Grand Green Energy (ROCO:6639) FCF Yield %: 1.06 (As of Jul. 07, 2026)


ROCO:6639 Grand Green Energy Corp ROCO:6639
50 GF Score
Price NT$5.99
GF Value NT$4.36
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Grand Green Energy FCF Yield %?

Grand Green Energy ROCO:6639 50 FCF Yield % is 1.06 as of Jul. 07, 2026. GuruFocus rates ROCO:6639 with a GF Score™ of 50/100 and a GF Value™ of NT$4.36 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 3,059 Industrial Products companies, Grand Green Energy ranks better than 54.14% on this metric.

FCF Yield % is calculated as Free Cash Flow divided by Market Capitalization. It is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

As of today, Grand Green Energy's Trailing 12-Month Free Cash Flow is NT$3.7 Mil, and Market Cap is NT$345.3 Mil. Therefore, Grand Green Energy's FCF Yield % for today is 1.06%.

The historical rank and industry rank for Grand Green Energy's FCF Yield % or its related term are showing as below:

ROCO:6639' s FCF Yield % Range Over the Past 10 Years
Min: -24.15   Med: -6.83   Max: 4.51
Current: 1.06


During the past 11 years, the highest FCF Yield % of Grand Green Energy was 4.51%. The lowest was -24.15%. And the median was -6.83%.

ROCO:6639's FCF Yield % is ranked better than
54.14% of 3059 companies
in the Industrial Products industry
Industry Median: 0.55 vs ROCO:6639: 1.06

Grand Green Energy's FCF Margin % for the quarter that ended in Dec. 2025 was 60.56%.


Grand Green Energy FCF Yield % Explanation

Similar to Earnings Yield %, FCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high free cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


Grand Green Energy FCF Yield % Related Terms


Grand Green Energy FCF Yield % Historical Data

* Premium members only.

The historical data trend for Grand Green Energy's FCF Yield % 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 FCF Yield % Chart

Grand Green Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -16.22 -22.28 -2.24 -6.56 0.90

Grand Green Energy Semi-Annual Data
Dec15 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
FCF Yield % 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 -3.54 0.15 -13.31 -9.84 13.23

ROCO:6639 vs GEV, ETN, PH: FCF Yield % Comparison

For the Specialty Industrial Machinery subindustry, Grand Green Energy's FCF Yield %, along with its competitors' market caps and FCF Yield % 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 FCF Yield % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Grand Green Energy's FCF Yield % distribution charts can be found below:

* The bar in red indicates where Grand Green Energy's FCF Yield % falls into.


ROCO:6639
50GF Score
Grand Green Energy Corp ROCO:6639
FCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Grand Green Energy FCF Yield % Calculation

FCF Yield % is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

Grand Green Energy's FCF Yield % for the fiscal year that ended in Dec. 2025 is calculated as

FCF Yield %=Free Cash Flow / Market Cap
=3.664 / 405.8208
=0.90%

Grand Green Energy's annualized FCF Yield % for the quarter that ended in Dec. 2025 is calculated as

FCF Yield %=Free Cash Flow * Annualized Factor / Market Cap
=26.838 * 2 / 405.8208
=13.23%

* 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.

Frequently Asked Questions Learn more about FCF Yield % →
What does a FCF Yield % of 1.06 mean?
Grand Green Energy (ROCO:6639) has a FCF Yield % of 1.06 as of Jul. 07, 2026. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Grand Green Energy and its competitors. According to the industry distribution chart, Grand Green Energy ranks #1403 out of 3059 companies in the Industrial Products industry, placing it in the top 45.9%.
Is Grand Green Energy's FCF Yield % too high?
Grand Green Energy's current FCF Yield % is 1.06. The Industrial Products industry median FCF Yield % is 0.55. Grand Green Energy's value of 1.06 is 92.7% above this industry median. Based on the distribution chart, Grand Green Energy ranks #1403 out of 3059 companies in the Industrial Products industry, which is above the industry midpoint. Overall, Grand Green Energy has a GF Score™ of 50/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Grand Green Energy's FCF Yield % compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Grand Green Energy ranks #1403 out of 3059 companies for FCF Yield %. This puts Grand Green Energy in the upper half of its industry. The industry median FCF Yield % is 0.55. Grand Green Energy's value of 1.06 is 92.7% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Yield % for an Industrial Products company?
The median FCF Yield % among Industrial Products companies is 0.55, based on 3,059 companies in the industry. Companies in the top quartile (top 25%) have a FCF Yield % significantly above this median, while those in the bottom quartile fall well below. However, FCF Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Grand Green Energy's current FCF Yield % of 1.06 is 92.7% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Yield % mean?
A high FCF Yield % can signal that a stock is expensive relative to its fundamentals. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Grand Green Energy and its competitors. For the Industrial Products industry, the median FCF Yield % is 0.55 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Grand Green Energy's current FCF Yield % is 1.06. 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 Significantly Overvalued. The stock's GF Value™ is NT$4.36, compared to a current price of NT$5.99 — trading 37.4% above its estimated fair value. The current FCF Yield % is 1.06 and 92.7% above the Industrial Products industry median of 0.55. Grand Green Energy's overall GF Score™ is 50/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Yield % calculated?
FCF Yield % is calculated from a company's financial statements. For Grand Green Energy (ROCO:6639), the current FCF Yield % is 1.06 as of Jul. 07, 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 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$5.99 is trading 37.4% above its estimated GF Value™ of NT$4.36. GuruFocus considers Grand Green Energy to be Significantly Overvalued.

Key valuation signals for ROCO:6639:

  • FCF Yield %: 1.06
  • GF Value™: NT$4.36 vs. price of NT$5.99 (37.4% above fair value)
  • GF Score™: 50/100 with 4 warning signs
  • Industry Position: 92.7% above the Industrial Products median (#1403 of 3059)

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 Business Description

Address No.192, Jinshan Street, Yangmei District, Taoyuan City, TWN, 326
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.
50GF Score

Get the complete analysis for ROCO:6639

FCF Yield % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$5.99
Price
NT$4.36
GF Value