08 | +10.66% | 26,913,600 |
| 2026-06-17 | 22.27 | 22.53 | 21.75 | 21.76 | +0.65% | 13,622,500 |
| 2026-06-16 | 22.46 | 22.68 | 21.59 | 21.62 | -6.33% | 16,464,400 |
| 2026-06-15 | 22.55 | 23.36 | 22.38 | 23.08 | +6.70% | 15,920,000 |
| 2026-06-12 | 20.80 | 21.78 | 20.61 | 21.63 | +4.59% | 16,400,400 |
| 2026-06-11 | 19.86 | 20.85 | 19.84 | 20.68 | +9.42% | 20,628,700 |
| 2026-06-10 | 19.03 | 19.71 | 18.80 | 18.90 | -4.93% | 20,239,000 |
| 2026-06-09 | 20.49 | 20.80 | 18.70 | 19.88 | -0.60% | 23,741,800 |
| 2026-06-08 | 20.29 | 20.58 | 19.65 | 20.00 | +1.52% | 16,800,800 |
| 2026-06-05 | 20.55 | 20.70 | 19.64 | 19.70 | -5.24% | 32,089,700 |
| 2026-06-04 | 20.22 | 20.98 | 19.91 | 20.79 | -2.94% | 17,539,700 |
| 2026-06-03 | 21.11 | 21.50 | 20.58 | 21.42 | -4.63% | 16,532,100 |
| 2026-06-02 | 22.34 | 22.51 | 21.87 | 22.46 | -1.88% | 15,033,100 |
| 2026-06-01 | 22.97 | 23.02 | 22.14 | 22.89 | +3.20% | 11,503,000 |
| 2026-05-29 | 22.64 | 22.84 | 21.99 | 22.18 | -2.20% | 14,650,500 |
| 2026-05-28 | 22.38 | 23.20 | 21.76 | 22.68 | +2.07% | 16,065,900 |
| 2026-05-27 | 23.66 | 23.69 | 21.68 | 22.22 | +5.41% | 27,433,600 |
| 2026-05-26 | 21.03 | 21.52 | 20.50 | 21.08 | +15.70% | 26,752,000 |
| 2026-05-22 | 18.08 | 18.30 | 17.98 | 18.22 | -0.71% | 10,041,700 |
| 2026-05-21 | 18.12 | 18.45 | 18.01 | 18.35 | +4.50% | 12,137,400 |
| 2026-05-20 | 17.31 | 17.61 | 17.12 | 17.56 | -0.11% | 13,552,700 |
| 2026-05-19 | 17.42 | 18.10 | 17.30 | 17.58 | +2.69% | 19,734,400 |
| 2026-05-18 | 17.60 | 17.75 | 16.88 | 17.12 | -0.47% | 20,562,800 |
| 2026-05-15 | 16.90 | 17.43 | 16.84 | 17.20 | +0.41% | 15,989,800 |
| 2026-05-14 | 16.86 | 17.32 | 16.00 | 17.13 | +7.60% | 17,559,800 |
| 2026-05-13 | 15.58 | 16.14 | 15.57 | 15.92 | -0.87% | 11,526,700 |
| 2026-05-12 | 16.17 | 16.30 | 15.50 | 16.06 | +3.01% | 19,760,200 |
| 2026-05-11 | 15.65 | 15.90 | 15.39 | 15.59 | +1.10% | 13,858,600 |
| 2026-05-08 | 14.52 | 15.45 | 14.43 | 15.42 | +1.72% | 14,785,200 |
| 2026-05-07 | 15.24 | 15.45 | 15.02 | 15.16 | -0.46% | 16,029,100 |
| 2026-05-06 | 15.29 | 15.45 | 14.70 | 15.23 | +8.71% | 30,100,100 |
| 2026-05-05 | 13.50 | 14.22 | 13.42 | 14.01 | +7.94% | 23,357,500 |
| 2026-05-04 | 13.17 | 13.37 | 12.89 | 12.98 | -0.54% | 9,248,300 |
| 2026-05-01 | 13.03 | 13.20 | 12.96 | 13.05 | -0.08% | 8,407,600 |
| 2026-04-30 | 12.45 | 13.13 | 12.45 | 13.06 | +2.43% | 15,475,600 |
| 2026-04-29 | 12.43 | 13.39 | 12.10 | 12.75 | +9.35% | 25,368,600 |
| 2026-04-28 | 11.69 | 11.89 | 11.57 | 11.66 | -0.26% | 12,220,800 |
| 2026-04-27 | 11.58 | 11.79 | 11.46 | 11.69 | -4.80% | 12,884,400 |
| 2026-04-24 | 12.18 | 12.32 | 12.12 | 12.28 | +2.33% | 10,979,200 |
| 2026-04-23 | 11.97 | 12.10 | 11.82 | 12.00 | -5.59% | 10,655,400 |
| 2026-04-22 | 12.63 | 12.82 | 12.58 | 12.71 | +3.08% | 10,053,700 |
| 2026-04-21 | 12.18 | 12.44 | 12.05 | 12.33 | -2.45% | 13,172,400 |
| 2026-04-20 | 12.49 | 12.74 | 12.21 | 12.64 | +8.40% | 22,647,200 |
| 2026-04-17 | 11.85 | 11.86 | 11.41 | 11.66 | +9.79% | 20,922,400 |
| 2026-04-16 | 10.47 | 10.74 | 10.41 | 10.62 | +6.73% | 11,609,100 |
| 2026-04-15 | 9.91 | 9.96 | 9.80 | 9.95 | +3.75% | 7,029,300 |
| 2026-04-14 | 9.69 | 9.70 | 9.52 | 9.59 | -1.13% | 5,458,400 |
| 2026-04-13 | 9.53 | 9.72 | 9.46 | 9.70 | -0.41% | 7,030,900 |
| 2026-04-10 | 9.81 | 9.85 | 9.70 | 9.74 | +2.20% | 6,704,800 |
| 2026-04-09 | 9.37 | 9.54 | 9.37 | 9.53 | +0.63% | 7,807,500 |
| 2026-04-08 | 9.46 | 9.61 | 9.38 | 9.47 | +1.72% | 12,162,400 |
| 2026-04-07 | 9.09 | 9.31 | 8.98 | 9.31 | +7.13% | 16,941,400 |
| 2026-04-06 | 8.70 | 8.75 | 8.65 | 8.69 | +0.23% | 5,440,200 |
| 2026-04-02 | 8.29 | 8.69 | 8.29 | 8.67 | -3.34% | 7,663,000 |
| 2026-04-01 | 9.01 | 9.11 | 8.95 | 8.97 | -0.11% | 7,814,200 |
| 2026-03-31 | 8.92 | 9.04 | 8.75 | 8.98 | +4.30% | 10,412,400 |
| 2026-03-30 | 8.91 | 8.97 | 8.59 | 8.61 | -2.93% | 12,277,700 |
| 2026-03-27 | 9.02 | 9.05 | 8.87 | 8.87 | -1.66% | 8,178,000 |
| 2026-03-26 | 9.13 | 9.14 | 8.89 | 9.02 | -3.11% | 8,802,000 |
| 2026-03-25 | 9.39 | 9.40 | 9.26 | 9.31 | +2.87% | 6,822,500 |
| 2026-03-24 | 8.98 | 9.08 | 8.90 | 9.05 | -0.44% | 8,451,800 |
| 2026-03-23 | 9.11 | 9.26 | 9.06 | 9.09 | -0.33% | 7,752,400 |
| 2026-03-20 | 9.06 | 9.14 | 8.98 | 9.12 | -1.51% | 11,090,300 |
| 2026-03-19 | 9.00 | 9.31 | 8.99 | 9.26 | -0.43% | 6,562,900 |
| 2026-03-18 | 9.53 | 9.53 | 9.29 | 9.30 | -2.31% | 8,057,300 |
| 2026-03-17 | 9.49 | 9.57 | 9.46 | 9.52 | +0.53% | 4,438,500 |
| 2026-03-16 | 9.50 | 9.58 | 9.46 | 9.47 | +2.16% | 5,426,200 |
| 2026-03-13 | 9.44 | 9.51 | 9.23 | 9.27 | -0.86% | 5,228,100 |
| 2026-03-12 | 9.50 | 9.52 | 9.28 | 9.35 | -3.61% | 9,027,700 |
| 2026-03-11 | 9.73 | 9.90 | 9.70 | 9.70 | +2.32% | 5,921,900 |
| 2026-03-10 | 9.61 | 9.66 | 9.46 | 9.48 | -2.57% | 8,597,400 |
| 2026-03-09 | 9.39 | 9.75 | 9.36 | 9.73 | +1.35% | 14,962,600 |
| 2026-03-06 | 9.69 | 9.79 | 9.55 | 9.60 | -1.54% | 9,251,000 |
| 2026-03-05 | 9.85 | 9.98 | 9.55 | 9.75 | -1.32% | 7,232,100 |
| 2026-03-04 | 9.90 | 9.96 | 9.77 | 9.88 | -0.20% | 7,144,200 |
| 2026-03-03 | 9.87 | 10.01 | 9.81 | 9.90 | -5.80% | 13,527,400 |
| 2026-03-02 | 10.27 | 10.53 | 10.26 | 10.51 | +0.67% | 4,965,300 |
| 2026-02-27 | 10.26 | 10.46 | 10.18 | 10.44 | +1.36% | 4,661,600 |
| 2026-02-26 | 10.62 | 10.62 | 10.18 | 10.30 | -2.37% | 8,986,300 |
| 2026-02-25 | 10.50 | 10.64 | 10.43 | 10.55 | -3.39% | 6,630,800 |
| 2026-02-24 | 10.93 | 11.04 | 10.89 | 10.92 | +4.80% | 6,955,100 |
| 2026-02-23 | 10.40 | 10.53 | 10.33 | 10.42 | +0.19% | 6,005,600 |
| 2026-02-20 | 10.13 | 10.47 | 10.13 | 10.40 | +2.67% | 8,402,000 |
| 2026-02-19 | 10.23 | 10.24 | 10.07 | 10.13 | -0.98% | 3,988,100 |
| 2026-02-18 | 10.25 | 10.37 | 10.19 | 10.23 | -0.39% | 6,501,100 |
| 2026-02-17 | 10.27 | 10.33 | 10.15 | 10.27 | -1.44% | 6,634,300 |
| 2026-02-13 | 10.28 | 10.49 | 10.28 | 10.42 | +1.26% | 8,147,100 |
| 2026-02-12 | 10.44 | 10.44 | 10.18 | 10.29 | -0.10% | 9,376,700 |
| 2026-02-11 | 10.11 | 10.35 | 10.04 | 10.30 | +3.94% | 9,197,400 |
| 2026-02-10 | 10.00 | 10.07 | 9.90 | 9.91 | -1.39% | 7,082,300 |
| 2026-02-09 | 10.00 | 10.17 | 9.93 | 10.05 | -0.10% | 8,127,200 |
| 2026-02-06 | 10.06 | 10.20 | 9.99 | 10.06 | +0.90% | 14,596,500 |
| 2026-02-05 | 9.75 | 10.03 | 9.71 | 9.97 | +0.20% | 11,102,100 |
| 2026-02-04 | 10.02 | 10.12 | 9.78 | 9.95 | +1.02% | 14,215,500 |
| 2026-02-03 | 9.81 | 9.89 | 9.65 | 9.85 | -1.89% | 13,435,300 |
| 2026-02-02 | 9.77 | 10.10 | 9.69 | 10.04 | -1.38% | 10,523,000 |
| 2026-01-30 | 10.15 | 10.45 | 10.07 | 10.18 | -3.78% | 17,812,700 |
| 2026-01-29 | 10.71 | 10.79 | 10.37 | 10.58 | -7.03% | 14,392,700 |
| 2026-01-28 | 11.46 | 11.86 | 11.23 | 11.38 | -8.81% | 25,816,700 |
| 2026-01-27 | 12.52 | 12.68 | 12.22 | 12.48 | +10.15% | 26,912,600 |
| 2026-01-26 | 11.20 | 11.42 | 11.13 | 11.33 | +7.50% | 19,391,700 |
| 2026-01-23 | 10.30 | 10.56 | 10.26 | 10.54 | -3.30% | 12,720,200 |
| 2026-01-22 | 10.83 | 10.94 | 10.78 | 10.90 | -2.07% | 8,575,400 |
| 2026-01-21 | 10.85 | 11.20 | 10.85 | 11.13 | +3.25% | 19,442,600 |
| 2026-01-20 | 10.60 | 10.93 | 10.56 | 10.78 | +15.91% | 24,441,200 |
| 2026-01-16 | 9.26 | 9.37 | 9.15 | 9.30 | +6.04% | 14,269,600 |
| 2026-01-15 | 8.87 | 8.94 | 8.76 | 8.77 | -0.23% | 10,913,300 |
| 2026-01-14 | 8.58 | 8.80 | 8.52 | 8.79 | +1.50% | 10,693,100 |
| 2026-01-13 | 8.80 | 8.82 | 8.64 | 8.66 | -2.15% | 7,590,500 |
| 2026-01-12 | 8.76 | 8.89 | 8.76 | 8.85 | +0.68% | 6,418,500 |
| 2026-01-09 | 8.81 | 8.86 | 8.66 | 8.79 | +2.81% | 11,347,200 |
| 2026-01-08 | 8.56 | 8.72 | 8.47 | 8.55 | -4.26% | 11,429,800 |
| 2026-01-07 | 8.91 | 9.11 | 8.78 | 8.93 | +9.98% | 21,011,100 |
| 2026-01-06 | 7.85 | 8.15 | 7.84 | 8.12 | +4.50% | 16,423,400 |
| 2026-01-05 | 7.79 | 7.81 | 7.70 | 7.77 | -0.89% | 10,479,800 |
| 2026-01-02 | 7.85 | 7.90 | 7.76 | 7.84 | -0.25% | 11,607,400 |
| 2025-12-31 | 7.92 | 7.96 | 7.84 | 7.86 | -1.26% | 3,867,900 |
| 2025-12-30 | 7.98 | 8.00 | 7.94 | 7.96 | -0.13% | 2,979,600 |
| 2025-12-29 | 7.92 | 7.97 | 7.90 | 7.97 | -0.62% | 3,628,400 |
| 2025-12-26 | 7.99 | 8.06 | 7.99 | 8.02 | +0.25% | 3,973,000 |
| 2025-12-24 | 7.97 | 8.02 | 7.94 | 8.00 | +0.38% | 5,510,500 |
| 2025-12-23 | 8.04 | 8.05 | 7.92 | 7.97 | -1.97% | 5,376,400 |
| 2025-12-22 | 8.12 | 8.15 | 8.09 | 8.13 | +0.37% | 4,570,100 |
| 2025-12-19 | 8.09 | 8.17 | 8.09 | 8.10 | +0.37% | 13,175,200 |
| 2025-12-18 | 8.05 | 8.12 | 8.01 | 8.07 | +0.88% | 9,020,600 |
| 2025-12-17 | 8.08 | 8.16 | 7.98 | 8.00 | +1.39% | 10,217,400 |
| 2025-12-16 | 7.90 | 7.94 | 7.84 | 7.89 | +0.64% | 8,830,700 |
| 2025-12-15 | 7.92 | 7.95 | 7.83 | 7.84 | -0.38% | 6,915,500 |
| 2025-12-12 | 7.88 | 7.89 | 7.80 | 7.87 | -0.25% | 15,394,700 |
| 2025-12-11 | 7.91 | 7.91 | 7.78 | 7.89 | -1.38% | 8,398,500 |
| 2025-12-10 | 7.97 | 8.05 | 7.95 | 8.00 | -1.11% | 9,227,900 |
| 2025-12-09 | 8.02 | 8.10 | 7.97 | 8.09 | +0.50% | 8,896,800 |
| 2025-12-08 | 8.02 | 8.08 | 7.98 | 8.05 | +0.37% | 8,420,900 |
| 2025-12-05 | 7.90 | 8.06 | 7.88 | 8.02 | +1.91% | 10,655,200 |
| 2025-12-04 | 7.78 | 7.94 | 7.78 | 7.87 | +0.25% | 9,468,300 |
| 2025-12-03 | 7.67 | 7.87 | 7.66 | 7.85 | +0.90% | 9,272,900 |
| 2025-12-02 | 7.55 | 7.80 | 7.55 | 7.78 | +3.32% | 9,487,100 |
| 2025-12-01 | 7.49 | 7.60 | 7.48 | 7.53 | +0.94% | 6,626,300 |
| 2025-11-28 | 7.35 | 7.47 | 7.33 | 7.46 | +1.77% | 5,488,800 |
| 2025-11-26 | 7.31 | 7.43 | 7.28 | 7.33 | +0.83% | 8,087,500 |
| 2025-11-25 | 7.25 | 7.28 | 7.15 | 7.27 | -2.28% | 6,022,200 |
| 2025-11-24 | 7.33 | 7.45 | 7.33 | 7.44 | +2.76% | 9,730,000 |
| 2025-11-21 | 7.19 | 7.31 | 7.11 | 7.24 | +1.69% | 11,543,100 |
| 2025-11-20 | 7.26 | 7.27 | 7.05 | 7.12 | -1.52% | 12,394,800 |
| 2025-11-19 | 7.09 | 7.26 | 7.08 | 7.23 | +2.41% | 8,212,500 |
| 2025-11-18 | 6.99 | 7.12 | 6.99 | 7.06 | +0.57% | 7,756,900 |
| 2025-11-17 | 7.08 | 7.11 | 6.97 | 7.02 | -1.68% | 5,327,600 |
| 2025-11-14 | 7.09 | 7.24 | 7.07 | 7.14 | +0.42% | 5,889,800 |
| 2025-11-13 | 7.22 | 7.23 | 7.07 | 7.11 | -1.80% | 8,149,400 |
| 2025-11-12 | 7.25 | 7.33 | 7.16 | 7.24 | -1.90% | 7,060,000 |
| 2025-11-11 | 7.36 | 7.41 | 7.32 | 7.38 | -0.67% | 7,882,400 |
| 2025-11-10 | 7.43 | 7.45 | 7.34 | 7.43 | +0.27% | 7,134,000 |
| 2025-11-07 | 7.29 | 7.41 | 7.26 | 7.41 | +1.37% | 9,303,400 |
| 2025-11-06 | 7.48 | 7.50 | 7.15 | 7.31 | -5.80% | 10,936,400 |
| 2025-11-05 | 7.63 | 7.86 | 7.63 | 7.76 | +2.11% | 9,446,500 |
| 2025-11-04 | 7.69 | 7.72 | 7.60 | 7.60 | -3.06% | 10,109,100 |
| 2025-11-03 | 7.82 | 7.90 | 7.80 | 7.84 | +1.69% | 7,479,800 |
| 2025-10-31 | 7.61 | 7.85 | 7.57 | 7.71 | +2.39% | 10,153,200 |
| 2025-10-30 | 7.49 | 7.59 | 7.37 | 7.53 | +1.89% | 9,729,600 |
| 2025-10-29 | 7.80 | 7.81 | 7.29 | 7.39 | -3.15% | 12,481,800 |
| 2025-10-28 | 7.55 | 7.68 | 7.52 | 7.63 | +0.79% | 6,728,000 |
| 2025-10-27 | 7.52 | 7.58 | 7.42 | 7.57 | +0.40% | 8,009,300 |
| 2025-10-24 | 7.57 | 7.61 | 7.53 | 7.54 | +0.27% | 7,439,900 |
| 2025-10-23 | 7.35 | 7.55 | 7.35 | 7.52 | +1.90% | 5,612,100 |
| 2025-10-22 | 7.41 | 7.45 | 7.30 | 7.38 | -0.94% | 7,880,500 |
| 2025-10-21 | 7.49 | 7.49 | 7.37 | 7.45 | -0.93% | 6,136,100 |
| 2025-10-20 | 7.57 | 7.58 | 7.52 | 7.52 | +0.67% | 6,255,000 |
| 2025-10-17 | 7.47 | 7.54 | 7.40 | 7.47 | +0.54% | 4,302,400 |
| 2025-10-16 | 7.48 | 7.55 | 7.37 | 7.43 | +0.13% | 6,062,900 |
| 2025-10-15 | 7.42 | 7.45 | 7.33 | 7.42 | +0.27% | 7,918,000 |
| 2025-10-14 | 7.43 | 7.47 | 7.36 | 7.40 | -3.14% | 6,955,800 |
| 2025-10-13 | 7.50 | 7.66 | 7.42 | 7.64 | +6.41% | 11,657,500 |
| 2025-10-10 | 7.48 | 7.50 | 7.18 | 7.18 | -4.01% | 13,243,400 |
| 2025-10-09 | 7.56 | 7.57 | 7.41 | 7.48 | -0.93% | 4,254,200 |
| 2025-10-08 | 7.38 | 7.55 | 7.38 | 7.55 | +3.57% | 6,902,300 |
| 2025-10-07 | 7.45 | 7.49 | 7.27 | 7.29 | -0.82% | 7,424,600 |
| 2025-10-06 | 7.26 | 7.35 | 7.23 | 7.35 | +1.38% | 8,449,900 |
| 2025-10-03 | 7.30 | 7.33 | 7.20 | 7.25 | -0.55% | 5,468,800 |
| 2025-10-02 | 7.30 | 7.35 | 7.26 | 7.29 | -1.62% | 10,389,000 |
| 2025-10-01 | 7.41 | 7.44 | 7.28 | 7.41 | -2.24% | 10,250,000 |
| 2025-09-30 | 7.59 | 7.59 | 7.46 | 7.58 | -0.13% | 8,145,300 |
| 2025-09-29 | 7.58 | 7.66 | 7.56 | 7.59 | +0.66% | 10,447,100 |
| 2025-09-26 | 7.42 | 7.61 | 7.42 | 7.54 | +1.21% | 13,982,900 |
| 2025-09-25 | 7.34 | 7.47 | 7.27 | 7.45 | -0.40% | 8,468,000 |
| 2025-09-24 | 7.40 | 7.49 | 7.38 | 7.48 | +1.49% | 5,624,400 |
| 2025-09-23 | 7.36 | 7.39 | 7.34 | 7.37 | +1.52% | 6,089,800 |
| 2025-09-22 | 7.15 | 7.29 | 7.15 | 7.26 | +1.68% | 6,847,700 |
| 2025-09-19 | 7.12 | 7.16 | 7.08 | 7.14 | +2.15% | 6,828,800 |
| 2025-09-18 | 6.93 | 7.00 | 6.90 | 6.99 | +1.30% | 7,316,500 |
| 2025-09-17 | 6.89 | 6.94 | 6.82 | 6.90 | +1.02% | 4,454,100 |
| 2025-09-16 | 6.86 | 6.89 | 6.83 | 6.83 | -0.29% | 3,098,800 |
| 2025-09-15 | 6.78 | 6.94 | 6.77 | 6.85 | +1.33% | 5,092,900 |
| 2025-09-12 | 6.78 | 6.80 | 6.72 | 6.76 | -0.15% | 3,153,600 |
| 2025-09-11 | 6.80 | 6.82 | 6.76 | 6.77 | -1.02% | 3,545,600 |
| 2025-09-10 | 6.87 | 6.87 | 6.81 | 6.84 | -0.44% | 3,940,900 |
| 2025-09-09 | 6.89 | 6.90 | 6.85 | 6.87 | -0.29% | 2,941,600 |
| 2025-09-08 | 6.80 | 6.89 | 6.80 | 6.89 | +1.32% | 3,034,500 |
| 2025-09-05 | 6.75 | 6.81 | 6.73 | 6.80 | -1.16% | 4,752,100 |
| 2025-09-04 | 6.83 | 6.89 | 6.81 | 6.88 | +3.46% | 5,165,400 |
| 2025-09-03 | 6.64 | 6.69 | 6.64 | 6.65 | +0.45% | 5,187,900 |
| 2025-09-02 | 6.59 | 6.64 | 6.56 | 6.62 | +0.61% | 4,345,100 |
| 2025-08-29 | 6.65 | 6.66 | 6.58 | 6.58 | -1.64% | 6,937,400 |
| 2025-08-28 | 6.68 | 6.70 | 6.65 | 6.69 | -0.45% | 3,272,200 |
| 2025-08-27 | 6.74 | 6.74 | 6.66 | 6.72 | -0.30% | 3,354,400 |
| 2025-08-26 | 6.76 | 6.80 | 6.73 | 6.74 | +1.20% | 5,551,000 |
| 2025-08-25 | 6.68 | 6.70 | 6.64 | 6.66 | -1.62% | 4,044,300 |
| 2025-08-22 | 6.79 | 6.82 | 6.66 | 6.77 | +0.45% | 8,352,800 |
| 2025-08-21 | 6.79 | 6.82 | 6.74 | 6.74 | -1.89% | 3,758,500 |
| 2025-08-20 | 6.89 | 6.91 | 6.78 | 6.87 | +1.03% | 9,430,200 |
| 2025-08-19 | 6.86 | 6.90 | 6.78 | 6.80 | -0.15% | 9,634,300 |
| 2025-08-18 | 6.78 | 6.83 | 6.76 | 6.81 | -1.02% | 5,480,300 |
| 2025-08-15 | 6.85 | 7.24 | 6.81 | 6.88 | -0.15% | 9,589,100 |
| 2025-08-14 | 6.77 | 6.94 | 6.77 | 6.89 | +0.73% | 9,155,500 |
| 2025-08-13 | 6.82 | 6.86 | 6.76 | 6.84 | +0.44% | 7,099,200 |
| 2025-08-12 | 6.78 | 6.82 | 6.74 | 6.81 | +1.34% | 8,249,000 |
| 2025-08-11 | 6.71 | 6.81 | 6.71 | 6.72 | -0.15% | 6,974,300 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: May (+23.62%). Worst month: Jul (-11.34%). Based on 5 years of daily data (2022–2026).
FAQ · from the current price data · as of 2026-08-07
Quick answers
What is United Microelectronics's (UMC) latest close?
18.72 on 2026-08-07, from the Closelook data lake's daily price record.
What is UMC's 52-week high and low?
28.96 high and 6.56 low over the trailing 52 weeks, as of 2026-08-07.
What is United Microelectronics's strongest and weakest month historically?
Historically, UMC's strongest calendar month has been May (average +23.62%) and its weakest Jul (average -11.34%), based on 5 years of daily data (2022–2026).
How many years of seasonality does this cover?
5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.