Tons Lightology (ROCO:4972) ROC (Joel Greenblatt) %: -25.23% (As of Mar. 2026)

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ROCO:4972 Tons Lightology Inc ROCO:4972
63 GF Score
Price NT$16.45
GF Value NT$19.70
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Tons Lightology ROC (Joel Greenblatt) %?

Tons Lightology ROCO:4972 -0.30% 63 ROC (Joel Greenblatt) % is -25.23% as of Mar. 2026. GuruFocus rates ROCO:4972 with a GF Score™ of 63/100 and a GF Value™ of NT$19.70 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 433 Furnishings, Fixtures & Appliances companies, Tons Lightology ranks worse than 90.07% on this metric.

Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits). He defines ROC (Joel Greenblatt) % as EBIT divided by the total of Property, Plant and Equipment and net working capital. Tons Lightology's annualized ROC (Joel Greenblatt) % for the quarter that ended in Mar. 2026 was -25.23%.

The historical rank and industry rank for Tons Lightology's ROC (Joel Greenblatt) % or its related term are showing as below:

ROCO:4972' s ROC (Joel Greenblatt) % Range Over the Past 10 Years
Min: -22.46   Med: 22.37   Max: 34.42
Current: -22.46

During the past 13 years, Tons Lightology's highest ROC (Joel Greenblatt) % was 34.42%. The lowest was -22.46%. And the median was 22.37%.

ROCO:4972's ROC (Joel Greenblatt) % is ranked worse than
90.07% of 433 companies
in the Furnishings, Fixtures & Appliances industry
Industry Median: 9.37 vs ROCO:4972: -22.46

Tons Lightology's 5-Year average Growth Rate of ROC (Joel Greenblatt) % was 0.00% per year.


Tons Lightology  (ROCO:4972) ROC (Joel Greenblatt) % Explanation

The way Joel Greenblatt defines Return on Capital is a more accurate measure of how efficiently the company generates returns onthe capital actually invested in the business. EBIT is used instead of net income because the tax and interest payment may be affected by factors other than the core business operation. Intangible assets are not included in the calculation because they don't need to be replaced.

Joel Greenblatt uses his definition of Return on Capital and Earnings Yield (Joel Greenblatt) % to rank companies.


Tons Lightology ROC (Joel Greenblatt) % Related Terms


Tons Lightology ROC (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Tons Lightology's ROC (Joel Greenblatt) % 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 ROC (Joel Greenblatt) % Chart

Tons Lightology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROC (Joel Greenblatt) %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 30.90 17.92 14.91 2.51 -18.78

Tons Lightology Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
ROC (Joel Greenblatt) % 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 -15.94 -29.36 -33.72 -3.58 -25.23

ROCO:4972 vs SN, SGI, MHK: ROC (Joel Greenblatt) % Comparison

For the Furnishings, Fixtures & Appliances subindustry, Tons Lightology's ROC (Joel Greenblatt) %, along with its competitors' market caps and ROC (Joel Greenblatt) % 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 ROC (Joel Greenblatt) % vs Furnishings, Fixtures & Appliances Industry

For the Furnishings, Fixtures & Appliances industry and Consumer Cyclical sector, Tons Lightology's ROC (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where Tons Lightology's ROC (Joel Greenblatt) % falls into.


ROCO:4972
63GF Score
Tons Lightology Inc ROCO:4972
ROC (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tons Lightology ROC (Joel Greenblatt) % Calculation

Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits) . He defines Return on Capital as follows:

ROC (Joel Greenblatt) %=EBIT/Average of (Net fixed Assets + Net Working Capital)

EBIT stands for Earnings Before Interest and Taxes.

Fixed Assets are also known as non-current assets. They include the Property, Plant and Equipment that the firm needs in its operation.

GuruFocus calculates net working capital as: (Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Deferred Revenue + Other Current Liabilities). We're trying to account for OPERATING assets and liabilities (part of daily business) when calculating working capital. Cash and marketable securities are considered NON-OPERATING assets and are not included in calculation. We will also back out all interest bearing debt, short term debt and the portion of long term debt that is due in the current period from the current liabilities. This debt will be considered when computing cost of capital and it would be inappropriate to count it twice.

Working Capital(Q: Dec. 2025 )
=(Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Defer. Rev. + Other Current Liabilities)
=(159.982 + 155.553 + 29.179) - (240.086 + 0 + 52.582)
=52.046

Working Capital(Q: Mar. 2026 )
=(Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Defer. Rev. + Other Current Liabilities)
=(136.741 + 153.22 + 35.016) - (211.228 + 0 + 46.85)
=66.899

When net working capital is negative, 0 is used.

So ROC (Joel Greenblatt) % of Tons Lightology for the quarter that ended in Mar. 2026 can be restated as:

ROC (Joel Greenblatt) %(Q: Mar. 2026 )
=EBIT/Average of (Net fixed Assets + Net Working Capital)
=EBIT/Average of (Property, Plant and Equipment+Net Working Capital)
     Q: Dec. 2025  Q: Mar. 2026
=EBIT/( ( (Property, Plant and Equipment + Net Working Capital) + (Property, Plant and Equipment + Net Working Capital) )/ count )
=-130.536/( ( (456.996 + max(52.046, 0)) + (458.976 + max(66.899, 0)) )/ 2 )
=-130.536/( ( 509.042 + 525.875 )/ 2 )
=-130.536/517.4585
=-25.23 %

Note: The EBIT data used here is four times the quarterly (Mar. 2026) EBIT data.

* 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 ROC (Joel Greenblatt) % of -25.23% mean?
Tons Lightology (ROCO:4972) has a ROC (Joel Greenblatt) % of -25.23% as of Mar. 2026. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on Tons Lightology and its competitors. According to the industry distribution chart, Tons Lightology ranks #390 out of 433 companies in the Furnishings, Fixtures & Appliances industry, placing it in the top 90.1%.
Is Tons Lightology's ROC (Joel Greenblatt) % too high?
Tons Lightology's current ROC (Joel Greenblatt) % is -25.23%. Based on the distribution chart, Tons Lightology ranks #390 out of 433 companies in the Furnishings, Fixtures & Appliances industry, which is in the bottom quartile relative to peers. Overall, Tons Lightology has a GF Score™ of 63/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Tons Lightology's ROC (Joel Greenblatt) % compare to SN and SGI?
According to the Furnishings, Fixtures & Appliances industry distribution chart, Tons Lightology ranks #390 out of 433 companies for ROC (Joel Greenblatt) %. This places Tons Lightology in the lower half of its industry. The industry median ROC (Joel Greenblatt) % is 9.37. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROC (Joel Greenblatt) % for a Furnishings, Fixtures & Appliances company?
The median ROC (Joel Greenblatt) % among Furnishings, Fixtures & Appliances companies is 9.37, based on 433 companies in the industry. Companies in the top quartile (top 25%) have a ROC (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, ROC (Joel Greenblatt) % 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 ROC (Joel Greenblatt) % mean?
A high ROC (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on Tons Lightology and its competitors. For the Furnishings, Fixtures & Appliances industry, the median ROC (Joel Greenblatt) % is 9.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tons Lightology's current ROC (Joel Greenblatt) % is -25.23%. 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$19.70, compared to a current price of NT$16.45 — trading 16.5% below its estimated fair value. The current ROC (Joel Greenblatt) % is -25.23%. Tons Lightology's overall GF Score™ is 63/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROC (Joel Greenblatt) % calculated?
ROC (Joel Greenblatt) % is calculated from a company's financial statements. For Tons Lightology (ROCO:4972), the current ROC (Joel Greenblatt) % is -25.23% as of Mar. 2026. 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$16.45 is trading 16.5% below its estimated GF Value™ of NT$19.70. GuruFocus considers Tons Lightology to be Modestly Undervalued.

Key valuation signals for ROCO:4972:

  • ROC (Joel Greenblatt) %: -25.23%
  • GF Value™: NT$19.70 vs. price of NT$16.45 (16.5% below fair value)
  • GF Score™: 63/100 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.
63GF Score

Get the complete analysis for ROCO:4972

ROC (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$16.45
Price
NT$19.70
GF Value