United Microelectronics Corporation (NEW) (UMC)
Showing Closing Date Range from Jul 25 to Oct 23, 2026 compared to Apr 25 to Jul 24, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:umc.com
Current Period Close
$18.89
Jul 25, 2026 - Oct 23, 2026
Previous Period Close
$19.48
Apr 25, 2026 - Jul 24, 2026
Net Comparison Delta
$-0.59 (-3.03%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(63 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 23, 2026 | $18.89 | - | - | - |
| Oct 22, 2026 | $18.53 | Jul 24, 2026 | $19.48 | -4.88% |
| Oct 21, 2026 | $19.82 | Jul 23, 2026 | $20.87 | -5.03% |
| Oct 20, 2026 | $19.67 | Jul 22, 2026 | $21.29 | -7.61% |
| Oct 19, 2026 | $20.08 | Jul 21, 2026 | $21.19 | -5.24% |
| Oct 16, 2026 | $19.82 | Jul 20, 2026 | $20.30 | -2.36% |
| Oct 15, 2026 | $20.92 | Jul 17, 2026 | $21.25 | -1.55% |
| Oct 14, 2026 | $21.40 | Jul 16, 2026 | $22.29 | -3.99% |
| Oct 13, 2026 | $22.39 | Jul 15, 2026 | $24.92 | -10.15% |
| Oct 12, 2026 | $22.55 | Jul 14, 2026 | $23.84 | -5.41% |
| Oct 09, 2026 | $22.96 | Jul 13, 2026 | $23.46 | -2.13% |
| Oct 08, 2026 | $22.82 | Jul 10, 2026 | $24.34 | -6.24% |
| Oct 07, 2026 | $23.31 | Jul 09, 2026 | $24.86 | -6.23% |
| Oct 06, 2026 | $23.19 | Jul 08, 2026 | $24.73 | -6.23% |
| Oct 05, 2026 | $23.92 | Jul 07, 2026 | $23.83 | +0.38% |
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