UMC (United Microelectronics) Defensive Interval Ratio

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

UMC United Microelectronics Corp UMC
76 GF Score
Price $19.08
GF Value $7.96
Valuation Significantly Overvalued
! 4 Warning Signs
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What is United Microelectronics Defensive Interval Ratio?

UMC
76GF Score
United Microelectronics Corp UMC
Defensive Interval Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is United Microelectronics (UMC) Overvalued in 2026?

Based on GuruFocus' analysis, United Microelectronics stock appears to be overvalued. The current stock price of $19.08 is trading 139.7% above its estimated GF Value™ of $7.96. GuruFocus considers United Microelectronics to be Significantly Overvalued.

Key valuation signals for UMC:

  • Defensive Interval Ratio:
  • GF Value™: $7.96 vs. price of $19.08 (139.7% above fair value)
  • GF Score™: 76/100 with 4 warning signs

No single metric tells the full story. See the UMC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


United Microelectronics Business Description

Address No. 3, Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, TWN
Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 19,000 people as of February 2025.
76GF Score

Get the complete analysis for UMC

Defensive Interval Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$19.08
Price
$7.96
GF Value