Sharemaestro company-news research for United Microelectronics (UMC), showing current tone, evidence confidence, direct company coverage, sector and industry context, completed price response and the source headlines used on the page. Scores describe published news evidence. Confidence describes the amount, freshness, source breadth and direct company relevance of that evidence. Price context is shown separately.

NYSE United States Provisional evidence

Company news sentiment

Latest UMC news and sentiment

United Microelectronics

Company headlines from the last 30 days, weighted by freshness, relevance, publisher quality and the strength of the wording. Price is shown separately.

Full chart Weekly report Factor research Options activity RSS feed
30-day score55Neutral is 50
Early balanced news score 24/100 evidence confidence 86% direct company focus 16 current stories across 8 publishers
Latest weekly closeUSD 24.61week of 18 Sep 2026
Main news subjectMarket update78/100 share of current news
News data statusHealthy42 duplicate stories removed

Current company news

Early balanced news score

16 company-specific stories are available, but there are not yet enough fresh stories from separate publishers for a firm reading.

Observed headline tone73/100 Published 30-day score55/100

Older, less relevant and less reliable stories count for less. Confidence is shown separately.

Latest source headline United Microelectronics Corp Stock (UMC) Moved Up by 8.83% on Sep 17: Drivers Behind the Movement TradingKey · 17 Sep 2026 17:15

What supports the score

Direct evidence

16 current stories are mapped specifically to UMC.

Source breadth

The score uses 8 publishers rather than depending on one outlet.

What limits the score

Too little evidence

The stories agree, but freshness-weighted evidence is only 0.248.

Confidence

Confidence is 24/100, below the threshold for a firm score.

55/100
News scoreEarly balanced news score
24/100
Confidencethin evidence
86%/100
Company news16 company stories
94/100
Story agreement6/100 difference

News history

Daily score and story count over 30 days

Daily weighted evidence
24 Aug: 1 stories25 Aug: 1 stories26 Aug: 1 stories02 Sep: 2 stories04 Sep: 3 stories09 Sep: 1 stories12 Sep: 1 stories16 Sep: 4 stories17 Sep: 2 stories 24 Aug: tone 76, 1 stories25 Aug: tone 50, 1 stories26 Aug: tone 72, 1 stories02 Sep: tone 57, 2 stories04 Sep: tone 76, 3 stories09 Sep: tone 73, 1 stories12 Sep: tone 55, 1 stories16 Sep: tone 54, 4 stories17 Sep: tone 72, 2 stories 95505
24 Aug08 Sep22 Sep
News scoreStory count50 baseline

Confidence

How reliable the score is

Separate from direction

Confidence uses the amount of news, separate publishers, direct company relevance, freshness and agreement. A high or low score is not automatically reliable.

Amount of evidence5
0.248 after freshness weighting
Source breadth100
8 independent publishers
Company relevance86
share tied directly to this company
Freshness26
recency-weighted evidence
Agreement94
how closely stories agree
Publisher mix65
less reliance on one publisher

Price and news history

Weekly price and news-score history

Early company-news score

Company-specific news is present, but the evidence has not yet earned enough independent, fresh information weight for price confirmation to be treated as a firm signal.

26 completed price weeks21 comparable news-score weeks
One scoring method across the chart.Stored company headlines are recalculated at each weekly point with the current 30-day freshness weighting. Old published snapshots are left unchanged.
27 Mar 2026: close 8.87, indexed 100.003 Apr 2026: close 8.67, indexed 97.710 Apr 2026: close 9.74, indexed 109.817 Apr 2026: close 11.66, indexed 131.524 Apr 2026: close 12.28, indexed 138.401 May 2026: close 13.05, indexed 147.108 May 2026: close 15.42, indexed 173.815 May 2026: close 17.2, indexed 193.922 May 2026: close 18.22, indexed 205.429 May 2026: close 22.18, indexed 250.105 Jun 2026: close 19.377053, indexed 218.512 Jun 2026: close 21.275414, indexed 239.919 Jun 2026: close 23.68525, indexed 267.026 Jun 2026: close 25.16066, indexed 283.703 Jul 2026: close 24.137709, indexed 272.110 Jul 2026: close 24.34, indexed 274.417 Jul 2026: close 21.25, indexed 239.624 Jul 2026: close 19.48, indexed 219.631 Jul 2026: close 19.03, indexed 214.507 Aug 2026: close 18.72, indexed 211.014 Aug 2026: close 19.15, indexed 215.921 Aug 2026: close 18.34, indexed 206.828 Aug 2026: close 19.79, indexed 223.104 Sep 2026: close 20.77, indexed 234.211 Sep 2026: close 22.64, indexed 255.218 Sep 2026: close 24.61, indexed 277.5 24 Apr 2026: news score 50, close 12.28, 1 stories5001 May 2026: news score 51, close 13.05, 2 stories08 May 2026: news score 50, close 15.42, 4 stories15 May 2026: news score 50, close 17.2, 5 stories5022 May 2026: news score 50, close 18.22, 4 stories29 May 2026: news score 50, close 22.18, 3 stories05 Jun 2026: news score 50, close 19.377053, 2 stories5012 Jun 2026: news score 50, close 21.275414, 1 stories26 Jun 2026: news score 51, close 25.16066, 8 stories03 Jul 2026: news score 50, close 24.137709, 10 stories5010 Jul 2026: news score 50, close 24.34, 15 stories17 Jul 2026: news score 52, close 21.25, 23 stories24 Jul 2026: news score 51, close 19.48, 25 stories5131 Jul 2026: news score 54, close 19.03, 45 stories07 Aug 2026: news score 58, close 18.72, 52 stories14 Aug 2026: news score 55, close 19.15, 57 stories5521 Aug 2026: news score 51, close 18.34, 54 stories28 Aug 2026: news score 54, close 19.79, 41 stories04 Sep 2026: news score 54, close 20.77, 34 stories5411 Sep 2026: news score 53, close 22.64, 18 stories18 Sep 2026: news score 54, close 24.61, 17 stories54 Price index 306.0 190.7 75.4 News score 100 50 0
27 Mar23 Jun18 Sep
Weekly close, indexedSentiment score
26-week price+177.5%latest close 24.61
News score change+4first to latest comparable week
One-week response+8.7%Price confirming higher
Fair-value position+168.7%Materially above fair value
WeekNews scoreCloseWeekly move
18 Sep 202654USD 24.61+8.7%
11 Sep 202653USD 22.64+9.0%
04 Sep 202654USD 20.77+5.0%
28 Aug 202654USD 19.79+7.9%
21 Aug 202651USD 18.34-4.2%
14 Aug 202655USD 19.15+2.3%
07 Aug 202658USD 18.72-1.6%
31 Jul 202654USD 19.03-2.3%
Provisional evidence

News subjects

What is shaping the score

Market update
Market update538 stories · 50%
Earnings717 stories · 44%
Macro sensitivity501 stories · 6%

Source mix

Where the evidence comes from

65/100 independence
TradingKey543 stories · 19%
Barchart702 stories · 12%
MEXC502 stories · 12%
Moomoo821 stories · 6%
TechStock²761 stories · 6%
Zacks741 stories · 6%
qz.com721 stories · 6%

Recurring subjects

Subjects appearing most often

Current evidence
Financial Markets9Technology7Earnings7Finance5Manufacturing3Price Target2Economy Macro2Blockchain2Semiconductors1Options Trading1

Earlier readings

How the score has changed

52 comparable readings · 91 days
Past and present use the same method.Each point recalculates the previous 30 days of stored company headlines with today's scoring rules. The original stored snapshots remain unchanged.
Comparable move+350 to 53 · Broadly stable
Observed range45–5950 is the neutral baseline
Evidence depth16stories at latest stored reading · +12
Confidence23/100Provisional · +23
22 Jun50 neutral21 Sep 14:34
ConstructiveBalanced or withheldCautious

Changes in the stored score

Scores are rebuilt from stored headlines with the current 30-day method. Days with no change are collapsed.

ObservedScoreMoveConfidenceStoriesStatus
21 Sep 14:3453-123/100 (-7)16 (-3)Provisional
17 Sep 23:5954+230/100 (+4)19 (-1)Provisional
16 Sep 23:5952+026/100 (+1)20 (+2)Provisional
12 Sep 23:5952-225/100 (-7)18 (-4)Provisional
09 Sep 23:5954+032/100 (-7)22 (-12)Provisional
04 Sep 23:5954+539/100 (+3)34 (+1)Measured
02 Sep 23:5949-636/100 (+6)33 (-19)Provisional
26 Aug 23:5955+130/100 (+2)52 (-3)Provisional

Source headlines

The news behind the score

Showing 1-16 of 16

Only company-specific stories enter this score. The latest 30 days are shown newest first, with newer stories weighted more heavily and duplicate coverage combined.

#274Tone
ZacksDirect company coverageStored article

United Microelectronics (UMC) Upgraded to Strong Buy: Here's What You Should Know

Investors might want to bet on United Microelectronics Corporation (UMC), as it has been recently upgraded to a Zacks Rank #1 (Strong Buy). This rating change essentially reflects an upward trend in earnings estimates -- one of the most powerful forces impacting stock prices. A company's changing earnings picture is at the core of the Zacks rating. The system tracks the Zacks Consensus Estimate -- the consensus measure of EPS estimates from the sell-side analysts covering the stock -- for the current and following years. The power of a changing earnings picture in determining near-term stock p

EarningsEarnings EstimateEstimate RevisionsFinanceFinancial MarketsInstitutional Investors
Published
17 Sep 2026 16:00
News subject
Earnings
Why this score
Analyst upgrade
Company focus
Shared story · 78%
How it is used
Direct company coverage
Story strength
High · 60/100
30-day weight
53% of the score · 4.6d old
Duplicates
3 consolidated
#3—Not directional
MEXCDirect company coverageStored article

What is United Microelectronics rStock | How RUMC Works, Use Cases and Values | MEXC

This article introduces United Microelectronics rStock (RUMC), a token associated with United Microelectronics Corporation (UMC), a semiconductor foundry enterprise. It outlines RUMC's basic information, including its ticker symbol, market cap, all-time low and high prices, and discusses tokenomics and price prediction. The article also provides a disclaimer about the informational nature of the content and the risks of cryptocurrency trading.

BlockchainFinanceFinancial MarketsManufacturingTechnology
Published
16 Sep 2026 22:58
News subject
Market update
Why this score
The headline reports news without a clear direction
Company focus
Shared story · 78%
How it is used
Shown as company news · not used in the score
Story strength
Not directional
30-day weight
None · 5.3d old
Duplicates
1 consolidated
#460Tone
TradingKeyDirect company coverageScored from headline

UMC|United Microelectronics Corp|Price:22.530|Chg%:+0.920

Published
16 Sep 2026 20:17
News subject
Market update
Why this score
Positive market reaction
Company focus
Main company · 100%
How it is used
Direct company coverage
Story strength
Medium · 36/100
30-day weight
5.8% of the score · 5.4d old
Duplicates
1 consolidated
#6—Not directional
MEXCDirect company coverageStored article

United Microelectronics rStock (RUMC) Tokenomics: Market Insights, Token Supply, Distribution & Price Data | MEXC

This article provides key tokenomics and price data for United Microelectronics rStock (RUMC) on the MEXC exchange, detailing its market cap, supply, FDV, and historical price movements. It also explains essential tokenomics metrics and their importance for traders, highlighting MEXC as a suitable platform for trading RUMC.

BlockchainFinancial MarketsTechnology
Published
16 Sep 2026 11:58
News subject
Macro sensitivity
Why this score
The headline reports news without a clear direction
Company focus
Shared story · 78%
How it is used
Shown as company news · not used in the score
Story strength
Not directional
30-day weight
None · 5.8d old
Duplicates
1 consolidated
#7—Not directional
StockInvest.usDirect company coverageStored article

United Microelectronics Stock Price Forecast. Should You Buy UMC?

United Microelectronics Corporation (UMC) stock is rated as "Hold/Accumulate" by StockInvest.us, with a technical score of 0.60. The stock has shown a 14.40% gain since the hold signal began on August 28, 2026, and a 2.35% increase on the last trading day. Despite some positive signals, the forecast indicates a potential 22.18% downtrend in the next three months, and investors are advised to consider it a hold candidate awaiting further developments.

EarningsFinancial MarketsTechnology
Published
12 Sep 2026 11:08
News subject
Earnings
Why this score
Positive financial language
Company focus
Main company · 100%
How it is used
Shown as company news · not used in the score
Story strength
Not directional
30-day weight
None · 9.8d old
Duplicates
1 consolidated
#873Tone
BarchartDirect company coverageStored article

United Microelectronics Sales Jump 30% in August. UMC Stock Has More Room to Run.

Computer board micro chip green by blickpixel via Pixabay United Microelectronics (UMC) is a leading global semiconductor foundry founded in 1980 and headquartered in Hsinchu, Taiwan. The company specializes in advanced wafer fabrication, offering complementary metal-oxide semiconductor (CMOS) logic, mixed-signal, radiofrequency, embedded memory, high-voltage, and image sensor manufacturing services to a diverse global customer base. The company has increasingly focused on specialty semiconductor solutions spanning power management, connectivity, and advanced packaging, while expanding into si

AIConsensus EstimateEarningsGrowth RatePrice Target
Published
09 Sep 2026 18:21
News subject
Earnings
Why this score
Large positive market reaction
Company focus
Main company · 100%
How it is used
Direct company coverage
Story strength
Medium · 54/100
30-day weight
16.6% of the score · 12.5d old
Duplicates
2 consolidated
#969Tone
marketscreener.comDirect company coverageStored article

United Microelectronics Shares Rise After August Sales Increase

United Microelectronics (UMC) saw its shares increase following an announcement of higher sales in August 2026. This positive news contributed to a rise in stock price, reflecting investor confidence after the company reported positive revenue results for the month.

EarningsEconomy MacroFinanceFinancial MarketsTechnology
Published
04 Sep 2026 17:51
News subject
Earnings
Why this score
Operating growth
Company focus
Main company · 100%
How it is used
Direct company coverage
Story strength
Medium · 47/100
30-day weight
8% of the score · 17.5d old
Duplicates
3 consolidated
#1182Tone
MoomooDirect company coverageStored article

United Microelectronics' Revenue Soars 31% in August

United Microelectronics (UMC) reported a significant 31% year-over-year increase in its August revenue. This positive financial performance indicates strong operational growth for the semiconductor company.

EarningsEarnings NewsFinancial MarketsManufacturingTechnology
Published
04 Sep 2026 11:36
News subject
Earnings
Why this score
Large positive market reaction, Positive market reaction, Operating growth
Company focus
Shared story · 78%
How it is used
Direct company coverage
Story strength
High · 59/100
30-day weight
10.1% of the score · 17.8d old
Duplicates
3 consolidated
#1258Tone
BarchartDirect company coverageStored article

If You Have Some ‘Silly’ Money, United Microelectronics (UMC) Stock Is Worth a Look

Microchips on a circuit board by Rawpixel_com via Shutterstock United Microelectronics (UMC) is going to be a risky options trade. Although the foundry specialist — which provides services for high-performance semiconductor applications — is extremely relevant due to the artificial intelligence boom, it's also a wild play. With UMC stock carrying a 60-month beta of 1.60, it's significantly more volatile than the benchmark S&P 500. Yes, fundamentally, United Microelectronics does enjoy a bullish argument. Recently, the company's second-quarter earnings results saw revenue jump 17% on a year-ove

EarningsEarnings ResultsOptions TradingPrice TargetSemiconductors
Published
02 Sep 2026 13:39
News subject
Earnings
Why this score
Large positive market reaction
Company focus
Main company · 100%
How it is used
Direct company coverage
Story strength
Low · 34/100
30-day weight
4.3% of the score · 19.7d old
Duplicates
3 consolidated
#1334Tone
Investing.com South AfricaDirect company coverageStored article

United Microelectronics stock falls after bond proceeds news By Investing.com

United Microelectronics (NYSE:UMC) shares fell 2% after the company announced it had fully received NT$4.79 billion in proceeds from its second domestic unsecured convertible corporate bond issuance. The funds have been remitted to the designated depository bank, with the disclosure made in compliance with regulatory requirements for matters significantly impacting shareholder rights or securities prices. The semiconductor manufacturer did not specify any countermeasures related to the bond proceeds receipt.

FinanceFinancial MarketsManufacturingTechnology
Published
02 Sep 2026 14:29
News subject
Market update
Why this score
Negative market reaction, Large negative market reaction
Company focus
Main company · 100%
How it is used
Direct company coverage
Story strength
Medium · 40/100
30-day weight
0.1% of the score · 19.7d old
Duplicates
1 consolidated
#1472Tone
qz.comDirect company coverageScored from headline

United Microelectronics (UMC) Surges 9.8%: Is This an Indication of Further Gains?

Published
26 Aug 2026 20:33
News subject
Market update
Why this score
Large positive market reaction
Company focus
Main company · 100%
How it is used
Direct company coverage
Story strength
Medium · 44/100
30-day weight
<0.1% of the score · 26.4d old
Duplicates
1 consolidated
#15—Not directional
TradingViewDirect company coverageStored article

Price to book forward of United Microelectronics Corp. – TWSE:2303

This page provides financial data for United Microelectronics Corp. (TWSE:2303), specifically focusing on its price-to-book forward ratio. It highlights that the market was closed with no trades recorded for the stock. The content is presented by TradingView, sourcing data from ICE Data Services and FactSet.

FinanceFinancial Markets
Published
25 Aug 2026 18:44
News subject
Market update
Why this score
The headline reports news without a clear direction
Company focus
Main company · 100%
How it is used
Shown as company news · not used in the score
Story strength
Not directional
30-day weight
None · 27.5d old
Duplicates
1 consolidated
#1676Tone
TechStock²Direct company coverageStored article

UMC Shares Climb 6% on AI Foundry Investment Defying Market's Semiconductor Downturn

United Microelectronics Corp (UMC) shares climbed over 6% in U.S. premarket trading and in Taiwan, driven by investor confidence in its AI foundry strategy despite a broader semiconductor sector downturn. This surge, adding $2.85 billion to its market capitalization, reflects strong Q2 operational results, including increased revenue, utilization, and gross margin, along with management's optimistic Q3 forecasts and strategic advancements in silicon photonics for AI infrastructure. The stock's performance defied a general market slump for chip stocks and outpaced analysts' average price targets, though analysts currently maintain a "Sell" consensus.

EarningsEconomy MacroFinancial MarketsTechnology
Published
24 Aug 2026 11:11
News subject
Earnings
Why this score
Positive market reaction, Improving financial comparison, Large positive market reaction
Company focus
Shared story · 78%
How it is used
Direct company coverage
Story strength
Medium · 51/100
30-day weight
2% of the score · 28.8d old
Duplicates
1 consolidated

Earlier company news

UMC news archive

102 older headlines

Stored newest first for historical research. It starts after the newest three pages above and then continues through older news. Each archive page is loaded only when it is opened.

Older news is kept in the archive

There are 102 older UMC headlines. Open one page at a time when you need them.

Open older archive

Provider matches checked

Provider mentions not used in the score

5 not scored

A news provider linked these stories to UMC, but the headline and available text are not mainly about United Microelectronics. They are kept here for transparency and do not affect the score, confidence, history or wider market totals.

Provider mentions are kept separate

Open the list to see which provider matches were checked and left out of UMC sentiment.

Open provider mentions

How the page works

How to read the score

The score shows direction

It describes the weighted balance of qualifying headlines. A score of 50 can mean balanced news or that there is not enough evidence; the status label explains which.

Confidence is separate

Confidence measures depth, source breadth, direct relevance, freshness and agreement. It does not rise merely because the tone is extreme.

Price is confirmation

Weekly price response, trend and fair-value position test whether the market is accepting or rejecting the news. They never rewrite the news score.

What the page does

It measures news already published. It is not a forecast, recommendation or price target.

Evidence context