United Microelectronics (UMC) Stock Chart & Stock Price History $6.86 +0.33 (+4.97%) Closing price 04/11/2025 03:59 PM EasternExtended Trading$6.71 -0.16 (-2.26%) As of 06:21 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock United Microelectronics Stock Price Performance 5 Day Performance+1.55%1 Month Performance+1.33%3 Month Performance+8.80%6 Month Performance-16.08%Year-To-Date Performance+5.78%1 Year Performance-13.86% Receive UMC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for United Microelectronics and its competitors with MarketBeat's FREE daily newsletter. Email Address UMC Stock Chart for Monday, April, 14, 2025 UMC Chart by TradingViewRemove Ads United Microelectronics Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/11/2025$6.54$6.87+4.97%$6.91$6.6513.11 million shs$17.20 billion04/10/2025$6.76$6.54-3.25%$6.70$6.3622.05 million shs$16.39 billion04/09/2025$6.10$6.76+10.91%$6.84$6.0232.48 million shs$16.94 billion04/09/2025$6.10$6.76+10.91%$6.84$6.0232.48 million shs$16.94 billion04/08/2025$6.12$6.10-0.33%$6.63$5.9921.64 million shs$15.27 billion04/08/2025$6.12$6.10-0.33%$6.63$5.9921.64 million shs$15.27 billion04/07/2025$6.25$6.12-2.10%$6.28$5.7124.57 million shs$15.32 billion04/04/2025$6.47$6.25-3.39%$6.37$6.1718.96 million shs$15.65 billion04/03/2025$6.74$6.47-4.08%$6.64$6.4416.38 million shs$16.20 billion04/02/2025$6.99$6.74-3.51%$6.86$6.6213.81 million shs$16.89 billion Get the Latest News and Ratings for UMC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for United Microelectronics and its competitors with MarketBeat's FREE daily newsletter. 04/01/2025$7.16$6.99-2.48%$7.07$6.9014.35 million shs$17.50 billion03/31/2025$6.55$7.16+9.41%$7.87$6.5650.39 million shs$17.95 billion03/28/2025$6.64$6.55-1.33%$6.64$6.5211.97 million shs$16.41 billion03/27/2025$6.62$6.64+0.30%$6.74$6.6110.80 million shs$16.63 billion03/26/2025$6.73$6.62-1.71%$6.73$6.5512.51 million shs$16.58 billion03/25/2025$6.77$6.73-0.52%$6.80$6.706.75 million shs$16.87 billion03/24/2025$6.71$6.77+0.89%$6.82$6.7012.05 million shs$16.95 billion03/21/2025$6.75$6.71-0.59%$6.74$6.6211.01 million shs$16.80 billion03/20/2025$6.87$6.75-1.75%$6.86$6.688.70 million shs$16.90 billion03/19/2025$6.83$6.87+0.59%$6.90$6.7513.84 million shs$17.20 billion03/18/2025$6.70$6.83+1.94%$6.84$6.6811.12 million shs$17.10 billion03/17/2025$6.78$6.70-1.18%$6.72$6.5811.35 million shs$16.78 billion03/14/2025$6.48$6.78+4.63%$6.84$6.7015.67 million shs$16.98 billion03/13/2025$6.63$6.48-2.26%$6.60$6.4216.24 million shs$16.23 billion Related Companies NXP Semiconductors Stock Chart L3Harris Technologies Stock Chart Nokia Oyj Stock Chart Vertiv Stock Chart Telefonaktiebolaget LM Ericsson (publ) Stock Chart GlobalFoundries Stock Chart Ubiquiti Stock Chart STMicroelectronics Stock Chart Hubbell Stock Chart ASE Technology Stock Chart Receive UMC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for United Microelectronics and its competitors with MarketBeat's FREE daily newsletter. 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