Stak (STAK) FCF Margin %: 3.47% (As of Dec. 2025)

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STAK Stak Inc STAK
20 GF Score
Price $9.27
! 5 Warning Signs
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What is Stak FCF Margin %?

Stak STAK +607.63% 20 FCF Margin % is 3.47% as of Dec. 2025. GuruFocus rates STAK with a GF Score™ of 20/100. The stock has 5 warning signs investors should review. Among 907 Oil & Gas companies, Stak ranks worse than 76.3% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Stak's Free Cash Flow for the six months ended in Dec. 2025 was $0.67 Mil. Stak's Revenue for the six months ended in Dec. 2025 was $19.23 Mil. Therefore, Stak's FCF Margin % for the quarter that ended in Dec. 2025 was 3.47%.

As of today, Stak's current FCF Yield % is -1.83%.

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

STAK' s FCF Margin % Range Over the Past 10 Years
Min: -19.8   Med: -17.03   Max: -8.73
Current: -12


During the past 4 years, the highest FCF Margin % of Stak was -8.73%. The lowest was -19.80%. And the median was -17.03%.

STAK's FCF Margin % is ranked worse than
76.3% of 907 companies
in the Oil & Gas industry
Industry Median: 3.45 vs STAK: -12.00


Stak FCF Margin % Related Terms


Stak FCF Margin % Historical Data

* Premium members only.

The historical data trend for Stak'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.

Stak FCF Margin % Chart

Stak Annual Data
Trend Jun22 Jun23 Jun24 Jun25
FCF Margin %
-8.73 -19.51 -14.55 -19.80

Stak Semi-Annual Data
Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
FCF Margin % Get a 7-Day Free Trial -10.47 -25.03 -5.91 -49.38 3.47

STAK vs GEOS, LSE, QSEP: FCF Margin % Comparison

For the Oil & Gas Equipment & Services subindustry, Stak'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.


Stak FCF Margin % vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Stak's FCF Margin % distribution charts can be found below:

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


STAK
20GF Score
Stak Inc STAK
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Stak FCF Margin % Calculation

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

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

FCF Margin=Free Cash Flow (A: Jun. 2025 )/Revenue (A: Jun. 2025 )
=-4.932/24.915
=-19.80 %

Stak'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 )
=0.667/19.23
=3.47 %

* 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 3.47% mean?
Stak (STAK) has a FCF Margin % of 3.47% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Stak and its competitors. According to the industry distribution chart, Stak ranks #692 out of 907 companies in the Oil & Gas industry, placing it in the top 76.3%.
Is Stak's FCF Margin % too high?
Stak's current FCF Margin % is 3.47%. The Oil & Gas industry median FCF Margin % is 3.45. Stak's value of 3.47% is 0.6% above this industry median. Based on the distribution chart, Stak ranks #692 out of 907 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Stak has a GF Score™ of 20/100, reflecting its overall financial health beyond just this single metric.
How does Stak's FCF Margin % compare to GEOS and LSE?
According to the Oil & Gas industry distribution chart, Stak ranks #692 out of 907 companies for FCF Margin %. This places Stak in the lower half of its industry. The industry median FCF Margin % is 3.45. Stak's value of 3.47% is 0.6% 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 Margin % for an Oil & Gas company?
The median FCF Margin % among Oil & Gas companies is 3.45, based on 907 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. Stak's current FCF Margin % of 3.47% is 0.6% 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 Stak and its competitors. For the Oil & Gas industry, the median FCF Margin % is 3.45 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Stak's current FCF Margin % is 3.47%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Stak stock overvalued right now?
Stak (STAK) has a current FCF Margin % of 3.47%. The current FCF Margin % is 3.47% and 0.6% above the Oil & Gas industry median of 3.45. Stak's overall GF Score™ is 20/100 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 Stak (STAK), the current FCF Margin % is 3.47% 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.

Stak Business Description

Industry EnergyOil & Gas
Address No. 6 Beitanghe East Road, Building 11, 8th Floor, Tianning District, Jiangsu, Changzhou, CHN, 213000
Stak Inc is engaged in research, development, manufacturing, and sale of oilfield-specialized production and maintenance equipment. It design and manufacture oilfield-specialized production and maintenance equipment and also sell oilfield-specialized production and maintenance equipment components, related products, and provide automation solutions. Its products include oilfield vehicles such as oil pumping trucks, oil-well repair trucks, fracking trucks, well flushing-wax removal trucks, and boiler trucks. The company also produce specialized equipment and components for oil well repair and maintenance, fracking, oil well cleaning and wax removal, oil pumping, and boilers.
20GF Score

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

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