Why UMC Stock dropped -4.14% Today — RQD Quant Desk Flash

$18.04 -4.14% NYSE • Live Quote vs Prior Daily Close (Synced Snapshot)

United Microelectronics Corporation (UMC) carries a Roarable Rating of C (Hold) with 65/100 RQD Confidence. The composite score sits in the neutral Hold band (59–69), meaning current holders don’t need to panic-sell while prospective buyers can wait for a move into the 70+ Buy zone.

ROARABLE C • HOLD / WATCH Cap $45.42B
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Why UMC Stock dropped -4.14% Today — RQD Quant Desk Flash

United Microelectronics Corporation (UMC) dropped -4.14% to $18.04, trading at 50% of its 52-week range ($6.97 – $28.96). Solid steady margins (15% return on capital), mixed timing at 22x P/E—hold if owned, no rush to chase.

  • ▸Technical Tape: Trading at 50% of its 52-week range ($6.97 – $28.96) with RSI-14 at 36.9 (NEUTRAL RANGE).
  • ▸Volatility Profile: Historical 20-day realized swing band of ±7% around $18.04 (no active unusual options sweep snapshot on file).
  • ▸Fundamental Anchor: Roarable C (Hold) backed by 52% gross margin and $1.8B annual free cash flow.
Live UMC Headlines & Catalysts
MARKET WIREYahoo • 4d ago
UMC Reports Third Quarter 2026 Results

TAIPEI, Taiwan, October 28, 2026--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) ("UMC" or "The Company"), a leading global semiconductor foundry, today announced its consolidated operating results for the t

MARKET WIREBenzinga • 4d ago
United Microelectronics Q3 2026 Earnings Call Transcript

United Microelectronics (NYSE:UMC) reported third-quarter financial results on Wednesday. The transcript from the company’s third-quarter earnings call has been provided below.This transcript is brought to you by

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Scheduled RQD Strong Buys & Whale Accumulation Briefing (UMC Tape Review)

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UMC // CANDLESTICK & AUTO-TRENDLINE WORKSTATION6M: +38.98%📐 HORIZONTAL RANGE
2026-11-01O $18.82H $18.82L $18.04C $18.04VOL 12.52M
RES: $30.02SUP: $12.09SMA50: $21.62SMA200: $17.10
$30.39$24.45$18.52$12.58$6.64RES $30.02SUP $12.09$18.042026-05-042026-06-172026-08-042026-09-172026-11-01
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UMC Dilution Monitor, Expectations Hurdle, Butterfly Connections & Policy Exposure

Share Count & Dilution Monitor (#25)

Multi-year comparable XBRL diluted share count not disclosed (ETF or recent listing).

Reverse-DCF Expectations Hurdle (#30)
15.4%/yr Implied 5Y Growth

vs. -2.2% actual YoY revenue growth (assuming 9.25% cost of equity & 16.5x terminal multiple).

Ellis Vennor Setup Ledger (#33)

No active Ellis Vennor swing setup published on UMC today. View full Setup Ledger →

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No direct multi-tier Butterfly edges indexed yet for UMC. Explore sector supply chains on /butterfly.

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🎬 No recent verified company-specific video clip queued for UMC today (we never pad ticker pages with unrelated generic clips). Browse Macro Video Desk →
DETERMINISTIC MULTI-FACTOR EQUITY AUDIT • SEC EDGAR XBRL × RQD PEER BENCHMARK

📊 Quantitative Sector Peer Comparison, SEC Filing Delta & Investment FAQ (UMC)

Technology Rank #121 of 241 ⚔️ STM vs UMC Full Matrix →

1. Head-to-Head Technology Peer Comparison (UMC vs. STM, MCHP, ALAB, MPWR)

Industry: Semiconductors (45 Tracked Issuers)

Across 241 tracked Technology securities in the Roarable RQD universe, United Microelectronics Corporation (UMC) ranks #121 by composite RQD confidence (65/100, grade C) and #71 by equity capitalization ($45.42B). Within this direct 5-issuer industry benchmark cohort, UMC leads on earnings valuation at 21.7x trailing P/E, while UMC leads on capital efficiency and profitability with 14.9% ROIC and — gross margin. MCHP currently holds the highest overall quantitative score in the immediate peer group at 68/100 (C+) compared with UMC at 65/100 (C).

Ticker / Company Roarable Grade RQD Score Trailing P/E Gross Margin ROIC 1D Change Market Cap Head-to-Head
UMC ACTIVE
United Microelectronics Corporation
C 65/100 21.7x — 14.9% -4.14% $45.42B Benchmark Subject
STM
STMicroelectronics N.V.
D+ 56/100 — 33.9% 0.8% +3.03% $44.62B /stm-vs-umc →
MCHP
Microchip Technology Incorporated
C+ 68/100 — 57.7% 3.3% +1.87% $44.05B /mchp-vs-umc →
ALAB
Astera Labs Inc.
C+ 68/100 — 75.7% 3.4% -2.28% $50.39B /alab-vs-umc →
MPWR
Monolithic Power Systems Inc.
C- 61/100 94.8x 55.2% 12.2% -1.02% $58.91B /mpwr-vs-umc →

2. UMC Fundamental Profitability, Capital Efficiency & Balance-Sheet Forensics

TRAILING 12M & FORWARD QUANTITATIVE SNAPSHOT

United Microelectronics Corporation (UMC) operates in Semiconductors (Technology) with an equity capitalization of $45.42B, trailing P/E of 21.7x, forward P/E of 20.2x, and EV/EBITDA of 14.9x. Operating profitability registers a gross margin of —, operating margin of 21.1%, net profit margin of 16.4%, ROIC of 14.9%, and free cash flow yield of 3.99%, alongside an Altman Z-Score of 3.87 and Piotroski F-Score of 7/9.

3. UMC Data-Verified Investor FAQ (RQD Rating, Sector Peers, SEC Forensics & Technicals)

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Is UMC stock a Buy, Hold, or Sell right now according to Roarable's RQD model?

As of 2026-11-01, United Microelectronics Corporation (NYSE: UMC) is rated C (Hold / HOLD) by Roarable's 5-pillar RQD engine with a composite confidence score of 65/100 at a spot price of $18.04 (-4.14% 1D, market cap $45.42B). Pillar breakdown: Fundamental Cash Engine 12/20, Institutional 13F & Options Flow 8/20, Executive Insider Alignment 16/20, FRED Macro Regime Fit 13/20, and SEC Balance-Sheet Forensics 16/20. Across 241 tracked Technology issuers, UMC ranks #121 in composite RQD confidence.

How does UMC compare to STM and MCHP in the Technology sector?

Within the Technology sector (Semiconductors), UMC carries a Roarable C (65/100 RQD), trailing P/E of 21.7x, gross margin of —, and ROIC of 14.9%. By comparison, STM (STMicroelectronics N.V.) holds a D+ grade (56/100 RQD, P/E N/A, ROIC 0.8%, cap $44.62B) and MCHP (Microchip Technology Incorporated) posts a C+ grade (68/100 RQD, P/E N/A, ROIC 3.3%, cap $44.05B). Among the 5-stock peer group, UMC leads on earnings multiple (21.7x) while UMC leads on capital efficiency (14.9% ROIC).

What are the biggest fundamental strengths and SEC risk factors for UMC?

For United Microelectronics Corporation (UMC), key quantitative strengths include Company leadership has skin in the game with net positive insider conviction. and Clean SEC annual filing review with no major hidden accounting time-bombs., while primary risk factors center on Broader market pullbacks can still drag down strong stocks in the short run. and implied 5-year growth hurdle of 15.4%/yr. Institutional options positioning shows a 50% call / 50% put premium split.

Where is UMC trading relative to its 50-day, 200-day, and 52-week technical levels?

UMC last traded at $18.04 (-4.14% on volume of 12,521,784 shares), positioning the stock -16.56% below its 50-day simple moving average ($21.62) and +5.50% above its 200-day simple moving average ($17.10). Across its 52-week range of $6.97 to $28.96, UMC sits at the 50.3% percentile with a 14-day RSI of 36.9 (NEUTRAL RANGE) and an implied next-earnings move of ±7.0% ($16.78 to $19.30).

UMC Investor FAQ & Complete 8-Part Research Index

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Why is UMC stock moving today?

Why UMC Stock dropped -4.14% Today — RQD Quant Desk Flash. Solid steady margins (15% return on capital), mixed timing at 22x P/E—hold if owned, no rush to chase.