United Microelectronics Corp (UMC) stock
UMCNYSESemiconductors & Related DevicesFiscal year ends December 31
$16.68−1.36 (-7.54%)
Close on Oct 30, 2026Market cap $41.99BP/E 33.2Yield –
Price history
United Microelectronics share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$16.68
-7.54% on the day
52-week range
$6.97 – $28.96
-42.4% from the high
Change over 52 weeks
+121.5%
From $7.53 on Oct 30, 2025
Average volume
13.21M
Shares a day, last 90 sessions
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 30, 2026 | $16.97 | $17.06 | $16.27 | $16.68 | -7.54% | 24,245,550 |
| Oct 29, 2026 | $17.71 | $18.31 | $17.53 | $18.04 | -4.14% | 12,521,510 |
| Oct 28, 2026 | $19.12 | $19.28 | $18.62 | $18.82 | -3.24% | 13,764,790 |
| Oct 27, 2026 | $19.20 | $19.49 | $18.89 | $19.45 | +1.41% | 10,879,810 |
| Oct 26, 2026 | $18.91 | $19.35 | $18.77 | $19.18 | +1.54% | 7,379,995 |
| Oct 23, 2026 | $18.66 | $19.00 | $18.53 | $18.89 | +1.94% | 7,157,464 |
| Oct 22, 2026 | $19.07 | $19.17 | $18.31 | $18.53 | -6.51% | 17,606,450 |
| Oct 21, 2026 | $19.90 | $19.98 | $19.63 | $19.82 | +0.76% | 8,297,025 |
| Oct 20, 2026 | $19.50 | $19.98 | $19.35 | $19.67 | -2.04% | 9,305,173 |
| Oct 19, 2026 | $20.55 | $20.60 | $19.97 | $20.08 | +1.31% | 8,358,023 |
| Oct 16, 2026 | $20.65 | $20.65 | $19.74 | $19.82 | -5.26% | 12,916,630 |
| Oct 15, 2026 | $20.48 | $20.97 | $20.25 | $20.92 | -2.24% | 14,480,090 |
| Oct 14, 2026 | $21.85 | $22.05 | $21.34 | $21.40 | -4.42% | 12,797,840 |
| Oct 13, 2026 | $21.95 | $22.40 | $21.80 | $22.39 | -0.71% | 8,712,561 |
| Oct 12, 2026 | $22.74 | $22.74 | $22.31 | $22.55 | -1.79% | 7,054,909 |
| Oct 9, 2026 | $23.19 | $23.28 | $22.84 | $22.96 | +0.61% | 5,243,544 |
| Oct 8, 2026 | $23.14 | $23.32 | $22.51 | $22.82 | -2.10% | 11,901,480 |
| Oct 7, 2026 | $22.91 | $23.34 | $22.85 | $23.31 | +0.52% | 8,058,272 |
| Oct 6, 2026 | $23.54 | $23.67 | $23.05 | $23.19 | -3.05% | 15,052,070 |
| Oct 5, 2026 | $23.82 | $24.15 | $23.26 | $23.92 | -8.95% | 31,819,890 |
| Oct 2, 2026 | $25.67 | $26.37 | $25.52 | $26.27 | +4.20% | 10,198,790 |
| Oct 1, 2026 | $24.85 | $25.34 | $24.67 | $25.21 | +2.94% | 7,742,933 |
| Sep 30, 2026 | $24.45 | $24.69 | $24.35 | $24.49 | -0.93% | 7,102,310 |
| Sep 29, 2026 | $24.43 | $25.02 | $24.11 | $24.72 | +3.65% | 10,915,590 |
| Sep 28, 2026 | $24.08 | $24.21 | $23.42 | $23.85 | -1.89% | 7,091,953 |
| Sep 25, 2026 | $24.25 | $24.54 | $24.12 | $24.31 | +0.87% | 6,334,955 |
| Sep 24, 2026 | $24.11 | $24.35 | $23.80 | $24.10 | -2.35% | 6,675,735 |
| Sep 23, 2026 | $25.28 | $25.38 | $24.41 | $24.68 | -4.23% | 10,892,410 |
| Sep 22, 2026 | $25.26 | $25.80 | $25.13 | $25.77 | +1.34% | 8,421,825 |
| Sep 21, 2026 | $24.93 | $25.63 | $24.64 | $25.43 | +3.33% | 11,265,400 |
| Sep 18, 2026 | $24.45 | $24.71 | $23.88 | $24.61 | +0.57% | 30,094,940 |
| Sep 17, 2026 | $23.51 | $24.55 | $23.30 | $24.47 | +8.61% | 17,755,240 |
| Sep 16, 2026 | $22.49 | $22.84 | $22.25 | $22.53 | +4.26% | 11,217,700 |
| Sep 15, 2026 | $21.89 | $22.06 | $21.59 | $21.61 | -1.32% | 8,818,958 |
| Sep 14, 2026 | $22.08 | $22.26 | $21.81 | $21.90 | -3.27% | 16,299,230 |
| Sep 11, 2026 | $22.41 | $22.72 | $22.32 | $22.64 | +2.35% | 7,190,738 |
| Sep 10, 2026 | $21.94 | $22.28 | $21.84 | $22.12 | -2.51% | 10,133,010 |
| Sep 9, 2026 | $22.02 | $22.70 | $21.93 | $22.69 | +3.99% | 11,203,580 |
| Sep 8, 2026 | $21.58 | $22.20 | $21.58 | $21.82 | +5.06% | 11,535,070 |
| Sep 4, 2026 | $20.48 | $21.03 | $20.33 | $20.77 | +4.58% | 10,014,230 |
| Sep 3, 2026 | $19.57 | $19.95 | $19.45 | $19.86 | -0.55% | 6,069,193 |
| Sep 2, 2026 | $19.54 | $20.14 | $19.49 | $19.97 | -2.44% | 8,757,490 |
| Sep 1, 2026 | $20.43 | $20.84 | $20.19 | $20.47 | +2.97% | 17,944,690 |
| Aug 31, 2026 | $20.00 | $20.31 | $19.74 | $19.88 | +0.45% | 8,837,801 |
| Aug 28, 2026 | $20.65 | $20.78 | $19.59 | $19.79 | +3.78% | 19,845,670 |
| Aug 27, 2026 | $18.80 | $19.08 | $18.68 | $19.07 | +0.21% | 9,121,513 |
| Aug 26, 2026 | $19.41 | $19.46 | $18.84 | $19.03 | -2.91% | 6,789,313 |
| Aug 25, 2026 | $19.50 | $20.00 | $19.42 | $19.60 | +2.89% | 10,103,740 |
| Aug 24, 2026 | $19.50 | $19.50 | $18.77 | $19.05 | +3.87% | 14,926,890 |
| Aug 21, 2026 | $18.45 | $18.61 | $18.28 | $18.34 | +1.89% | 7,306,057 |
| Aug 20, 2026 | $18.03 | $18.24 | $17.88 | $18.00 | -0.66% | 10,509,530 |
| Aug 19, 2026 | $18.80 | $18.97 | $17.97 | $18.12 | -1.95% | 12,432,540 |
| Aug 18, 2026 | $18.56 | $18.76 | $18.14 | $18.48 | -5.38% | 17,417,080 |
| Aug 17, 2026 | $19.38 | $19.77 | $19.27 | $19.53 | +1.98% | 7,972,813 |
| Aug 14, 2026 | $18.94 | $19.17 | $18.75 | $19.15 | -1.19% | 7,176,746 |
| Aug 13, 2026 | $19.25 | $19.72 | $19.23 | $19.38 | +0.36% | 7,682,253 |
| Aug 12, 2026 | $19.67 | $19.67 | $19.30 | $19.31 | +1.95% | 10,598,480 |
| Aug 11, 2026 | $19.35 | $19.45 | $18.91 | $18.94 | +0.80% | 7,547,465 |
| Aug 10, 2026 | $19.27 | $19.35 | $18.77 | $18.79 | +0.37% | 9,610,853 |
| Aug 7, 2026 | $18.59 | $18.82 | $18.18 | $18.72 | -2.50% | 13,371,530 |
| Aug 6, 2026 | $18.90 | $19.57 | $18.73 | $19.20 | -0.47% | 11,956,770 |
| Aug 5, 2026 | $19.66 | $19.95 | $19.20 | $19.29 | -6.50% | 15,095,870 |
| Aug 4, 2026 | $19.78 | $20.85 | $19.59 | $20.63 | +10.38% | 20,080,640 |
| Aug 3, 2026 | $17.69 | $18.76 | $17.49 | $18.69 | -1.79% | 12,063,280 |
| Jul 31, 2026 | $19.78 | $20.08 | $18.82 | $19.03 | +0.48% | 16,738,110 |
| Jul 30, 2026 | $17.53 | $19.02 | $17.53 | $18.94 | +10.70% | 24,762,980 |
| Jul 29, 2026 | $17.05 | $18.13 | $16.96 | $17.11 | -1.44% | 24,695,070 |
| Jul 28, 2026 | $16.90 | $17.70 | $16.54 | $17.36 | -9.01% | 26,577,220 |
| Jul 27, 2026 | $20.03 | $20.15 | $18.57 | $19.08 | -2.05% | 15,479,950 |
| Jul 24, 2026 | $19.84 | $20.08 | $18.97 | $19.48 | -6.66% | 16,398,880 |
| Jul 23, 2026 | $20.72 | $21.11 | $20.44 | $20.87 | -1.97% | 9,189,498 |
| Jul 22, 2026 | $21.00 | $21.60 | $20.99 | $21.29 | +0.47% | 7,356,183 |
| Jul 21, 2026 | $21.51 | $21.51 | $20.89 | $21.19 | +4.38% | 17,368,070 |
| Jul 20, 2026 | $20.69 | $21.23 | $20.27 | $20.30 | -4.47% | 15,355,980 |
| Jul 17, 2026 | $20.55 | $21.74 | $20.16 | $21.25 | -4.67% | 20,772,470 |
| Jul 16, 2026 | $22.73 | $23.20 | $22.06 | $22.29 | -10.55% | 20,901,630 |
| Jul 15, 2026 | $25.60 | $25.80 | $24.21 | $24.92 | +4.53% | 15,708,500 |
| Jul 14, 2026 | $24.17 | $24.40 | $23.57 | $23.84 | +1.62% | 13,175,610 |
| Jul 13, 2026 | $23.56 | $23.73 | $23.01 | $23.46 | -3.62% | 21,656,780 |
| Jul 10, 2026 | $24.39 | $24.63 | $23.77 | $24.34 | -2.09% | 6,715,365 |
| Jul 9, 2026 | $25.02 | $25.49 | $24.65 | $24.86 | +0.53% | 11,973,550 |
| Jul 8, 2026 | $24.41 | $25.04 | $24.04 | $24.73 | +3.78% | 17,212,380 |
| Jul 7, 2026 | $24.10 | $24.47 | $23.34 | $23.83 | -7.74% | 24,567,950 |
| Jul 6, 2026 | $25.70 | $26.78 | $25.59 | $25.83 | +5.26% | 13,180,630 |
| Jul 2, 2026 | $26.06 | $26.29 | $24.15 | $24.54 | -4.55% | 21,014,030 |
| Jul 1, 2026 | $26.39 | $26.66 | $25.68 | $25.71 | -5.51% | 19,750,320 |
| Jun 30, 2026 | $26.33 | $27.27 | $26.14 | $27.21 | +1.38% | 14,475,720 |
| Jun 29, 2026 | $25.70 | $26.86 | $24.82 | $26.84 | +4.93% | 11,871,420 |
| Jun 26, 2026 | $25.48 | $26.09 | $24.87 | $25.58 | -7.75% | 19,297,930 |
| Jun 25, 2026 | $28.24 | $28.96 | $27.34 | $27.73 | -1.00% | 20,957,140 |
| Jun 24, 2026 | $26.40 | $28.66 | $26.40 | $28.01 | +6.91% | 24,354,600 |
| Jun 23, 2026 | $25.92 | $26.70 | $25.88 | $26.20 | -4.73% | 25,943,470 |
| Jun 22, 2026 | $26.90 | $28.28 | $26.80 | $27.50 | +14.20% | 26,322,090 |
| Jun 18, 2026 | $23.63 | $24.17 | $23.10 | $24.08 | +10.66% | 26,913,570 |
| Jun 17, 2026 | $22.27 | $22.53 | $21.75 | $21.76 | +0.65% | 13,622,500 |
| Jun 16, 2026 | $22.46 | $22.68 | $21.59 | $21.62 | -6.33% | 16,464,390 |
| Jun 15, 2026 | $22.55 | $23.36 | $22.38 | $23.08 | +6.70% | 15,920,030 |
| Jun 12, 2026 | $20.80 | $21.78 | $20.61 | $21.63 | +4.59% | 16,400,360 |
| Jun 11, 2026 | $19.86 | $20.85 | $19.84 | $20.68 | +9.42% | 20,628,670 |
| Jun 10, 2026 | $19.03 | $19.71 | $18.80 | $18.90 | -4.93% | 20,239,040 |
| Jun 9, 2026 | $20.49 | $20.80 | $18.70 | $19.88 | -0.60% | 23,741,830 |
| Jun 8, 2026 | $20.29 | $20.58 | $19.65 | $20.00 | +1.52% | 16,800,830 |
| Jun 5, 2026 | $20.55 | $20.70 | $19.64 | $19.70 | -5.24% | 32,089,660 |
| Jun 4, 2026 | $20.22 | $20.98 | $19.91 | $20.79 | -2.94% | 17,539,730 |
| Jun 3, 2026 | $21.11 | $21.50 | $20.58 | $21.42 | -4.63% | 16,532,120 |
| Jun 2, 2026 | $22.34 | $22.51 | $21.87 | $22.46 | -1.88% | 15,033,140 |
| Jun 1, 2026 | $22.97 | $23.02 | $22.14 | $22.89 | +3.20% | 11,502,970 |
| May 29, 2026 | $22.64 | $22.84 | $21.99 | $22.18 | -2.20% | 14,650,530 |
| May 28, 2026 | $22.38 | $23.20 | $21.76 | $22.68 | +2.07% | 16,065,900 |
| May 27, 2026 | $23.66 | $23.69 | $21.68 | $22.22 | +5.41% | 27,433,620 |
| May 26, 2026 | $21.03 | $21.52 | $20.50 | $21.08 | +15.70% | 26,752,020 |
| May 22, 2026 | $18.08 | $18.30 | $17.98 | $18.22 | -0.71% | 10,045,470 |
| May 21, 2026 | $18.12 | $18.45 | $18.01 | $18.35 | +4.50% | 12,137,430 |
| May 20, 2026 | $17.31 | $17.61 | $17.12 | $17.56 | -0.11% | 13,552,690 |
| May 19, 2026 | $17.42 | $18.10 | $17.30 | $17.58 | +2.69% | 19,734,400 |
| May 18, 2026 | $17.60 | $17.75 | $16.88 | $17.12 | -0.47% | 20,562,790 |
| May 15, 2026 | $16.90 | $17.43 | $16.84 | $17.20 | +0.41% | 15,989,810 |
| May 14, 2026 | $16.86 | $17.32 | $16.00 | $17.13 | +7.60% | 17,559,760 |
| May 13, 2026 | $15.58 | $16.14 | $15.57 | $15.92 | -0.87% | 11,526,660 |
| May 12, 2026 | $16.17 | $16.30 | $15.50 | $16.06 | +3.01% | 19,760,230 |
| May 11, 2026 | $15.65 | $15.90 | $15.39 | $15.59 | +1.10% | 13,858,570 |
| May 8, 2026 | $14.52 | $15.45 | $14.43 | $15.42 | +1.72% | 14,785,160 |
| May 7, 2026 | $15.24 | $15.45 | $15.02 | $15.16 | -0.46% | 16,029,120 |
| May 6, 2026 | $15.29 | $15.45 | $14.70 | $15.23 | +8.71% | 30,100,120 |
| May 5, 2026 | $13.50 | $14.22 | $13.42 | $14.01 | +7.94% | 23,357,490 |
| May 4, 2026 | $13.17 | $13.37 | $12.89 | $12.98 | -0.54% | 9,248,335 |
| May 1, 2026 | $13.03 | $13.20 | $12.96 | $13.05 | -0.08% | 8,407,605 |
| Apr 30, 2026 | $12.45 | $13.13 | $12.45 | $13.06 | +2.43% | 15,475,560 |
| Apr 29, 2026 | $12.43 | $13.39 | $12.10 | $12.75 | +9.35% | 25,368,600 |
| Apr 28, 2026 | $11.69 | $11.89 | $11.57 | $11.66 | -0.26% | 12,220,850 |
| Apr 27, 2026 | $11.58 | $11.79 | $11.46 | $11.69 | -4.80% | 12,884,420 |
| Apr 24, 2026 | $12.18 | $12.32 | $12.12 | $12.28 | +2.33% | 10,979,200 |
| Apr 23, 2026 | $11.97 | $12.10 | $11.82 | $12.00 | -5.59% | 10,655,420 |
| Apr 22, 2026 | $12.63 | $12.82 | $12.58 | $12.71 | +3.08% | 10,053,690 |
| Apr 21, 2026 | $12.18 | $12.44 | $12.05 | $12.33 | -2.45% | 13,172,440 |
| Apr 20, 2026 | $12.49 | $12.74 | $12.21 | $12.64 | +8.40% | 22,647,160 |
| Apr 17, 2026 | $11.85 | $11.86 | $11.41 | $11.66 | +9.79% | 20,922,390 |
| Apr 16, 2026 | $10.47 | $10.74 | $10.41 | $10.62 | +6.73% | 11,609,120 |
| Apr 15, 2026 | $9.91 | $9.96 | $9.80 | $9.95 | +3.75% | 7,029,255 |
| Apr 14, 2026 | $9.69 | $9.70 | $9.52 | $9.59 | -1.13% | 5,458,835 |
| Apr 13, 2026 | $9.53 | $9.72 | $9.46 | $9.70 | -0.41% | 7,030,873 |
| Apr 10, 2026 | $9.81 | $9.85 | $9.70 | $9.74 | +2.20% | 6,704,807 |
| Apr 9, 2026 | $9.37 | $9.54 | $9.37 | $9.53 | +0.63% | 7,807,524 |
| Apr 8, 2026 | $9.46 | $9.61 | $9.38 | $9.47 | +1.72% | 12,162,420 |
| Apr 7, 2026 | $9.09 | $9.31 | $8.98 | $9.31 | +7.13% | 16,941,430 |
| Apr 6, 2026 | $8.70 | $8.75 | $8.65 | $8.69 | +0.23% | 5,440,243 |
| Apr 2, 2026 | $8.29 | $8.69 | $8.29 | $8.67 | -3.34% | 7,662,975 |
| Apr 1, 2026 | $9.01 | $9.11 | $8.95 | $8.97 | -0.11% | 7,814,220 |
| Mar 31, 2026 | $8.92 | $9.04 | $8.75 | $8.98 | +4.30% | 10,412,400 |
| Mar 30, 2026 | $8.91 | $8.97 | $8.59 | $8.61 | -2.93% | 12,277,690 |
| Mar 27, 2026 | $9.02 | $9.05 | $8.87 | $8.87 | -1.66% | 8,178,037 |
| Mar 26, 2026 | $9.13 | $9.14 | $8.89 | $9.02 | -3.11% | 8,801,957 |
| Mar 25, 2026 | $9.39 | $9.40 | $9.26 | $9.31 | +2.87% | 6,822,851 |
| Mar 24, 2026 | $8.98 | $9.08 | $8.90 | $9.05 | -0.44% | 8,452,193 |
| Mar 23, 2026 | $9.11 | $9.26 | $9.06 | $9.09 | -0.33% | 7,752,661 |
| Mar 20, 2026 | $9.06 | $9.14 | $8.98 | $9.12 | -1.51% | 11,090,320 |
| Mar 19, 2026 | $9.00 | $9.31 | $8.99 | $9.26 | -0.43% | 6,562,925 |
| Mar 18, 2026 | $9.53 | $9.53 | $9.29 | $9.30 | -2.31% | 8,057,530 |
| Mar 17, 2026 | $9.49 | $9.57 | $9.46 | $9.52 | +0.53% | 4,438,520 |
| Mar 16, 2026 | $9.50 | $9.58 | $9.46 | $9.47 | +2.16% | 5,426,161 |
| Mar 13, 2026 | $9.44 | $9.51 | $9.23 | $9.27 | -0.86% | 5,228,106 |
| Mar 12, 2026 | $9.50 | $9.52 | $9.28 | $9.35 | -3.61% | 9,027,650 |
| Mar 11, 2026 | $9.73 | $9.90 | $9.70 | $9.70 | +2.32% | 5,925,192 |
| Mar 10, 2026 | $9.61 | $9.66 | $9.46 | $9.48 | -2.57% | 8,597,421 |
| Mar 9, 2026 | $9.39 | $9.75 | $9.36 | $9.73 | +1.35% | 14,962,560 |
| Mar 6, 2026 | $9.69 | $9.79 | $9.55 | $9.60 | -1.54% | 9,250,971 |
| Mar 5, 2026 | $9.85 | $9.98 | $9.55 | $9.75 | -1.32% | 7,233,414 |
| Mar 4, 2026 | $9.90 | $9.96 | $9.77 | $9.88 | -0.20% | 7,144,244 |
| Mar 3, 2026 | $9.87 | $10.01 | $9.81 | $9.90 | -5.80% | 13,527,380 |
| Mar 2, 2026 | $10.27 | $10.53 | $10.26 | $10.51 | +0.67% | 4,965,279 |
| Feb 27, 2026 | $10.26 | $10.46 | $10.18 | $10.44 | +1.36% | 4,661,947 |
| Feb 26, 2026 | $10.62 | $10.62 | $10.18 | $10.30 | -2.37% | 8,986,676 |
| Feb 25, 2026 | $10.50 | $10.64 | $10.43 | $10.55 | -3.39% | 6,630,768 |
| Feb 24, 2026 | $10.93 | $11.04 | $10.89 | $10.92 | +4.80% | 6,955,132 |
| Feb 23, 2026 | $10.40 | $10.53 | $10.33 | $10.42 | +0.19% | 6,005,860 |
| Feb 20, 2026 | $10.13 | $10.47 | $10.13 | $10.40 | +2.67% | 8,402,038 |
| Feb 19, 2026 | $10.23 | $10.24 | $10.07 | $10.13 | -0.98% | 3,988,069 |
| Feb 18, 2026 | $10.25 | $10.37 | $10.19 | $10.23 | -0.39% | 6,501,111 |
| Feb 17, 2026 | $10.27 | $10.33 | $10.15 | $10.27 | -1.44% | 6,634,317 |
| Feb 13, 2026 | $10.28 | $10.49 | $10.28 | $10.42 | +1.26% | 8,147,367 |
| Feb 12, 2026 | $10.44 | $10.44 | $10.18 | $10.29 | -0.10% | 9,376,690 |
| Feb 11, 2026 | $10.11 | $10.35 | $10.04 | $10.30 | +3.94% | 9,197,424 |
| Feb 10, 2026 | $10.00 | $10.07 | $9.90 | $9.91 | -1.39% | 7,082,727 |
| Feb 9, 2026 | $10.00 | $10.17 | $9.93 | $10.05 | -0.10% | 8,127,183 |
| Feb 6, 2026 | $10.06 | $10.20 | $9.99 | $10.06 | +0.90% | 14,596,470 |
| Feb 5, 2026 | $9.75 | $10.03 | $9.71 | $9.97 | +0.20% | 11,102,090 |
| Feb 4, 2026 | $10.02 | $10.12 | $9.78 | $9.95 | +1.02% | 14,215,540 |
| Feb 3, 2026 | $9.81 | $9.89 | $9.65 | $9.85 | -1.89% | 13,435,260 |
| Feb 2, 2026 | $9.77 | $10.10 | $9.69 | $10.04 | -1.38% | 10,522,970 |
| Jan 30, 2026 | $10.15 | $10.45 | $10.07 | $10.18 | -3.78% | 17,812,700 |
| Jan 29, 2026 | $10.71 | $10.79 | $10.37 | $10.58 | -7.03% | 14,392,660 |
| Jan 28, 2026 | $11.46 | $11.86 | $11.23 | $11.38 | -8.81% | 25,816,700 |
| Jan 27, 2026 | $12.52 | $12.68 | $12.22 | $12.48 | +10.15% | 26,912,600 |
| Jan 26, 2026 | $11.20 | $11.42 | $11.13 | $11.33 | +7.50% | 19,391,730 |
| Jan 23, 2026 | $10.30 | $10.56 | $10.26 | $10.54 | -3.30% | 12,720,220 |
| Jan 22, 2026 | $10.83 | $10.94 | $10.78 | $10.90 | -2.07% | 8,575,440 |
| Jan 21, 2026 | $10.85 | $11.20 | $10.85 | $11.13 | +3.25% | 19,442,570 |
| Jan 20, 2026 | $10.60 | $10.93 | $10.56 | $10.78 | +15.91% | 24,441,200 |
| Jan 16, 2026 | $9.26 | $9.37 | $9.15 | $9.30 | +6.04% | 14,269,560 |
| Jan 15, 2026 | $8.87 | $8.94 | $8.76 | $8.77 | -0.23% | 10,913,270 |
| Jan 14, 2026 | $8.58 | $8.80 | $8.52 | $8.79 | +1.50% | 10,693,100 |
| Jan 13, 2026 | $8.80 | $8.82 | $8.64 | $8.66 | -2.15% | 7,590,450 |
| Jan 12, 2026 | $8.76 | $8.89 | $8.76 | $8.85 | +0.68% | 6,418,453 |
| Jan 9, 2026 | $8.81 | $8.86 | $8.66 | $8.79 | +2.81% | 11,347,620 |
| Jan 8, 2026 | $8.56 | $8.72 | $8.47 | $8.55 | -4.26% | 11,429,820 |
| Jan 7, 2026 | $8.91 | $9.11 | $8.78 | $8.93 | +9.98% | 21,011,060 |
| Jan 6, 2026 | $7.85 | $8.15 | $7.84 | $8.12 | +4.50% | 16,423,630 |
| Jan 5, 2026 | $7.79 | $7.81 | $7.70 | $7.77 | -0.89% | 10,479,920 |
| Jan 2, 2026 | $7.85 | $7.90 | $7.76 | $7.84 | -0.25% | 11,607,710 |
| Dec 31, 2025 | $7.92 | $7.96 | $7.84 | $7.86 | -1.26% | 3,868,191 |
| Dec 30, 2025 | $7.98 | $8.00 | $7.94 | $7.96 | -0.13% | 2,979,556 |
| Dec 29, 2025 | $7.92 | $7.97 | $7.90 | $7.97 | -0.62% | 3,628,383 |
| Dec 26, 2025 | $7.99 | $8.06 | $7.99 | $8.02 | +0.25% | 3,973,393 |
| Dec 24, 2025 | $7.97 | $8.02 | $7.94 | $8.00 | +0.38% | 5,510,493 |
| Dec 23, 2025 | $8.04 | $8.05 | $7.92 | $7.97 | -1.97% | 5,376,506 |
| Dec 22, 2025 | $8.12 | $8.15 | $8.09 | $8.13 | +0.37% | 4,570,143 |
| Dec 19, 2025 | $8.09 | $8.17 | $8.09 | $8.10 | +0.37% | 13,175,190 |
| Dec 18, 2025 | $8.05 | $8.12 | $8.01 | $8.07 | +0.88% | 9,020,612 |
| Dec 17, 2025 | $8.08 | $8.16 | $7.98 | $8.00 | +1.39% | 10,217,630 |
| Dec 16, 2025 | $7.90 | $7.94 | $7.84 | $7.89 | +0.64% | 8,831,099 |
| Dec 15, 2025 | $7.92 | $7.95 | $7.83 | $7.84 | -0.38% | 6,915,829 |
| Dec 12, 2025 | $7.88 | $7.89 | $7.80 | $7.87 | -0.25% | 15,394,670 |
| Dec 11, 2025 | $7.91 | $7.91 | $7.78 | $7.89 | -1.38% | 8,398,629 |
| Dec 10, 2025 | $7.97 | $8.05 | $7.95 | $8.00 | -1.11% | 9,228,113 |
| Dec 9, 2025 | $8.02 | $8.10 | $7.97 | $8.09 | +0.50% | 8,896,801 |
| Dec 8, 2025 | $8.02 | $8.08 | $7.98 | $8.05 | +0.37% | 8,420,899 |
| Dec 5, 2025 | $7.90 | $8.06 | $7.88 | $8.02 | +1.91% | 10,655,640 |
| Dec 4, 2025 | $7.78 | $7.94 | $7.78 | $7.87 | +0.25% | 9,468,268 |
| Dec 3, 2025 | $7.67 | $7.87 | $7.66 | $7.85 | +0.90% | 9,272,994 |
| Dec 2, 2025 | $7.55 | $7.80 | $7.55 | $7.78 | +3.32% | 9,487,063 |
| Dec 1, 2025 | $7.49 | $7.60 | $7.48 | $7.53 | +0.94% | 6,626,324 |
| Nov 28, 2025 | $7.35 | $7.47 | $7.33 | $7.46 | +1.77% | 5,488,829 |
| Nov 26, 2025 | $7.31 | $7.43 | $7.28 | $7.33 | +0.83% | 8,087,474 |
| Nov 25, 2025 | $7.25 | $7.28 | $7.15 | $7.27 | -2.28% | 6,022,171 |
| Nov 24, 2025 | $7.33 | $7.45 | $7.33 | $7.44 | +2.76% | 9,730,028 |
| Nov 21, 2025 | $7.19 | $7.31 | $7.11 | $7.24 | +1.69% | 11,543,170 |
| Nov 20, 2025 | $7.26 | $7.27 | $7.05 | $7.12 | -1.52% | 12,394,750 |
| Nov 19, 2025 | $7.09 | $7.26 | $7.08 | $7.23 | +2.41% | 8,212,450 |
| Nov 18, 2025 | $6.99 | $7.12 | $6.99 | $7.06 | +0.57% | 7,757,130 |
| Nov 17, 2025 | $7.08 | $7.11 | $6.97 | $7.02 | -1.68% | 5,327,580 |
| Nov 14, 2025 | $7.09 | $7.24 | $7.07 | $7.14 | +0.42% | 5,889,939 |
| Nov 13, 2025 | $7.22 | $7.23 | $7.07 | $7.11 | -1.80% | 8,149,482 |
| Nov 12, 2025 | $7.25 | $7.33 | $7.16 | $7.24 | -1.90% | 7,060,207 |
| Nov 11, 2025 | $7.36 | $7.41 | $7.32 | $7.38 | -0.67% | 7,882,417 |
| Nov 10, 2025 | $7.43 | $7.45 | $7.34 | $7.43 | +0.27% | 7,134,158 |
| Nov 7, 2025 | $7.29 | $7.41 | $7.26 | $7.41 | +1.37% | 9,303,483 |
| Nov 6, 2025 | $7.48 | $7.50 | $7.15 | $7.31 | -5.80% | 10,936,410 |
| Nov 5, 2025 | $7.63 | $7.86 | $7.63 | $7.76 | +2.11% | 9,446,504 |
| Nov 4, 2025 | $7.69 | $7.72 | $7.60 | $7.60 | -3.06% | 10,109,110 |
| Nov 3, 2025 | $7.82 | $7.90 | $7.80 | $7.84 | +1.69% | 7,479,818 |
| Oct 31, 2025 | $7.61 | $7.85 | $7.57 | $7.71 | +2.39% | 10,153,200 |
| Oct 30, 2025 | $7.49 | $7.59 | $7.37 | $7.53 | +1.89% | 9,729,646 |
| Oct 29, 2025 | $7.80 | $7.81 | $7.29 | $7.39 | -3.15% | 12,481,790 |
| Oct 28, 2025 | $7.55 | $7.68 | $7.52 | $7.63 | +0.79% | 6,728,024 |
| Oct 27, 2025 | $7.52 | $7.58 | $7.42 | $7.57 | +0.40% | 8,009,306 |
| Oct 24, 2025 | $7.57 | $7.61 | $7.53 | $7.54 | +0.27% | 7,440,015 |
| Oct 23, 2025 | $7.35 | $7.55 | $7.35 | $7.52 | +1.90% | 5,612,068 |
| Oct 22, 2025 | $7.41 | $7.45 | $7.30 | $7.38 | -0.94% | 7,880,684 |
| Oct 21, 2025 | $7.49 | $7.49 | $7.37 | $7.45 | -0.93% | 6,136,101 |
| Oct 20, 2025 | $7.57 | $7.58 | $7.52 | $7.52 | – | 6,254,968 |
Seasonality
UMC return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 2.7% | 2.8% | -0.8% | 6.1% | 9.9% | 5.4% | 2.2% | 0.9% | 4.4% | -5.6% | 9.2% | 1.9% |
| Months up | 6 of 10 | 5 of 10 | 5 of 10 | 6 of 10 | 8 of 10 | 9 of 10 | 6 of 10 | 4 of 10 | 4 of 10 | 6 of 10 | 5 of 9 | 5 of 9 |
| 2026 | 29.5% | 2.6% | -14.0% | 45.4% | 69.8% | 22.7% | -28.8% | 4.5% | 23.2% | -31.9% | ||
| 2025 | -10.9% | 11.6% | 10.9% | -1.5% | 8.1% | 6.9% | -10.6% | -3.8% | 15.2% | 1.7% | -3.2% | 5.4% |
| 2024 | -8.9% | -0.4% | 5.3% | -4.8% | 10.4% | 3.1% | 0.9% | 4.8% | -4.0% | -18.8% | -1.3% | -3.9% |
| 2023 | 24.5% | 0.0% | 7.7% | -8.3% | 2.9% | 2.6% | -4.8% | -4.5% | -1.5% | 0.8% | 9.4% | 8.6% |
| 2022 | -16.0% | -5.6% | -1.7% | -12.7% | 10.7% | -17.8% | 0.7% | -2.8% | -16.0% | 6.5% | 27.1% | -13.4% |
| 2021 | 7.4% | 8.3% | -7.0% | 8.9% | -5.1% | 0.4% | 14.9% | 8.0% | 0.5% | -10.1% | 13.2% | 0.6% |
| 2020 | -9.7% | 2.5% | -12.5% | 15.2% | 1.2% | 4.3% | 47.3% | -4.3% | 35.3% | 10.6% | 34.5% | 18.2% |
| 2019 | 5.6% | -2.1% | 1.6% | 15.4% | -9.2% | 12.2% | 2.8% | -3.2% | -1.0% | 8.1% | 8.0% | 9.8% |
| 2018 | 2.1% | -1.2% | 7.5% | 3.1% | 4.1% | 1.4% | 3.6% | -0.4% | -7.5% | -27.1% | -3.2% | -1.6% |
| 2017 | 3.4% | 12.7% | -5.4% | 0.5% | 6.2% | 18.4% | -4.0% | 10.6% | 0.0% | 4.0% | -1.9% | -6.3% |