Stock Forecast Chart
Stock Price Prediction Summary
Forecast Score Based on 2 Weeks
Based on our forecast, the price of UMC will decline by -0.86% over the next 2 Weeks and hit $20.59 by Friday, September 18, 2026. In that time frame, UMC's share price is expected to range between $19.50 and $21.73.
BearishAverageBullish| Date | Predicted Lower | Predicted | Predicted Upper |
|---|---|---|---|
| Sep 18, 2026 | 20.10 | 21.24 | 22.27 |
| Sep 17, 2026 | 20.37 | 21.41 | 22.45 |
| Sep 16, 2026 | 20.12 | 21.20 | 22.32 |
| Sep 15, 2026 | 20.55 | 21.53 | 22.65 |
| Sep 14, 2026 | 20.26 | 21.30 | 22.32 |
| Sep 11, 2026 | 19.94 | 21.00 | 22.08 |
| Sep 10, 2026 | 20.06 | 21.17 | 22.26 |
| Sep 9, 2026 | 19.90 | 20.97 | 21.96 |
| Sep 8, 2026 | 20.23 | 21.29 | 22.44 |
| Sep 7, 2026 | 19.99 | 21.06 | 22.13 |
UMC shares rose +5.06% in Tuesday, September 8, 2026's trading session, rising from a previous close of $20.77 to move at $21.82. The stock demonstrated notable intraday movement (see UMC's key stats for a full breakdown), fluctuating between $21.64 and $22.20, a +2.59% trading range. While recent weeks have seen some volatility, UMC has managed to secure a +11.33% gain over the past 2 weeks. The upward price movement was accompanied by increased trading volume, with approximately 11.52M shares changing hands, 1.55M more than the previous session. This amounted to $251.39M in total market activity.
Will UMC Continue Its Upward Trend?
According to analyst ratings and projections for UMC, United Microelectronics Corporation shares are anticipated to increase by +2.02%, potentially reaching $22.27 per share by September 18, 2026. Short-term technical indicators currently suggest a neutral sentiment for UMC. For deeper insights, view our sentiment analysis on AAPL covering social and institutional perspectives. However, the stock has recorded 17 positive trading days within the past 30 sessions. Based on the UMC stock forecast, now is a good time to buy UMC stock because its current trading price is +2.72% above our predicted value, hinting at a possible undervaluation. For deeper insights, view our sentiment analysis on UMC covering social and institutional perspectives.
UMC Technical Momentum: Overbought, Oversold, or Neutral?
An analysis of Relative Strength Index (RSI) indicators provides insight into UMC's momentum. Short-term RSIs (9, 14, and 20-day figures ranging from 57.74% to 71.87%) suggest the stock is showing bullish momentum with some volatility. The 50-day RSI, at 54.86%, suggests a neutral medium-term outlook. Additionally, the 100-day RSI, at 55.64%, maintains a neutral outlook for the long term. Insights into UMC's shareholder base show how institutional investors are positioning themselves during these momentum shifts
United Microelectronics Short-Term Forecasts
UMC Forecast For Next 5 Days
Our algorithm anticipates United Microelectronics (UMC) stock could hit $16.17 by Sep 15, 2026. This represents a -25.90% rise from today's price, following a +21.81% change over the past five days.
UMC Forecast For Next 30 Days
Based on analysis of market trends, the outlook for United Microelectronics Corporation (UMC) stock over the next 30 days is largely negative. Price forecasts suggest an average target of $16.51, which would mean a -24.34% decrease from the current price of $21.82. Projections for this period range from a high of $20.28 to a low of $12.74.
UMC Forecast For Next 90 Days
Our proprietary market analysis suggests predictions for United Microelectronics's price over the next three months point to a drop. UMC stock is expected to peak at $24.51 on Nov 23, 2026 after potentially dipping to $18.35 on Nov 11, 2026. On average, UMC is likely to trade around $21.63 in the coming 90 days.
United Microelectronics Stock Forecast 2025
Based on our predictive models, United Microelectronics (UMC) is expected to trade between $18.35 and $24.51 throughout 2026. This would result in an average price of $21.76, potentially offering investors a -0.27% return from current levels.
United Microelectronics Corporation Monthly Forecast 2026–2027
September 2026
According to our latest forecast models, United Microelectronics Corporation (UMC) is positioned to show a strong performance in September 2026. The price is predicted to move between $18.76 and $22.46, settling at an average of $20.44. This could translate to a -6.32% loss.
October 2026
Based on current market signals, United Microelectronics Corporation is projected to trend october 2026. We forecast a trading range from $19.80 to $23.61, with a likely average price of $21.68. Investors could expect a potential return of -0.64%.
November 2026
Our predictive algorithms indicate United Microelectronics Corporation stock may see a shift in November 2026. The expected range spans $18.35–$24.51, with an average target of $22.33. This represents a positive outlook and a possible gain of +2.34%.
December 2026
Analyzing established trends, United Microelectronics Corporation looks set to move in December 2026. Projections place the stock between $20.56 and $24.23, averaging around $22.31. This suggests a +2.25% gain from current levels.
January 2027
Market indicators suggest United Microelectronics Corporation could experience notable changes during January 2027. Prices could fluctuate within $20.33 to $23.85, with a midpoint forecast of $21.97. The stock might deliver a +0.69% gain.
February 2027
Forecasting for February 2027, models estimate that United Microelectronics Corporation may undergo key fluctuations. If trends hold, the stock might trade between $19.79 and $23.28, averaging $21.51. This signals a cautious trajectory with potential returns around -1.42%.
March 2027
According to our latest forecast models, United Microelectronics Corporation (UMC) is positioned to show a strong performance in March 2027. The price is predicted to move between $20.98 and $24.50, settling at an average of $22.76. This could translate to a +4.31% gain.
April 2027
Based on current market signals, United Microelectronics Corporation is projected to trend april 2027. We forecast a trading range from $21.54 to $25.49, with a likely average price of $23.50. Investors could expect a potential return of +7.70%.
May 2027
Our predictive algorithms indicate United Microelectronics Corporation stock may see a shift in May 2027. The expected range spans $21.47–$25.15, with an average target of $23.35. This represents a positive outlook and a possible gain of +7.01%.
June 2027
Analyzing established trends, United Microelectronics Corporation looks set to move in June 2027. Projections place the stock between $21.38 and $24.78, averaging around $23.00. This suggests a +5.41% gain from current levels.
July 2027
Market indicators suggest United Microelectronics Corporation could experience notable changes during July 2027. Prices could fluctuate within $20.89 to $24.70, with a midpoint forecast of $22.64. The stock might deliver a +3.76% gain.
August 2027
Forecasting for August 2027, models estimate that United Microelectronics Corporation may undergo key fluctuations. If trends hold, the stock might trade between $22.11 and $25.69, averaging $23.88. This signals a positive trajectory with potential returns around +9.44%.
September 2027
According to our latest forecast models, United Microelectronics Corporation (UMC) is positioned to show a strong performance in September 2027. The price is predicted to move between $22.45 and $25.59, settling at an average of $24.05. This could translate to a +10.22% gain.
UMC's history of dividends and stock splits also plays a role in long-term investor confidence.

