E&R Engineering (ROCO:8027) 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.
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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.

ROCO:8027 E&R Engineering Corp ROCO:8027
46 GF Score
Price NT$169.50
GF Value NT$117.28
Valuation Significantly Overvalued
! 3 Warning Signs
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What is E&R Engineering Defensive Interval Ratio?

ROCO:8027
46GF Score
E&R Engineering Corp ROCO:8027
Defensive Interval Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is E&R Engineering (ROCO:8027) Overvalued in 2026?

Based on GuruFocus' analysis, E&R Engineering stock appears to be overvalued. The current stock price of NT$169.50 is trading 44.5% above its estimated GF Value™ of NT$117.28. GuruFocus considers E&R Engineering to be Significantly Overvalued.

Key valuation signals for ROCO:8027:

  • Defensive Interval Ratio:
  • GF Value™: NT$117.28 vs. price of NT$169.50 (44.5% above fair value)
  • GF Score™: 46/100 with 3 warning signs

No single metric tells the full story. See the ROCO:8027 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

E&R Engineering Business Description

Address Hengshan Road, No. 61, Yanchao District, Kaohsiung, TWN, 824
E&R Engineering Corp engages mainly in the planning, designing, manufacturing, installing, and selling of automatic machines, related components, computer software, and pollution control equipment. Its main product offerings include laser and plasma equipment for semiconductor, LED, and passive component industries; laboratory testing equipment, flexible printed circuit equipment, and semiconductor packaging solutions. The Group operates in the following reportable segments: Automation Equipment, which generates the maximum revenue, Flexible Printed Circuit (FPC), Semiconductor Packaging Materials, and Others. Geographically, it generates maximum revenue from Taiwan, and the rest from Hong Kong and Mainland China, Southeast Asia, America, Europe, and other regions.
46GF Score

Get the complete analysis for ROCO:8027

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

NT$169.50
Price
NT$117.28
GF Value