Griffin Mining (LSE:GFM) OCF Margin %: 25.07% (As of Dec. 2025) — 19% Below Median


LSE:GFM Griffin Mining Ltd LSE:GFM
85 GF Score
Price £3.04
GF Value £1.30
Valuation Significantly Overvalued
! 8 Warning Signs
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What is Griffin Mining OCF Margin %?

Griffin Mining LSE:GFM -0.65% 85 OCF Margin % is 25.07% as of Dec. 2025, which is 19% below its 10-year median of 31.09. GuruFocus rates LSE:GFM with a GF Score™ of 85/100 and a GF Value™ of £1.30 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 845 Metals & Mining companies, Griffin Mining ranks better than 83.08% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Griffin Mining's Cash Flow from Operations for the six months ended in Dec. 2025 was £15.1 Mil. Griffin Mining's Revenue for the six months ended in Dec. 2025 was £60.2 Mil. Therefore, Griffin Mining's OCF Margin % for the quarter that ended in Dec. 2025 was 25.07%.

As of today, Griffin Mining's current OCF Yield % is 7.20%.

The historical rank and industry rank for Griffin Mining's OCF Margin % or its related term are showing as below:

LSE:GFM' s OCF Margin % Range Over the Past 10 Years
Min: 13.73   Med: 31.09   Max: 61.14
Current: 37.27


During the past 13 years, the highest OCF Margin % of Griffin Mining was 61.14%. The lowest was 13.73%. And the median was 31.09%.

LSE:GFM's OCF Margin % is ranked better than
83.08% of 845 companies
in the Metals & Mining industry
Industry Median: 4.47 vs LSE:GFM: 37.27


Griffin Mining OCF Margin % Related Terms


Griffin Mining OCF Margin % Historical Data

* Premium members only.

The historical data trend for Griffin Mining's OCF 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.

Griffin Mining OCF Margin % Chart

Griffin Mining Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 33.28 15.73 31.33 13.73 37.36

Griffin Mining Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
OCF 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 31.74 28.00 -7.79 52.92 25.07

Griffin Mining OCF Margin % Competitor Comparison

For the Other Industrial Metals & Mining subindustry, Griffin Mining's OCF Margin %, along with its competitors' market caps and OCF 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.


Griffin Mining OCF Margin % vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Griffin Mining's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Griffin Mining's OCF Margin % falls into.


LSE:GFM
85GF Score
Griffin Mining Ltd LSE:GFM
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Griffin Mining OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Griffin Mining's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=40.283/107.818
=37.36 %

Griffin Mining's OCF Margin for the quarter that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=15.1/60.227
=25.07 %

* 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 OCF Margin % →
What does a OCF Margin % of 25.07% mean?
Griffin Mining (LSE:GFM) has a OCF Margin % of 25.07% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Griffin Mining and its competitors. This is 19% below median its historical median of 31.09. Over the past decade, Griffin Mining's OCF Margin % has ranged from 13.73 to 61.14. According to the industry distribution chart, Griffin Mining ranks #143 out of 845 companies in the Metals & Mining industry, placing it in the top 16.9%.
Is Griffin Mining's OCF Margin % too high?
Griffin Mining's current OCF Margin % of 25.07% is 19% below median its 10-year median of 31.09. Over the past 10 years, this metric has ranged from a low of 13.73 to a high of 61.14. The Metals & Mining industry median OCF Margin % is 4.47. Griffin Mining's value of 25.07% is 460.9% above this industry median. Based on the distribution chart, Griffin Mining ranks #143 out of 845 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Griffin Mining has a GF Score™ of 85/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Griffin Mining's OCF Margin % compare to competitors?
According to the Metals & Mining industry distribution chart, Griffin Mining ranks #143 out of 845 companies for OCF Margin %. This places Griffin Mining in the top 17% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 4.47. Griffin Mining's value of 25.07% is 460.9% above this benchmark. Historically, Griffin Mining's own OCF Margin % has ranged from 13.73 to 61.14 over the past decade. While the company's 10-year median is 31.09 vs. the industry median of 4.47, Griffin Mining 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 OCF Margin % for a Metals & Mining company?
The median OCF Margin % among Metals & Mining companies is 4.47, based on 845 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Griffin Mining's current OCF Margin % of 25.07% is 460.9% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Griffin Mining and its competitors. For the Metals & Mining industry, the median OCF Margin % is 4.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Griffin Mining's current OCF Margin % is 25.07%, which is 19% below median its own 10-year median of 31.09. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Griffin Mining stock overvalued right now?
Based on GuruFocus' analysis, Griffin Mining (LSE:GFM) is currently considered Significantly Overvalued. The stock's GF Value™ is £1.30, compared to a current price of £3.04 — trading 133.8% above its estimated fair value. The current OCF Margin % is 25.07%, which is 19% below median its 10-year median of 31.09 and 460.9% above the Metals & Mining industry median of 4.47. Griffin Mining's overall GF Score™ is 85/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Griffin Mining (LSE:GFM), the current OCF Margin % is 25.07% 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 Griffin Mining (LSE:GFM) Overvalued in 2026?

Based on GuruFocus' analysis, Griffin Mining stock appears to be overvalued. The current stock price of £3.04 is trading 133.8% above its estimated GF Value™ of £1.30. GuruFocus considers Griffin Mining to be Significantly Overvalued.

Key valuation signals for LSE:GFM:

  • OCF Margin %: 25.07% (19% below median its 10-year median of 31.09)
  • GF Value™: £1.30 vs. price of £3.04 (133.8% above fair value)
  • GF Score™: 85/100 with 8 warning signs
  • Industry Position: 460.9% above the Metals & Mining median (#143 of 845)

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


Griffin Mining Business Description

Other Exchanges GFMl:UKGG7:Germany
Address 54 Jermyn Street, 8th Floor, Royal Trust House, London, GBR, SW1Y 6LX
Griffin Mining Ltd is a mining and investment company. It is principally engaged in mining and exploration activities. It has only one operating segment, being the operations at the Caijiaying Mine based in China, with production of zinc concentrate, and lead concentrate with associated precious metals credits. The company generates the majority of its revenue from Zinc Concentrates sales.
85GF Score

Get the complete analysis for LSE:GFM

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

£3.04
Price
£1.30
GF Value