Jiin Yeeh Ding Enterprise Co (ROCO:8390) ROE % Adjusted to Book Value: 6.78% (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:8390 Jiin Yeeh Ding Enterprise Co Ltd ROCO:8390
78 GF Score
Price NT$94.80
GF Value NT$68.61
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is Jiin Yeeh Ding Enterprise Co ROE % Adjusted to Book Value?

Jiin Yeeh Ding Enterprise Co ROCO:8390 -1.46% 78 ROE % Adjusted to Book Value is 6.78% as of Dec. 2025. GuruFocus rates ROCO:8390 with a GF Score™ of 78/100 and a GF Value™ of NT$68.61 (Significantly Overvalued). The stock has 2 warning signs investors should review.

Jiin Yeeh Ding Enterprise Co's ROE % for the quarter that ended in Dec. 2025 was 16.14%. Jiin Yeeh Ding Enterprise Co's PB Ratio for the quarter that ended in Dec. 2025 was 2.38. Jiin Yeeh Ding Enterprise Co's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was 6.78%.


Jiin Yeeh Ding Enterprise Co ROE % Adjusted to Book Value Related Terms


Jiin Yeeh Ding Enterprise Co ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Jiin Yeeh Ding Enterprise Co'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.

Jiin Yeeh Ding Enterprise Co ROE % Adjusted to Book Value Chart

Jiin Yeeh Ding Enterprise Co 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 10.72 9.08 11.54 8.30 7.70

Jiin Yeeh Ding Enterprise Co 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 7.21 7.32 10.10 14.08 6.78

ROCO:8390 vs WM, RSG, WCN: ROE % Adjusted to Book Value Comparison

For the Waste Management subindustry, Jiin Yeeh Ding Enterprise Co'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.


Jiin Yeeh Ding Enterprise Co ROE % Adjusted to Book Value vs Waste Management Industry

For the Waste Management industry and Industrials sector, Jiin Yeeh Ding Enterprise Co's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Jiin Yeeh Ding Enterprise Co's ROE % Adjusted to Book Value falls into.


ROCO:8390
78GF Score
Jiin Yeeh Ding Enterprise Co Ltd ROCO:8390
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Jiin Yeeh Ding Enterprise Co ROE % Adjusted to Book Value Calculation

Jiin Yeeh Ding Enterprise Co'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
=18.33% / 2.38
=7.70%

Jiin Yeeh Ding Enterprise Co'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
=16.14% / 2.38
=6.78%

* 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 6.78% mean?
Jiin Yeeh Ding Enterprise Co (ROCO:8390) has a ROE % Adjusted to Book Value of 6.78% 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 Jiin Yeeh Ding Enterprise Co and its competitors.
Is Jiin Yeeh Ding Enterprise Co's ROE % Adjusted to Book Value too high?
Jiin Yeeh Ding Enterprise Co's current ROE % Adjusted to Book Value is 6.78%. Overall, Jiin Yeeh Ding Enterprise Co has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Jiin Yeeh Ding Enterprise Co's ROE % Adjusted to Book Value compare to WM and RSG?
Jiin Yeeh Ding Enterprise Co's ROE % Adjusted to Book Value of 6.78% can be compared against companies in the Waste Management 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 a Waste Management company?
A good ROE % Adjusted to Book Value depends on the Waste Management 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 Jiin Yeeh Ding Enterprise Co and its competitors. Jiin Yeeh Ding Enterprise Co's current ROE % Adjusted to Book Value is 6.78%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jiin Yeeh Ding Enterprise Co stock overvalued right now?
Based on GuruFocus' analysis, Jiin Yeeh Ding Enterprise Co (ROCO:8390) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$68.61, compared to a current price of NT$94.80 — trading 38.2% above its estimated fair value. The current ROE % Adjusted to Book Value is 6.78%. Jiin Yeeh Ding Enterprise Co's overall GF Score™ is 78/100 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 Jiin Yeeh Ding Enterprise Co (ROCO:8390), the current ROE % Adjusted to Book Value is 6.78% 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 Jiin Yeeh Ding Enterprise Co (ROCO:8390) Overvalued in 2026?

Based on GuruFocus' analysis, Jiin Yeeh Ding Enterprise Co stock appears to be overvalued. The current stock price of NT$94.80 is trading 38.2% above its estimated GF Value™ of NT$68.61. GuruFocus considers Jiin Yeeh Ding Enterprise Co to be Significantly Overvalued.

Key valuation signals for ROCO:8390:

  • ROE % Adjusted to Book Value: 6.78%
  • GF Value™: NT$68.61 vs. price of NT$94.80 (38.2% above fair value)
  • GF Score™: 78/100 with 2 warning signs

No single metric tells the full story. See the ROCO:8390 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Jiin Yeeh Ding Enterprise Co Business Description

Address Xibin Road, Section 6, No. 599, Xiangshan District, Hsinchu, TWN, 300
Jiin Yeeh Ding Enterprise Co Ltd is engaged in metal recycling and processing, scrap metal trading, and electronic waste removal and processing. The group generates maximum revenue from the sale of recycled copper, followed by gold and mixed metal, including gold, and other products. Geographically, it derives maximum revenue from Taiwan, and the rest from China, Northeast Asia, Europe, and Southeast Asia.
78GF Score

Get the complete analysis for ROCO:8390

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

NT$94.80
Price
NT$68.61
GF Value