Atech OEM (ROCO:6109) ROE % Adjusted to Book Value: 1.36% (As of Dec. 2025)

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.

ROCO:6109 Atech OEM Inc ROCO:6109
59 GF Score
Price NT$11.90
GF Value NT$10.02
Valuation Modestly Overvalued
! 2 Warning Signs
View Full Analysis

What is Atech OEM ROE % Adjusted to Book Value?

Atech OEM ROCO:6109 +0.85% 59 ROE % Adjusted to Book Value is 1.36% as of Dec. 2025. GuruFocus rates ROCO:6109 with a GF Score™ of 59/100 and a GF Value™ of NT$10.02 (Modestly Overvalued). The stock has 2 warning signs investors should review.

Atech OEM's ROE % for the quarter that ended in Dec. 2025 was 1.87%. Atech OEM's PB Ratio for the quarter that ended in Dec. 2025 was 1.38. Atech OEM's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was 1.36%.


Atech OEM ROE % Adjusted to Book Value Related Terms


Atech OEM ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Atech OEM'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.

Atech OEM ROE % Adjusted to Book Value Chart

Atech OEM 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 -10.78 7.73 1.84 -12.46 -7.52

Atech OEM 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 -24.81 -15.48 -16.43 -5.69 1.36

ROCO:6109 vs VRT, BE: ROE % Adjusted to Book Value Comparison

For the Electrical Equipment & Parts subindustry, Atech OEM'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.


Atech OEM ROE % Adjusted to Book Value vs Industrial Products Industry

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

* The bar in red indicates where Atech OEM's ROE % Adjusted to Book Value falls into.


ROCO:6109
59GF Score
Atech OEM Inc ROCO:6109
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Atech OEM ROE % Adjusted to Book Value Calculation

Atech OEM'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
=-10.38% / 1.38
=-7.52%

Atech OEM'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
=1.87% / 1.38
=1.36%

* 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 1.36% mean?
Atech OEM (ROCO:6109) has a ROE % Adjusted to Book Value of 1.36% 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 Atech OEM and its competitors.
Is Atech OEM's ROE % Adjusted to Book Value too high?
Atech OEM's current ROE % Adjusted to Book Value is 1.36%. Overall, Atech OEM has a GF Score™ of 59/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Atech OEM's ROE % Adjusted to Book Value compare to VRT and BE?
Atech OEM's ROE % Adjusted to Book Value of 1.36% 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 Atech OEM and its competitors. Atech OEM's current ROE % Adjusted to Book Value is 1.36%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Atech OEM stock overvalued right now?
Based on GuruFocus' analysis, Atech OEM (ROCO:6109) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$10.02, compared to a current price of NT$11.90 — trading 18.8% above its estimated fair value. The current ROE % Adjusted to Book Value is 1.36%. Atech OEM's overall GF Score™ is 59/100 with 2 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 Atech OEM (ROCO:6109), the current ROE % Adjusted to Book Value is 1.36% 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 Atech OEM (ROCO:6109) Overvalued in 2026?

Based on GuruFocus' analysis, Atech OEM stock appears to be overvalued. The current stock price of NT$11.90 is trading 18.8% above its estimated GF Value™ of NT$10.02. GuruFocus considers Atech OEM to be Modestly Overvalued.

Key valuation signals for ROCO:6109:

  • ROE % Adjusted to Book Value: 1.36%
  • GF Value™: NT$10.02 vs. price of NT$11.90 (18.8% above fair value)
  • GF Score™: 59/100 with 2 warning signs

No single metric tells the full story. See the ROCO:6109 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Atech OEM Business Description

Address Lane 235, Baoqiao Road, 2nd Floor, No. 135, Xindian District, New Taipei City, TWN, 10607
Atech OEM Inc main business is the processing, manufacturing, and trading of power supply units, power transformers for communication devices, mobile phone chargers, and wireless Bluetooth products. The company's products and services includes Power supply unit, Bluetooth wireless product, Service revenue, and Others. It has two operating segments Power segment, and Wireless segment. The company generates majority of revenue from Power segment. It has presence in Taiwan, China, U.S.A., U.K., EU, Japan, Vietnam, and Others. The company generates majority of revenue from China.
59GF Score

Get the complete analysis for ROCO:6109

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

NT$11.90
Price
NT$10.02
GF Value