Greenfiltec (ROCO:6823) FCF Margin %: -9.54% (As of Dec. 2025)

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ROCO:6823 Greenfiltec Ltd ROCO:6823
72 GF Score
Price NT$62.90
GF Value NT$62.89
Valuation Fairly Valued
! 5 Warning Signs
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What is Greenfiltec FCF Margin %?

Greenfiltec ROCO:6823 -7.91% 72 FCF Margin % is -9.54% as of Dec. 2025. GuruFocus rates ROCO:6823 with a GF Score™ of 72/100 and a GF Value™ of NT$62.89 (Fairly Valued). The stock has 5 warning signs investors should review. Among 3,032 Industrial Products companies, Greenfiltec ranks worse than 80.28% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Greenfiltec's Free Cash Flow for the three months ended in Dec. 2025 was NT$-16.7 Mil. Greenfiltec's Revenue for the three months ended in Dec. 2025 was NT$174.6 Mil. Therefore, Greenfiltec's FCF Margin % for the quarter that ended in Dec. 2025 was -9.54%.

As of today, Greenfiltec's current FCF Yield % is -3.53%.

The historical rank and industry rank for Greenfiltec's FCF Margin % or its related term are showing as below:

ROCO:6823' s FCF Margin % Range Over the Past 10 Years
Min: -74.62   Med: -3.48   Max: 5.26
Current: -10.62


During the past 8 years, the highest FCF Margin % of Greenfiltec was 5.26%. The lowest was -74.62%. And the median was -3.48%.

ROCO:6823's FCF Margin % is ranked worse than
80.28% of 3032 companies
in the Industrial Products industry
Industry Median: 1.585 vs ROCO:6823: -10.62


Greenfiltec FCF Margin % Related Terms


Greenfiltec FCF Margin % Historical Data

* Premium members only.

The historical data trend for Greenfiltec'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.

Greenfiltec FCF Margin % Chart

Greenfiltec Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial -6.93 -0.02 -58.25 -74.62 -10.62

Greenfiltec Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
FCF Margin % 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 -41.78 -8.93 -16.55 -8.58 -9.54

ROCO:6823 vs VLTO, ZWS, CECO: FCF Margin % Comparison

For the Pollution & Treatment Controls subindustry, Greenfiltec'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.


Greenfiltec FCF Margin % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Greenfiltec's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Greenfiltec's FCF Margin % falls into.


ROCO:6823
72GF Score
Greenfiltec Ltd ROCO:6823
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Greenfiltec FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Greenfiltec's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-67.479/635.181
=-10.62 %

Greenfiltec's FCF Margin for the quarter that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-16.666/174.639
=-9.54 %

* 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 Margin % →
What does a FCF Margin % of -9.54% mean?
Greenfiltec (ROCO:6823) has a FCF Margin % of -9.54% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Greenfiltec and its competitors. According to the industry distribution chart, Greenfiltec ranks #2434 out of 3032 companies in the Industrial Products industry, placing it in the top 80.3%.
Is Greenfiltec's FCF Margin % too high?
Greenfiltec's current FCF Margin % is -9.54%. Based on the distribution chart, Greenfiltec ranks #2434 out of 3032 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Greenfiltec has a GF Score™ of 72/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Greenfiltec's FCF Margin % compare to VLTO and ZWS?
According to the Industrial Products industry distribution chart, Greenfiltec ranks #2434 out of 3032 companies for FCF Margin %. This places Greenfiltec in the lower half of its industry. The industry median FCF Margin % is 1.59. 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 an Industrial Products company?
The median FCF Margin % among Industrial Products companies is 1.59, based on 3,032 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. 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 Greenfiltec and its competitors. For the Industrial Products industry, the median FCF Margin % is 1.59 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Greenfiltec's current FCF Margin % is -9.54%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Greenfiltec stock overvalued right now?
Based on GuruFocus' analysis, Greenfiltec (ROCO:6823) is currently considered Fairly Valued. The stock's GF Value™ is NT$62.89, compared to a current price of NT$62.90 — trading 0% above its estimated fair value. The current FCF Margin % is -9.54%. Greenfiltec's overall GF Score™ is 72/100 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 Greenfiltec (ROCO:6823), the current FCF Margin % is -9.54% 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 Greenfiltec (ROCO:6823) Overvalued in 2026?

Based on GuruFocus' analysis, Greenfiltec stock appears to be overvalued. The current stock price of NT$62.90 is trading 0% above its estimated GF Value™ of NT$62.89. GuruFocus considers Greenfiltec to be Fairly Valued.

Key valuation signals for ROCO:6823:

  • FCF Margin %: -9.54%
  • GF Value™: NT$62.89 vs. price of NT$62.90 (0% above fair value)
  • GF Score™: 72/100 with 5 warning signs

No single metric tells the full story. See the ROCO:6823 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Greenfiltec Business Description

Address Lane 199, Zhongshan Noth Road, 2nd Floor, No.98, Section 1, Yangmei District, Taoyuan, TWN, 32665
Greenfiltec Ltd is engaged in the technique of micro-pollution control. The company provides customized chemical filter products and services for clean air needs. Its product portfolio includes Mobile Trolleys, Mobile High Air Volume Trolleys, Machine Filters, and Stacked Chemical Filters among others. Geographically, the company derives a majority of its revenue from Taiwan and the rest from other regions.
72GF Score

Get the complete analysis for ROCO:6823

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

NT$62.90
Price
NT$62.89
GF Value