E&R Engineering (ROCO:8027) ROE % Adjusted to Book Value: 2.46% (As of Dec. 2025)

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ROCO:8027 E&R Engineering Corp ROCO:8027
40 GF Score
Price NT$239.00
GF Value NT$102.36
Valuation Significantly Overvalued
! 3 Warning Signs
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What is E&R Engineering ROE % Adjusted to Book Value?

E&R Engineering ROCO:8027 -2.05% 40 ROE % Adjusted to Book Value is 2.46% as of Dec. 2025. GuruFocus rates ROCO:8027 with a GF Score™ of 40/100 and a GF Value™ of NT$102.36 (Significantly Overvalued). The stock has 3 warning signs investors should review.

E&R Engineering's ROE % for the quarter that ended in Dec. 2025 was 10.68%. E&R Engineering's PB Ratio for the quarter that ended in Dec. 2025 was 4.34. E&R Engineering's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was 2.46%.


E&R Engineering ROE % Adjusted to Book Value Related Terms


E&R Engineering ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for E&R Engineering's ROE % Adjusted to Book Value can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

E&R Engineering ROE % Adjusted to Book Value Chart

E&R Engineering Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.64 8.09 0.47 -0.63 -0.82

E&R Engineering Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -0.69 -3.29 -5.18 0.57 2.46

ROCO:8027 vs GEV, ETN, PH: ROE % Adjusted to Book Value Comparison

For the Specialty Industrial Machinery subindustry, E&R Engineering's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


E&R Engineering ROE % Adjusted to Book Value vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, E&R Engineering's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where E&R Engineering's ROE % Adjusted to Book Value falls into.


ROCO:8027
40GF Score
E&R Engineering Corp ROCO:8027
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

E&R Engineering ROE % Adjusted to Book Value Calculation

E&R Engineering's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-3.58% / 4.34
=-0.82%

E&R Engineering's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=10.68% / 4.34
=2.46%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a ROE % Adjusted to Book Value of 2.46% mean?
E&R Engineering (ROCO:8027) has a ROE % Adjusted to Book Value of 2.46% as of Dec. 2025. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on E&R Engineering and its competitors.
Is E&R Engineering's ROE % Adjusted to Book Value too high?
E&R Engineering's current ROE % Adjusted to Book Value is 2.46%. Overall, E&R Engineering has a GF Score™ of 40/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does E&R Engineering's ROE % Adjusted to Book Value compare to GEV and ETN?
E&R Engineering's ROE % Adjusted to Book Value of 2.46% can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for an Industrial Products company?
A good ROE % Adjusted to Book Value depends on the Industrial Products industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on E&R Engineering and its competitors. E&R Engineering's current ROE % Adjusted to Book Value is 2.46%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is E&R Engineering stock overvalued right now?
Based on GuruFocus' analysis, E&R Engineering (ROCO:8027) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$102.36, compared to a current price of NT$239.00 — trading 133.5% above its estimated fair value. The current ROE % Adjusted to Book Value is 2.46%. E&R Engineering's overall GF Score™ is 40/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For E&R Engineering (ROCO:8027), the current ROE % Adjusted to Book Value is 2.46% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

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$239.00 is trading 133.5% above its estimated GF Value™ of NT$102.36. GuruFocus considers E&R Engineering to be Significantly Overvalued.

Key valuation signals for ROCO:8027:

  • ROE % Adjusted to Book Value: 2.46%
  • GF Value™: NT$102.36 vs. price of NT$239.00 (133.5% above fair value)
  • GF Score™: 40/100 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.
40GF Score

Get the complete analysis for ROCO:8027

ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$239.00
Price
NT$102.36
GF Value