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UMC · United Microelectronics Corp

Track UMC — free
$18.34 +0.34 (+1.89%) At close · Aug 21
Market Cap
$46.00B
Shares
2.51B

Price & Indicators

20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$18.34 Open$18.45 Day$18.28–18.61 52W close$6.58–28.01 Avg vol 30d14.6M Short int34.2M · 1.4% float · 1.9d Short vol53% Last earningsOct 28, 2026 DataJan 2020–Aug 2026

Up next

Next earnings call
Oct 28, 2026 Scheduled · in 9 wks
FQ3-26 quarter ends
~Sep 30, 2026 Est

Equibles Rating

blended score · not investment advice
Overall
Neutral
SellHoldBuy
Technical Neutral Momentum Strong Sentiment Neutral Fundamentals Limited Quant / Vol Very High
Market backdrop VIX 15.1 · calm Equity put/call 0.51
Technical
price trend
Neutral
50 / 200-day cross No cross
Price vs 200-day avg +34%
above
Price vs 50-day avg −16%
below
RSI (14) 42
neutral
MACD trend Positive
52-week position 55%
mid-range
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Strong
1-month return −6%
trailing
6-month return +75%
trailing
YTD return +133%
this year
Relative strength +63%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50d $22 › 200d $14 — 50d above 200d
Institutional flow Accumulating
+14% holders QoQ · +93 funds added
Insider flow Distributing
Net -$296.0M over 90 days · 100% sells
Short interest Rising
1.36% of float · ▲ +66.7% MoM · 1.9 days cover
Volume signal Normal
Volume near normal
Institution breadth Multi-yr high
368 holders — near 3-yr high, broad support
Squeeze score 49
elevated · 0–100
Fundamentals
Limited
Not enough data for a confident read.
Quant / Vol
risk profile
Very High
Volatility 62%
annualized · 1-yr
Max drawdown −39%
past year
ATR 6.0%
of price · 14-day

Blended from price, momentum, positioning, fundamentals & volatility · daily-close · not investment advice. Market backdrop is context, not part of the score.

Guidance & track record

Latest guidance · from the Earnings Call filed Jun 30, 2026
2026
Capex $1.5B
AI-related revenue $300M
across 2026 and 2027
CAPEX $5B
Prior guidance period ended · from the Earnings Call filed Mar 31, 2026
Gross margin · second quarter 2026 30%

Guidance from company 8-Ks · delivered figures from as-reported statements · no analyst estimates involved.

Technicals

trend & momentum for long-term holders Neutral
1 · 4 · 2
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
+34% Bullish
Price vs 50-day avg
−16% Bearish
RSI (14)
42 Neutral
MACD trend
Positive Bullish
52-week position
55% Neutral
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Mixed
Trend (MA cross) No cross
50d $22 › 200d $14 — 50d above 200d
Institutional flow Accumulating
+14% holders QoQ · +93 funds added
Insider flow Distributing
Net -$296.0M over 90 days · 100% sells
Short interest Rising
1.36% of float · ▲ +66.7% MoM · 1.9 days cover
Volume signal Normal
Volume near normal
Institution breadth Multi-yr high
368 holders — near 3-yr high, broad support
Price context
position in its 52-week range
Range low $7 Now $18 · 55% Range high $28
vs 200-day avg +34% vs 50-day avg -16%

Illustrative technical + ownership context — a signal mix, not investment advice.

Versus peers

Semiconductors — same industry group
Open screener →
Company Mkt cap YTD Rev growth Y/Y P/E Short % shares
UMC
United Microelectronics Corp
this stock
$46.00B +133.3% 1.4%
NVDA
Nvidia Corp
$5.20T +15.1% +65.5% 32.9 1.2%
TSM
Taiwan Semiconductor Manufacturing Co Ltd
$2.17T +37.9% 0.6%
AVGO
Broadcom Inc.
$1.75T +6.5% +18.2% 61.3 1.3%
SKHY
SK hynix Inc.
$1.16T 0.3%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section
Ownership
Institutional Holders Accumulating
Holders
368
% held
7.7%
Net QoQ
+14.6M sh
Top holder
BlackRock, Inc.
Held Float
View
Held by Funds
Fund positions
54
View
Short & Settlement
Short Interest Rising
Shares short
34.2M
Days to cover
1.9d
Change
+13.7M sh
View
Short Volume
Short vol %
53%
As of
Aug 21, 2026
Short Total
View
Fails to Deliver
FTD shares
19.4K
Value
$366.6K
As of
Jul 31, 2026
View
Off-Exchange
Off-exchange %
31.4%
Week of
Jul 13, 2026
Off-exch Lit
View
Smart Money
Insider Trades Net selling
Net (90d)
-$296.0M
Buyers / Sellers
0 / 2
Buyers Sellers
View
Filings
SEC Filings
Latest
6-K
Filed
Aug 14, 2026
This year
44
View
Earnings & Events
Earnings Calls Upcoming
Next call
Oct 28, 2026
Last call
Jul 29, 2026
View
Investor Relations
Upcoming events
1
View

Performance

5D 20D 120D MTD YTD
UMC -4.2% -5.9% +74.5% -3.6% +133.3%
SPY -1.4% +3.6% +11.6% +2.5% +12.3%
vs SPY -2.9% -9.5% +62.9% -6.1% +121.0%

Capital returns

Latest dividend
$0.412 / share · ex Jul 8, 2026
Cut 14.7%
Paid (TTM)
$0.412 / share · 1 payout
Dividend yield (TTM, derived)
· history filling in

Dividends per share over the trailing 365 days by ex-date · buyback figures as last reported in SEC filings ("spent" derived as authorized − remaining; when several programs run concurrently, authorized is their combined total per the newest filing) · components shown separately — trailing-year buyback spend isn't tracked, so no combined shareholder yield is derived.

Key facts CIK 1033767 CUSIP 910873405 13F (30d) 320 filings 294 filers Visit website Investor relations