stockNYSE: UMC • 28 Days Updates
United Microelectronics Corporation (NEW) (UMC)
Showing Closing Date Range from Oct 7 to Nov 4, 2026.
United Microelectronics (UMC) manufactures semiconductor products for the foundry market, trading among NYSE Stocks. Shares last closed at $16.06, moving -14.67% over the past week and -31.10% across 28 days. Longer term, the stock is -16.35% over 3 months, +4.15% over 6 months and +111.32% over 12 months. Comparable industrial and technology stocks CNH (CNH Industrial N.V) (-6.02%), SLB (SLB) (+7.51%), UWMC (UWM) (+49.56%), CVX (Chevron) (+5.76%) and STM (STMicroelectronics N.V) (-18.83%) moved over the same 28-day stretch, for comparison.
Investor Relations:umc.com
Price & Performance Trajectory
United Microelectronics Corporation (NEW)NYSE: UMC
Latest Close
$16.06
28 Days Updates Trajectory
Showing Closing Date Range from Oct 7 to Nov 4, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesUMC session performance
✓ Latest Close USD
$16.06
Latest session close
$-7.25vs period start
Period Return % % GAIN
-31.1%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$23.34 / $15.92
Period range envelope
$7.42channel spread
Total Volume SHARES
238.22M
Period turnover
Avg: 11.34M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(21 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Nov 04, 2026 | $16.06 | -2.07% | $16.67 | $15.92 | 14.07M |
| Nov 03, 2026 | $16.40 | +0.06% | $16.75 | $16.27 | 12.77M |
| Nov 02, 2026 | $16.39 | -1.74% | $16.96 | $16.35 | 10.72M |
| Oct 30, 2026 | $16.68 | -7.54% | $17.06 | $16.27 | 24.24M |
| Oct 29, 2026 | $18.04 | -4.14% | $18.31 | $17.53 | 12.52M |
| Oct 28, 2026 | $18.82 | -3.24% | $19.28 | $18.62 | 13.76M |
| Oct 27, 2026 | $19.45 | +1.41% | $19.49 | $18.89 | 10.88M |
| Oct 26, 2026 | $19.18 | +1.54% | $19.35 | $18.77 | 7.38M |
| Oct 23, 2026 | $18.89 | +1.94% | $19.00 | $18.53 | 7.16M |
| Oct 22, 2026 | $18.53 | -6.51% | $19.17 | $18.31 | 17.61M |
| Oct 21, 2026 | $19.82 | +0.76% | $19.98 | $19.63 | 8.29M |
| Oct 20, 2026 | $19.67 | -2.04% | $19.98 | $19.35 | 9.30M |
| Oct 19, 2026 | $20.08 | +1.31% | $20.60 | $19.97 | 8.36M |
| Oct 16, 2026 | $19.82 | -5.26% | $20.65 | $19.74 | 12.91M |
| Oct 15, 2026 | $20.92 | -2.24% | $20.97 | $20.25 | 14.48M |
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