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.
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.
Return-on-Tangible-Equity is calculated as Net Income divided by its average total shareholder tangible equity. Total shareholder tangible equity equals to Total Stockholders Equity minus Intangible Assets. Grand Green Energy's annualized net income for the quarter that ended in Dec. 2025 was NT$-75.2 Mil. Grand Green Energy's average shareholder tangible equity for the quarter that ended in Dec. 2025 was NT$370.8 Mil. Therefore, Grand Green Energy's annualized Return-on-Tangible-Equity for the quarter that ended in Dec. 2025 was -20.28%.
The historical rank and industry rank for Grand Green Energy's Return-on-Tangible-Equity or its related term are showing as below:
ROCO:6639'
s Return-on-Tangible-Equity Range Over the Past 10 Years
Min: -20.08 Med: -8.88 Max: 6.37
Current: -12.4
During the past 11 years, Grand Green Energy's highest Return-on-Tangible-Equity was 6.37%. The lowest was -20.08%. And the median was -8.88%.
ROCO:6639's Return-on-Tangible-Equity is ranked worse than 87.54% of 2978
companies
in the Industrial Products industry
Industry Median: 7.01
vs ROCO:6639: -12.40
Grand Green Energy (ROCO:6639) Return-on-Tangible-Equity Explanation
Return-on-Tangible-Equity measures the rate of return on the ownership interest (shareholder's tangible equity) of the common stock owners. It measures a firm's efficiency at generating profits from every unit of shareholders' tangible equity (shareholders equity minus intangibles). Return-on-Tangible-Equity shows how well a company uses investment funds to generate earnings growth. Return-on-Tangible-Equitys between 15% and 20% are considered desirable.
Be Aware
Net Income is used.
Because a company can increase its Return-on-Tangible-Equity by having more financial leverage, it is important to watch the leverage ratio when investing in high Return-on-Tangible-Equity companies. Like Return-on-Tangible-Asset, Return-on-Tangible-Equity is calculated with only 12 months data. Fluctuations in company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.
Asset light businesses require very few assets to generate very high earnings. Their Return-on-Tangible-Equitys can be extremely high.
Grand Green Energy Return-on-Tangible-Equity Related Terms
Grand Green Energy Return-on-Tangible-Equity Historical Data
* Premium members only.
The historical data trend for Grand Green Energy's Return-on-Tangible-Equity 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.
Grand Green Energy Return-on-Tangible-Equity Chart
ROCO:6639 vs GEV, ETN, PH: Return-on-Tangible-Equity Comparison
For the Specialty Industrial Machinery subindustry, Grand Green Energy's Return-on-Tangible-Equity, along with its competitors' market caps and Return-on-Tangible-Equity 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.
Grand Green Energy Return-on-Tangible-Equity vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Grand Green Energy's Return-on-Tangible-Equity distribution charts can be found below:
* The bar in red indicates where Grand Green Energy's Return-on-Tangible-Equity falls into.
* 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.
In the calculation of annual Return-on-Tangible-Equity, the net income of the last fiscal year and the average total shareholder tangible equity over the fiscal year are used. In calculating the quarterly data,
the net income data used here is two times the semi-annual (Dec. 2025) net income data.
Return-on-Tangible-Equity is displayed in the 10-year financial page.
What does a Return-on-Tangible-Equity of -20.28% mean?
Grand Green Energy (ROCO:6639) has a Return-on-Tangible-Equity of -20.28% as of Dec. 2025. Return on tangible equity is the ratio of current-period net income to average two-period tangible equity. View historical data on Grand Green Energy and its competitors. According to the industry distribution chart, Grand Green Energy ranks #2607 out of 2978 companies in the Industrial Products industry, placing it in the top 87.5%.
Is Grand Green Energy's Return-on-Tangible-Equity too high?
Grand Green Energy's current Return-on-Tangible-Equity is -20.28%. Based on the distribution chart, Grand Green Energy ranks #2607 out of 2978 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Grand Green Energy has a GF Score™ of 52/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Grand Green Energy's Return-on-Tangible-Equity compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Grand Green Energy ranks #2607 out of 2978 companies for Return-on-Tangible-Equity. This places Grand Green Energy in the lower half of its industry. The industry median Return-on-Tangible-Equity is 7.01. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Return-on-Tangible-Equity for an Industrial Products company?
The median Return-on-Tangible-Equity among Industrial Products companies is 7.01, based on 2,978 companies in the industry. Companies in the top quartile (top 25%) have a Return-on-Tangible-Equity significantly above this median, while those in the bottom quartile fall well below. However, Return-on-Tangible-Equity 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 Return-on-Tangible-Equity mean?
A high Return-on-Tangible-Equity can signal that a stock is expensive relative to its fundamentals. Return on tangible equity is the ratio of current-period net income to average two-period tangible equity. View historical data on Grand Green Energy and its competitors. For the Industrial Products industry, the median Return-on-Tangible-Equity is 7.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Grand Green Energy's current Return-on-Tangible-Equity is -20.28%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Grand Green Energy stock overvalued right now?
Based on GuruFocus' analysis, Grand Green Energy (ROCO:6639) is currently considered Fairly Valued. The stock's GF Value™ is NT$4.27, compared to a current price of NT$4.30 — trading 0.7% above its estimated fair value. The current Return-on-Tangible-Equity is -20.28%. Grand Green Energy's overall GF Score™ is 52/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Return-on-Tangible-Equity calculated?
Return-on-Tangible-Equity is calculated from a company's financial statements. For Grand Green Energy (ROCO:6639), the current Return-on-Tangible-Equity is -20.28% 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 Grand Green Energy (ROCO:6639) Overvalued in 2026?
Based on GuruFocus' analysis, Grand Green Energy stock appears to be overvalued.
The current stock price of NT$4.30 is trading 0.7% above its estimated GF Value™ of NT$4.27.
GuruFocus considers Grand Green Energy to be Fairly Valued.
Key valuation signals for ROCO:6639:
Return-on-Tangible-Equity: -20.28%
GF Value™: NT$4.27 vs. price of NT$4.30 (0.7% above fair value)
No single metric tells the full story. See the ROCO:6639 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Grand Green Energy Corp is mainly engaged in the development and sale of thermal energy supply system and other thermal equipment. The company caters to textile, food, chemical, and paper industry. It also offers air pollution emission equipment.
52GF Score
Get the complete analysis for ROCO:6639
Return-on-Tangible-Equity is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:6639 has been successfully added to your 
