United Microelectronics (New) (UMC) closed at $16.40 on November 3, 2026, up 0.1% from the previous close, on volume of 11,873,385 shares (30-day average 10,646,988).
Data as of November 3, 2026.
United Microelectronics Appoints Ming Hsu as UMC Group (USA) Director
TipRanks (Tue, 3-Nov 8:36 AM ET)
UMC Reports Third Quarter 2026 Results
Business Wire (Wed, 28-Oct 7:35 AM ET)
UMC and AP Memory Collaborate to Enable Advanced Power Delivery Solutions for AI and HPC Systems
PRNewswire (Thu, 22-Oct 2:00 AM ET)
UMC Posts 27.22% Year-Over-Year September Sales Growth as 2026 Revenue Momentum Builds
Market Chameleon (Tue, 6-Oct 3:10 AM ET)
UMC Reports Sales for September 2026
Business Wire (Tue, 6-Oct 3:30 AM ET)
UMC Reports Sales for August 2026
Business Wire (Fri, 4-Sep 2:30 AM ET)
Tradr Announces Upcoming Leveraged ETFs on MRAM, SITM & UMC
PRNewswire (Thu, 6-Aug 12:59 PM ET)
UMC Delivers an 18.98% Revenue Jump in July 2026—Steady Growth Outpaces 2025 Levels
Market Chameleon (Thu, 6-Aug 3:55 AM ET)
UMC Reports Sales for July 2026
Business Wire (Thu, 6-Aug 3:00 AM ET)
UMC’s Dual Fab Expansion Signals Aggressive Move to Capture AI-Driven Growth
Market Chameleon (Wed, 29-Jul 3:12 AM ET)
Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs 19,095 people as of February 2026.
United Microelectronics (New) trades on the NYSE stock market under the symbol UMC.
As of November 3, 2026, UMC stock price climbed to $16.40 with 11,873,385 million shares trading.
UMC has a beta of 2.11, meaning it tends to be more sensitive to market movements. UMC has a correlation of 0.19 to the broad based SPY ETF.
UMC has a market cap of $41.15 billion. This is considered a Large Cap stock.
Last quarter United Microelectronics (New) reported $2 billion in Revenue and $.21 earnings per share. This fell short of revenue expectation by $-30 million and missed earnings estimates by -$.02.
In the last 3 years, UMC traded as high as $28.96 and as low as $5.61.
The top ETF exchange traded funds that UMC belongs to (by Net Assets): SOXX, VWO, SOXL, SPEM, VEU.
UMC has outperformed the market in the last year with a return of +118.1%, while the SPY ETF gained +11.7%. However, in the most recent history, UMC shares have underperformed the stock market with its stock returning -13.8% in the last 3 month period and -18.3% for the last 2 week period, while SPY has returned +1.2% and -1.6%, respectively.
UMC support price is $15.78 and resistance is $17.00 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that UMC shares will trade within this expected range on the day.
