United Microelectronics - Stock Price History | UMC

Historical daily share price chart and data for United Microelectronics since 2021 adjusted for splits. The latest closing stock price for United Microelectronics as of July 30, 2021 is 10.53.
  • The all-time high United Microelectronics stock closing price was 21.33 on September 20, 2000.
  • The United Microelectronics 52-week high stock price is 11.28, which is 7.1% above the current share price.
  • The United Microelectronics 52-week low stock price is 3.42, which is 67.5% below the current share price.
  • The average United Microelectronics stock price for the last 52 weeks is 7.75.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
United Microelectronics Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2020 3.8306 2.7100 9.0400 2.1300 8.4300 214.55%
2019 2.1119 1.7700 2.8000 1.6900 2.6800 49.72%
2018 2.4654 2.4400 3.0800 1.6400 1.7900 -25.10%
2017 2.2284 1.7800 2.7100 1.7600 2.3900 36.57%
2016 1.9048 1.7900 2.1400 1.6600 1.7500 -6.91%
2015 2.0827 2.2200 2.5400 1.6100 1.8800 -17.18%
2014 2.1610 2.0000 2.5800 1.9500 2.2700 11.27%
2013 2.0170 2.0400 2.4300 1.7700 2.0400 2.51%
2012 2.2299 2.1900 2.7200 1.7500 1.9900 -7.01%
2011 2.4728 3.1600 3.4600 1.7900 2.1400 -32.28%
2010 3.2433 3.9300 4.2200 2.5500 3.1600 -18.56%
2009 2.9537 2.1600 3.8800 1.6500 3.8800 97.96%
2008 2.7251 3.3400 3.7100 1.5100 1.9600 -43.35%
2007 4.5583 5.0215 5.4089 3.2500 3.4600 -30.90%
2006 4.6196 4.5768 5.5954 4.0459 5.0072 11.86%
2005 5.0249 4.9785 6.3558 4.0172 4.4763 -11.62%
2004 6.2390 7.3745 8.7805 4.6628 5.0646 -28.69%
2003 5.9577 5.0215 8.1062 4.2468 7.1019 47.32%
2002 9.7798 13.9168 16.3558 4.2755 4.8207 -65.00%
2001 12.3963 11.8364 17.6614 6.4562 13.7733 16.36%
2000 15.4613 20.0861 21.3343 10.6743 11.8364 0.00%
Sector Industry Market Cap Revenue
Computer and Technology Semiconductors $26.114B $6.209B
UMC specializes in providing foundry services for high performancesemiconductor applications. Its core competency lies in its abilityto produce high yield Integrated Circuit wafers, manufactured on a per-customer basis. The company draws its distinction from industryleading technology. In addition to wafer manufacturing, its customers benefit from services such as extensive IP resources, free-of-charge design libraries, and full front-end and backend support.
Stock Name Country Market Cap PE Ratio
Broadcom (AVGO) United States $199.140B 22.26
AMD (AMD) United States $128.805B 57.40
Infineon Technologies AG (IFNNY) Germany $49.991B 38.67
ASE Technology Holding (ASX) Taiwan $19.241B 15.56
Rohm (ROHCY) Japan $10.020B 28.44
Lattice Semiconductor (LSCC) United States $7.749B 123.37
Soitec SA (SLOIF) France $7.165B 0.00
Amkor Technology (AMKR) United States $6.017B 12.97
DIALOG SEMICON (DLGNF) United Kingdom $5.452B 19.92
Synaptics (SYNA) United States $5.348B 28.45
Allegro MicroSystems (ALGM) United States $5.197B 14.28
Cirrus Logic (CRUS) United States $4.757B 21.68
Diodes (DIOD) United States $3.659B 28.98
Ambarella (AMBA) United States $3.573B 0.00
Tower Semiconductor (TSEM) Israel $2.975B 32.01
FormFactor (FORM) United States $2.892B 28.01
Rambus (RMBS) United States $2.662B 73.94
Silicon Motion Technology (SIMO) China $2.619B 23.88
Himax Technologies (HIMX) Taiwan $2.380B 21.36
NLight (LASR) United States $1.485B 0.00
Ichor Holdings (ICHR) United States $1.448B 20.96
SMART Global Holdings (SGH) United States $1.136B 16.91
CEVA (CEVA) United States $1.132B 0.00
Impinj (PI) United States $1.117B 0.00
Alpha And Omega Semiconductor (AOSL) United States $0.678B 14.36
SkyWater Technology (SKYT) United States $0.674B 0.00
IQE (IQEPF) United Kingdom $0.542B 0.00
AXT Inc (AXTI) United States $0.431B 40.80
Atomera (ATOM) United States $0.407B 0.00
NVE (NVEC) United States $0.363B 28.22
POET Technologies (POETF) Canada $0.314B 0.00
O2Micro (OIIM) Cayman Islands $0.212B 18.50
Applied Optoelectronics (AAOI) United States $0.208B 0.00
Sequans Communications S.A (SQNS) France $0.190B 0.00
Transphorm (TGAN) United States $0.174B 0.00
Pixelworks (PXLW) United States $0.157B 0.00
Coda Octopus Group (CODA) United States $0.098B 18.02
QuickLogic (QUIK) United States $0.061B 0.00
SemiLEDS (LEDS) Taiwan $0.035B 0.00
MoSys (MOSY) United States $0.033B 0.00
Rubicon Technology (RBCN) United States $0.023B 78.33