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.
Chyunn EnvironmentROCO:6911 -1.31%60 FCF Margin % is 9.17% as of Dec. 2025, which is 13% above its 10-year median of 8.12. GuruFocus rates ROCO:6911 with a GF Score™ of 60/100 and a GF Value™ of NT$44.75 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 236 Waste Management companies, Chyunn Environment ranks better than 65.25% on this metric.
The historical rank and industry rank for Chyunn Environment's FCF Margin % or its related term are showing as below:
ROCO:6911'
s FCF Margin % Range Over the Past 10 Years
Min: -8.13 Med: 8.12 Max: 22.89
Current: 8.12
During the past 8 years, the highest FCF Margin % of Chyunn Environment was 22.89%. The lowest was -8.13%. And the median was 8.12%.
ROCO:6911's FCF Margin % is ranked better than 65.25% of 236
companies
in the Waste Management industry
Industry Median: 3.275
vs ROCO:6911: 8.12
Chyunn Environment FCF Margin % Related Terms
Chyunn Environment FCF Margin % Historical Data
* Premium members only.
The historical data trend for Chyunn Environment's FCF Margin % 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.
ROCO:6911 vs WM, RSG, WCN: FCF Margin % Comparison
For the Waste Management subindustry, Chyunn Environment's FCF Margin %, along with its competitors' market caps and FCF Margin % 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.
Chyunn Environment FCF Margin % vs Waste Management Industry
For the Waste Management industry and Industrials sector, Chyunn Environment's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Chyunn Environment's FCF Margin % 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.
Chyunn Environment (ROCO:6911) has a FCF Margin % of 9.17% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Chyunn Environment and its competitors. This is 13% above median its historical median of 8.12. According to the industry distribution chart, Chyunn Environment ranks #82 out of 236 companies in the Waste Management industry, placing it in the top 34.7%.
Is Chyunn Environment's FCF Margin % too high?
Chyunn Environment's current FCF Margin % of 9.17% is 13% above median its 10-year median of 8.12. The Waste Management industry median FCF Margin % is 3.28. Chyunn Environment's value of 9.17% is 180% above this industry median. Based on the distribution chart, Chyunn Environment ranks #82 out of 236 companies in the Waste Management industry, which is above the industry midpoint. Overall, Chyunn Environment has a GF Score™ of 60/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Chyunn Environment's FCF Margin % compare to WM and RSG?
According to the Waste Management industry distribution chart, Chyunn Environment ranks #82 out of 236 companies for FCF Margin %. This puts Chyunn Environment in the upper half of its industry. The industry median FCF Margin % is 3.28. Chyunn Environment's value of 9.17% is 180% above this benchmark. While the company's 10-year median is 8.12 vs. the industry median of 3.28, Chyunn Environment has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Waste Management company?
The median FCF Margin % among Waste Management companies is 3.28, based on 236 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Chyunn Environment's current FCF Margin % of 9.17% is 180% 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 Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Chyunn Environment and its competitors. For the Waste Management industry, the median FCF Margin % is 3.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Chyunn Environment's current FCF Margin % is 9.17%, which is 13% above median its own 10-year median of 8.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Chyunn Environment stock overvalued right now?
Based on GuruFocus' analysis, Chyunn Environment (ROCO:6911) is currently considered Possible Value Trap. The stock's GF Value™ is NT$44.75, compared to a current price of NT$30.10 — trading 32.7% below its estimated fair value. The current FCF Margin % is 9.17%, which is 13% above median its 10-year median of 8.12 and 180% above the Waste Management industry median of 3.28. Chyunn Environment's overall GF Score™ is 60/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Chyunn Environment (ROCO:6911), the current FCF Margin % is 9.17% 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 Chyunn Environment (ROCO:6911) Overvalued in 2026?
Based on GuruFocus' analysis, Chyunn Environment stock appears to be undervalued.
The current stock price of NT$30.10 is trading 32.7% below its estimated GF Value™ of NT$44.75.
GuruFocus considers Chyunn Environment to be Possible Value Trap.
Key valuation signals for ROCO:6911:
FCF Margin %: 9.17% (13% above median its 10-year median of 8.12)
GF Value™: NT$44.75 vs. price of NT$30.10 (32.7% below fair value)
Industry Position: 180% above the Waste Management median (#82 of 236)
No single metric tells the full story. See the ROCO:6911 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Chyunn Environment Corp operates as a waste removal company. The firm engages in Garbage removal, resource recovery, general business waste removal, hazardous business waste removal, construction waste removal, earth and stone resource storage and disposal yards, machine scrapping, water truck business, and environmental protection business consultants.
60GF Score
Get the complete analysis for ROCO:6911
FCF Margin % 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:6911 has been successfully added to your 
