Tons Lightology (ROCO:4972) ROE % Adjusted to Book Value: -5.89% (As of Dec. 2025)

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ROCO:4972 Tons Lightology Inc ROCO:4972
65 GF Score
Price NT$16.80
GF Value NT$20.13
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Tons Lightology ROE % Adjusted to Book Value?

Tons Lightology ROCO:4972 -0.59% 65 ROE % Adjusted to Book Value is -5.89% as of Dec. 2025. GuruFocus rates ROCO:4972 with a GF Score™ of 65/100 and a GF Value™ of NT$20.13 (Modestly Undervalued). The stock has 3 warning signs investors should review.

Tons Lightology's ROE % for the quarter that ended in Dec. 2025 was -4.18%. Tons Lightology's PB Ratio for the quarter that ended in Dec. 2025 was 0.71. Tons Lightology's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was -5.89%.


Tons Lightology ROE % Adjusted to Book Value Related Terms


Tons Lightology ROE % Adjusted to Book Value Historical Data

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The historical data trend for Tons Lightology'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.

Tons Lightology ROE % Adjusted to Book Value Chart

Tons Lightology 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 7.77 4.58 3.51 0.01 -9.59

Tons Lightology 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 3.47 -5.99 -12.61 -13.84 -5.89

ROCO:4972 vs SN, SGI, MHK: ROE % Adjusted to Book Value Comparison

For the Furnishings, Fixtures & Appliances subindustry, Tons Lightology'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.


Tons Lightology ROE % Adjusted to Book Value vs Furnishings, Fixtures & Appliances Industry

For the Furnishings, Fixtures & Appliances industry and Consumer Cyclical sector, Tons Lightology's ROE % Adjusted to Book Value distribution charts can be found below:

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


ROCO:4972
65GF Score
Tons Lightology Inc ROCO:4972
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Tons Lightology ROE % Adjusted to Book Value Calculation

Tons Lightology'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
=-6.81% / 0.71
=-9.59%

Tons Lightology'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
=-4.18% / 0.71
=-5.89%

* 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 -5.89% mean?
Tons Lightology (ROCO:4972) has a ROE % Adjusted to Book Value of -5.89% 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 Tons Lightology and its competitors.
Is Tons Lightology's ROE % Adjusted to Book Value too high?
Tons Lightology's current ROE % Adjusted to Book Value is -5.89%. Overall, Tons Lightology has a GF Score™ of 65/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Tons Lightology's ROE % Adjusted to Book Value compare to SN and SGI?
Tons Lightology's ROE % Adjusted to Book Value of -5.89% can be compared against companies in the Furnishings, Fixtures & Appliances 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 Furnishings, Fixtures & Appliances company?
A good ROE % Adjusted to Book Value depends on the Furnishings, Fixtures & Appliances 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 Tons Lightology and its competitors. Tons Lightology's current ROE % Adjusted to Book Value is -5.89%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tons Lightology stock overvalued right now?
Based on GuruFocus' analysis, Tons Lightology (ROCO:4972) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$20.13, compared to a current price of NT$16.80 — trading 16.5% below its estimated fair value. The current ROE % Adjusted to Book Value is -5.89%. Tons Lightology's overall GF Score™ is 65/100 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 Tons Lightology (ROCO:4972), the current ROE % Adjusted to Book Value is -5.89% 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 Tons Lightology (ROCO:4972) Overvalued in 2026?

Based on GuruFocus' analysis, Tons Lightology stock appears to be undervalued. The current stock price of NT$16.80 is trading 16.5% below its estimated GF Value™ of NT$20.13. GuruFocus considers Tons Lightology to be Modestly Undervalued.

Key valuation signals for ROCO:4972:

  • ROE % Adjusted to Book Value: -5.89%
  • GF Value™: NT$20.13 vs. price of NT$16.80 (16.5% below fair value)
  • GF Score™: 65/100 with 3 warning signs

No single metric tells the full story. See the ROCO:4972 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tons Lightology Business Description

Address No. 236, Bo’ai Street, 4th Floor, Shulin District, New Taipei, TWN, 23845
Tons Lightology Inc engages in the design, manufacture, and sale of commercial lighting fixtures. The company's operating segment includes Tons Lightology Inc; Titan Lighting Co. Ltd, Zhongshan Tons Lighting Co. Ltd, and StrongLED Lighting System (Cayman) Co. Ltd. It generates maximum revenue from the Tons Lightology Inc. segment. Geographically, it derives a majority of revenue from Europe and also has a presence in Asia, Oceania, and other countries. It focuses on indoor lighting and outdoor lighting. The company's products are used for museum/gallery, commercial, hotel, club, office, and Outdoor applications.
65GF Score

Get the complete analysis for ROCO:4972

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

NT$16.80
Price
NT$20.13
GF Value