YJN Co (ROCO:3191) ROE % Adjusted to Book Value: -0.97% (As of Dec. 2025)


ROCO:3191 YJN Co Ltd ROCO:3191
55 GF Score
Price NT$18.80
GF Value NT$15.25
Valuation Modestly Overvalued
! 4 Warning Signs
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What is YJN Co ROE % Adjusted to Book Value?

YJN Co ROCO:3191 55 ROE % Adjusted to Book Value is -0.97% as of Dec. 2025. GuruFocus rates ROCO:3191 with a GF Score™ of 55/100 and a GF Value™ of NT$15.25 (Modestly Overvalued). The stock has 4 warning signs investors should review.

YJN Co's ROE % for the quarter that ended in Dec. 2025 was -3.01%. YJN Co's PB Ratio for the quarter that ended in Dec. 2025 was 3.11. YJN Co's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was -0.97%.


YJN Co ROE % Adjusted to Book Value Related Terms


YJN Co ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for YJN 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.

YJN Co ROE % Adjusted to Book Value Chart

YJN 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 -6.67 -3.76 -4.49 -2.94 2.98

YJN 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 -2.25 -0.95 -13.61 32.31 -0.97

ROCO:3191 vs APH, GLW: ROE % Adjusted to Book Value Comparison

For the Electronic Components subindustry, YJN 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.


YJN Co ROE % Adjusted to Book Value vs Hardware Industry

For the Hardware industry and Technology sector, YJN Co's ROE % Adjusted to Book Value distribution charts can be found below:

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


ROCO:3191
55GF Score
YJN Co Ltd ROCO:3191
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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YJN Co ROE % Adjusted to Book Value Calculation

YJN 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
=9.28% / 3.11
=2.98%

YJN 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
=-3.01% / 3.11
=-0.97%

* 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 -0.97% mean?
YJN Co (ROCO:3191) has a ROE % Adjusted to Book Value of -0.97% 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 YJN Co and its competitors.
Is YJN Co's ROE % Adjusted to Book Value too high?
YJN Co's current ROE % Adjusted to Book Value is -0.97%. Overall, YJN Co has a GF Score™ of 55/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does YJN Co's ROE % Adjusted to Book Value compare to APH and GLW?
YJN Co's ROE % Adjusted to Book Value of -0.97% can be compared against companies in the Hardware 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 Hardware company?
A good ROE % Adjusted to Book Value depends on the Hardware 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 YJN Co and its competitors. YJN Co's current ROE % Adjusted to Book Value is -0.97%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is YJN Co stock overvalued right now?
Based on GuruFocus' analysis, YJN Co (ROCO:3191) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$15.25, compared to a current price of NT$18.80 — trading 23.3% above its estimated fair value. The current ROE % Adjusted to Book Value is -0.97%. YJN Co's overall GF Score™ is 55/100 with 4 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 YJN Co (ROCO:3191), the current ROE % Adjusted to Book Value is -0.97% 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 YJN Co (ROCO:3191) Overvalued in 2026?

Based on GuruFocus' analysis, YJN Co stock appears to be overvalued. The current stock price of NT$18.80 is trading 23.3% above its estimated GF Value™ of NT$15.25. GuruFocus considers YJN Co to be Modestly Overvalued.

Key valuation signals for ROCO:3191:

  • ROE % Adjusted to Book Value: -0.97%
  • GF Value™: NT$15.25 vs. price of NT$18.80 (23.3% above fair value)
  • GF Score™: 55/100 with 4 warning signs

No single metric tells the full story. See the ROCO:3191 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


YJN Co Business Description

Address Sec. 1, Zhonghua Road, 6th Floor- 8th, No. 7, Zhongzheng District, Taipei, TWN, 10043
YJN Co Ltd is a Taiwan-based company engaged in the production and sales of electronic components and electronic materials, as well as import and export trade. The company operates in single segment which is Plastic electronics segment.
55GF Score

Get the complete analysis for ROCO:3191

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

NT$18.80
Price
NT$15.25
GF Value