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United Microelectronics Corporation

UMC Technology Semiconductors
$20.71
▼ -0.2% Today
as of Sep 4, 16:55 ET
Last 30 days +19.64% Jul 28 → Sep 04
$16.82 $17.88 $18.94 $20.00 $21.06 Jul 28 Aug 05 Aug 12 Aug 20 Aug 27 Sep 04
Open
$20.48
High
$21.03
Low
$20.33
Volume
$10M
Avg Vol
$12M
Mkt Cap
$48.3B
P/E (TTM)
—
Beta
—
52w High
$28.96
52w Low
$6.72
Div Yield
—
Shares Out
—

Recent Press Releases & News last 60 days · 25 items

mixed ▲ 3 ● 22 ▼ 0
Sep 4 · 18:11 MT Newswires neutral
Update: United Microelectronics Shares Rise After August Sales Increase
Sep 4 · 07:23 MT Newswires neutral
United Microelectronics Sales Increase in August
Sep 4 · 06:30 PR Business Wire neutral
UMC Reports Sales for August 2026
▸ Show all 25 press releases & news Free account →

Overview

52-week range
$6.72
$29
63% of range
Avg surprise (last 2)
-12.1%
Avg reaction (last 1)
+3.2%
100% positive
Latest IV / EM
60%
EM ±9.4% · $21 · Sep 18

Earnings trends

EPS — actual vs estimate Actual Estimate
$-0.41$-0.15$0.11$0.38$0.64 Actual $0.09Est $0.10Actual $0.12Est $0.14 Mar/2025Jun/2025

Earnings history

DatePeriodActual EPSEstSurpriseYoY %ΔDay reactSource
Wed Jul 30, 2025Jun/2025 $0.12 $0.14 -14.3% — — earnings
Wed Apr 23, 2025Mar/2025 $0.09 $0.10 -10.0% — +3.2% earnings

Implied volatility — last 90 days

50%74%98%122%147% Jun 07 — IV 77% · EM ±10.7%Jun 08 — IV 83% · EM ±11.0%Jun 09 — IV 90% · EM ±11.2%Jun 10 — IV 84% · EM ±9.9%Jun 11 — IV 83% · EM ±9.2%Jun 12 — IV 102% · EM ±10.4%Jun 15 — IV 84% · EM ±6.1%Jun 16 — IV 147% · EM ±8.7%Jun 17 — IV 109% · EM ±4.5%Jun 19 — IV 79% · EM ±17.4%Jun 22 — IV 99% · EM ±20.7%Jun 23 — IV 92% · EM ±18.9%Jun 24 — IV 99% · EM ±19.9%Jun 25 — IV 91% · EM ±17.8%Jun 26 — IV 87% · EM ±16.7%Jun 29 — IV 94% · EM ±16.6%Jun 30 — IV 91% · EM ±15.7%Jul 01 — IV 92% · EM ±15.4%Jul 02 — IV 91% · EM ±14.8%Jul 03 — IV 95% · EM ±14.9%Jul 06 — IV 98% · EM ±13.6%Jul 07 — IV 102% · EM ±13.4%Jul 08 — IV 100% · EM ±12.6%Jul 09 — IV 93% · EM ±10.9%Jul 10 — IV 81% · EM ±8.9%Jul 13 — IV 92% · EM ±7.7%Jul 14 — IV 107% · EM ±7.8%Jul 15 — IV 108% · EM ±6.4%Jul 16 — IV 103% · EM ±4.3%Jul 20 — IV 100% · EM ±23.7%Jul 21 — IV 99% · EM ±23.0%Jul 22 — IV 96% · EM ±22.0%Jul 23 — IV 94% · EM ±21.2%Jul 24 — IV 93% · EM ±20.6%Jul 27 — IV 98% · EM ±20.4%Jul 28 — IV 99% · EM ±20.3%Jul 29 — IV 91% · EM ±18.2%Jul 30 — IV 84% · EM ±16.6%Jul 31 — IV 85% · EM ±16.2%Aug 03 — IV 89% · EM ±15.7%Aug 04 — IV 92% · EM ±15.8%Aug 05 — IV 90% · EM ±15.0%Aug 06 — IV 76% · EM ±12.4%Aug 07 — IV 73% · EM ±11.3%Aug 10 — IV 77% · EM ±10.7%Aug 11 — IV 69% · EM ±9.1%Aug 12 — IV 56% · EM ±7.0%Aug 13 — IV 53% · EM ±6.3%Aug 14 — IV 57% · EM ±6.3%Aug 17 — IV 95% · EM ±7.9%Aug 18 — IV 56% · EM ±4.1%Aug 19 — IV 86% · EM ±5.1%Aug 20 — IV 76% · EM ±3.2%Aug 24 — IV 57% · EM ±11.9%Aug 25 — IV 60% · EM ±12.2%Aug 26 — IV 51% · EM ±10.1%Aug 27 — IV 55% · EM ±10.7%Aug 28 — IV 61% · EM ±11.6%Aug 31 — IV 61% · EM ±10.8%Sep 01 — IV 53% · EM ±9.1%Sep 02 — IV 50% · EM ±8.4%Sep 03 — IV 57% · EM ±9.2%Sep 04 — IV 60% · EM ±9.4%

Sector peers

NVDA
NVIDIA Corporation
$5.5T $230.09-0.1%
AAPL
Apple Inc.
$4.6T $319.80-0.1%
GOOG
Alphabet Inc.
$4.1T $335.80+0.1%
GOOGL
Alphabet Inc.
$4.1T $338.81+0.1%
MSFT
Microsoft Corporation
$3.7T $474.49-5.0%
TSM
Taiwan Semiconductor Manufacturing Company Ltd.
$2.2T $427.86-0.1%
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