United Microelectronics Corporation (UMC) Stock Price History
Historical prices from 2011 to 2026
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UMC Historical Performance
Short-Term Returns
UMC Stock Price Trajectory (2011–2026)
As of May 6, 2026, United Microelectronics Corporation (UMC) trades at $15.22, representing a +105.6% return over the past year. The stock has delivered a +74.1% total return over five years (+10.3% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $15.41 on May 6, 2026. From this peak, UMC has corrected -1.3%, currently trading 78% above its 200-day moving average, indicating continued institutional support.
When compared to Technology sector peers TSM (+143.5% 1Y), GFS (+107.1% 1Y), and IMOS (+220.6% 1Y), UMC has underperformed the peer group average. Compare UMC vs TSM →
UMC Historical Price Data (2011–2026)
Showing 30 of 3,650 records| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-06 | 15.29 | 15.41 | 14.70 | 15.22 | 28.94M | +8.62% |
| 2026-05-05 | 13.50 | 14.21 | 13.42 | 14.01 | 9.16M | +7.94% |
| 2026-05-04 | 13.17 | 13.37 | 12.88 | 12.98 | 9.25M | -0.54% |
| 2026-05-01 | 13.03 | 13.20 | 12.96 | 13.05 | 6.68M | -0.08% |
| 2026-04-30 | 12.48 | 13.13 | 12.48 | 13.06 | 15.44M | +2.43% |
| 2026-04-29 | 12.43 | 13.39 | 12.10 | 12.75 | 25.31M | +9.35% |
| 2026-04-28 | 11.75 | 11.89 | 11.57 | 11.66 | 12.21M | -0.26% |
| 2026-04-27 | 11.61 | 11.79 | 11.46 | 11.69 | 12.88M | -4.80% |
| 2026-04-24 | 12.18 | 12.32 | 12.12 | 12.28 | 10.19M | +2.33% |
| 2026-04-23 | 11.97 | 12.10 | 11.82 | 12.00 | 10.63M | -5.59% |
| 2026-04-22 | 12.62 | 12.82 | 12.58 | 12.71 | 10.04M | +3.08% |
| 2026-04-21 | 12.18 | 12.44 | 12.06 | 12.33 | 13.08M | -2.45% |
| 2026-04-20 | 12.49 | 12.74 | 12.21 | 12.64 | 20.56M | +8.40% |
| 2026-04-17 | 11.84 | 11.86 | 11.41 | 11.66 | 20.90M | +9.79% |
| 2026-04-16 | 10.47 | 10.74 | 10.41 | 10.62 | 11.49M | +6.73% |
| 2026-04-15 | 9.91 | 9.96 | 9.80 | 9.95 | 7.00M | +3.75% |
| 2026-04-14 | 9.59 | 9.70 | 9.52 | 9.59 | 5.41M | -1.13% |
| 2026-04-13 | 9.49 | 9.71 | 9.46 | 9.70 | 5.81M | -0.41% |
| 2026-04-10 | 9.81 | 9.85 | 9.70 | 9.74 | 6.70M | +2.20% |
| 2026-04-09 | 9.37 | 9.54 | 9.37 | 9.53 | 7.34M | +0.63% |
| 2026-04-08 | 9.48 | 9.61 | 9.38 | 9.47 | 12.16M | +1.72% |
| 2026-04-07 | 9.09 | 9.31 | 8.97 | 9.31 | 16.85M | +7.13% |
| 2026-04-06 | 8.70 | 8.75 | 8.65 | 8.69 | 5.44M | +0.23% |
| 2026-04-02 | 8.32 | 8.69 | 8.29 | 8.67 | 6.36M | -3.34% |
| 2026-04-01 | 9.01 | 9.11 | 8.95 | 8.97 | 7.81M | -0.11% |
| 2026-03-31 | 8.84 | 9.04 | 8.75 | 8.98 | 10.39M | +4.30% |
| 2026-03-30 | 8.91 | 8.97 | 8.59 | 8.61 | 11.67M | -2.93% |
| 2026-03-27 | 9.05 | 9.05 | 8.87 | 8.87 | 7.71M | -1.66% |
| 2026-03-26 | 9.13 | 9.14 | 8.89 | 9.02 | 8.79M | -3.11% |
| 2026-03-25 | 9.38 | 9.40 | 9.26 | 9.31 | 6.82M | +2.87% |
Full UMC Stock Analysis
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View ValuationCompare UMC vs NVDA
Side-by-side business, growth, and profitability comparison vs NVIDIA Corporation.
Start ComparisonUMC — Frequently Asked Questions
Quick answers to the most common questions about buying UMC stock.
How has UMC stock performed recently?
UMC returned +105.6% over the past year, beating its 5-year annualized CAGR of +10.3%. The stock trades above its 200-day moving average, confirming the uptrend.
What is UMC's all-time high price?
United Microelectronics Corporation reached $15.41 on 2026-05-06. The 52-week high is $15.41. Current 1-year return of +105.6% places the stock closer to historical peaks.
Where can I download UMC historical price data?
This page provides UMC daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.