United Microelectronics Corporation

UMC·NYSE·Technology
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22.55−0.41 (−1.79%)today
At close: Oct 12, 4:00 PM EDT · May be delayed up to 15 min · USD
After hours22.36−0.19 (−0.84%)Oct 12, 7:36 PM EDT

Prices may be delayed up to 15 min. Not investment advice. News volume: articles in the 4Search index each day.

Key statistics

Previous close22.96
Open22.74
Day range22.3122.74
52-week range6.9728.96
Off day high−0.84%
Off 52-week high−22.13%
Volume7.05M
Avg. volume (3M)13.00M
Market cap56.55B
EPS (TTM)1.06
Forward P/E25.68
P/E ratio (TTM)21.27
Dividend yield1.75% (0.4000)
Beta (5Y)1.71
Shares outstanding2.51B
Short interest1.19% of float
Earnings dateOct 28, 2026
Analyst target19.12
Profit margin33.29%

Against its peers

Compare in full ›
UMC MCHP STM ASX TSEM NXPI
Market cap 56.55B 40.09B 45.21B 104.51B 24.47B 56.79B
P/E (TTM) 21.3 108.6 1,262.0 56.6 85.6 19.2
Forward P/E 25.7 16.1 19.9 24.3 32.3 12.4
Price/book 4.1 6.2 2.6 8.6 7.9 5.0
Dividend yield 1.75% 2.41% 0.69% 0.90% — 1.78%
1-year change +200.52% +17.33% +80.76% +319.88% +211.55% +4.99%
Today −1.79% −2.28% −3.03% +2.37% −5.34% −1.02%

The closest companies by business and industry (Semiconductors). Prices may be delayed up to 15 min.

Related companies

Compare ›

The businesses closest to United Microelectronics's by what they do, from their descriptions, with the same industry weighted in.

Company Mkt cap Price Today
Microchip Technology IncorporatedMCHP · Semiconductors 40.09B 73.83 −2.28%
STMicroelectronics N.V.STM · Semiconductors 45.21B 50.48 −3.03%
ASE Technology Holding Co., Ltd.ASX · Semiconductors 104.51B 47.53 +2.37%
Tower Semiconductor Ltd.TSEM · Semiconductors 24.47B 216.50 −5.34%
NXP Semiconductors N.V.NXPI · Semiconductors 56.79B 225.21 −1.02%
Micron Technology, Inc.MU · SemiconductorsOdds 1.12T 989.04 −3.88%
Monolithic Power Systems, Inc.MPWR · Semiconductors 64.83B 1,319.23 −4.84%
ON Semiconductor CorporationON · Semiconductors 29.59B 76.00 −1.97%

Technology companies of a similar market value (57.58B).

Company Mkt cap Price Today
Ciena CorporationCIEN · Communication Equipment 57.43B 405.01 −9.95%
NXP Semiconductors N.V.NXPI · Semiconductors 56.79B 225.21 −1.02%
Astera Labs, Inc.ALAB · SemiconductorsOdds 56.23B 324.11 −5.29%
Nokia OyjNOK · Communication Equipment 55.43B 9.90 −4.44%
Strategy IncMSTR · Software - ApplicationOdds 60.88B 152.68 −1.08%
Coherent Corp.COHR · Scientific & Technical Instruments 56.72B 288.02 −7.87%
Teradyne, Inc.TER · Semiconductor Equipment & Materials 60.01B 383.85 −4.68%
TE Connectivity plcTEL · Electronic Components 62.91B 217.28 −0.46%

The stocks whose daily moves over the past year went most closely with United Microelectronics's: the correlation of their daily returns, where 1 would be moving as one.

Company Mkt cap Price Today
ASE Technology Holding Co., Ltd.ASX · Correlation 0.57 104.51B 47.53 +2.37%
GLOBALFOUNDRIES Inc.GFS · Correlation 0.57Odds 26.95B 48.34 +0.21%
Micron Technology, Inc.MU · Correlation 0.45Odds 1.12T 989.04 −3.88%
Arm Holdings plcARM · Correlation 0.44 272.60B 255.24 −4.15%
ON Semiconductor CorporationON · Correlation 0.44 29.59B 76.00 −1.97%
Taiwan Semiconductor Manufacturing Company LimitedTSM · Correlation 0.43Odds 2.30T 444.35 −1.98%
Arteris, Inc.AIP · Correlation 0.43 1.05B 21.46 −4.39%
MKS Inc.MKSI · Correlation 0.43 16.90B 249.91 −5.52%

From the 4Search instruments index: what each company does (its business description), its industry, size, headquarters and the markets it serves; and from a year of daily prices, which move together. Prices may be delayed up to 15 min.

Latest news

All UMC news ›
Seeking Alpha·Negative

United Microelectronics: Strong Momentum, But I See 25% Downside

United Microelectronics is rated a Sell, as its stock price has more than tripled while business fundamentals lag. Read more on UMC stock here. - United Microelectronics is rated a sell, as its stock price has more than tripled while…

scanx.trade·Positive

Umiya Mobile posts 67% jump in FY26 profit to ₹9.19 crore

Umiya Mobile Limited reported a 67% increase in profit after tax for FY26, driven by a 49% surge in revenue from operations. The company’s Board approved the submission of a revised Annual Report on October 10, 2026, following a correction…

Seeking Alpha·Positive

United Microelectronics September revenues up 27% Y/Y

Track United Microelectronics (UMC) revenue growth: September sales up 27.22% YoY to NT$25.35B; Jan–Sep revenue up 16.08% to NT$204B—read now. MF3d/E+ via Getty Images - United Microelectronics (UMC)said revenues rose 27.22% Y/Y in…

Quiver Quantitative·Negative

Why United Microelectronics (UMC) Stock Is Down Today

United Microelectronics (UMC) is down 3.1% today. Here is some analysis on what might have caused this price movement. Analysis: The most likely catalyst is UMC’s October 5 pricing of $1.8 billion in unsecured overseas convertible bonds.…

MarketScreener·

United Microelectronics Buys Machinery Worth NT$6.98 Billion

United Microelectronics acquired a batch of machinery and equipment from Applied Materials South East Asia for NT$6.98 billion, according to a Thursday filing with the Taiwan bourse. The... United Microelectronics Buys Machinery Worth…

Lincoln Journal·Negative

UMC Reports Sales for September 2026

lincolnjournal.com United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of September 2026. Javascript is required for you to be able to read premium content. Please…

From articles in the 4Search news index.

In the news

16mentions in 30 days
11with it in the headline
Positivesentiment

Mentioned with

Micron8United Microelectronics Corporation7Micron Technology6Nvidia6SK Hynix5Agentic AI4Microsoft4Niu Technologies4

People in the coverage

Danessa Lincoln12Andy Luong7Kim Johansen7Liu Chi-Tung5Moumi Mondal4Ben Hunter3

Themes

Earnings6Stock Market5ETFS4Financial4Quarter4Analysis3Canada3Canadian Finance3

Most coverage from

  1. marketscreener.com2
  2. seekingalpha.com2
  3. stocktitan.net2
  4. themarketsdaily.com2
  5. tradingview.com2

Finance and business coverage in the 4Search news index: articles that name it in the headline, or in the text beside its ticker. Sentiment is the index's own reading of the latest 16 articles, not a forecast.

Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4Search index. Terms of use.