IGESF (Star Energy Group) OCF Margin %: 17.87% (As of Dec. 2025) — 26% Below Median


IGESF Star Energy Group PLC IGESF
35 GF Score
Price $0.30
GF Value $0.10
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Star Energy Group OCF Margin %?

Star Energy Group IGESF 35 OCF Margin % is 17.87% as of Dec. 2025, which is 26% below its 10-year median of 24.08. GuruFocus rates IGESF with a GF Score™ of 35/100 and a GF Value™ of $0.10 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 906 Oil & Gas companies, Star Energy Group ranks better than 57.17% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Star Energy Group's Cash Flow from Operations for the six months ended in Dec. 2025 was $3.93 Mil. Star Energy Group's Revenue for the six months ended in Dec. 2025 was $21.99 Mil. Therefore, Star Energy Group's OCF Margin % for the quarter that ended in Dec. 2025 was 17.87%.

As of today, Star Energy Group's current OCF Yield % is 18.12%.

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

IGESF' s OCF Margin % Range Over the Past 10 Years
Min: 5.19   Med: 24.08   Max: 40.77
Current: 18.1


During the past 13 years, the highest OCF Margin % of Star Energy Group was 40.77%. The lowest was 5.19%. And the median was 24.08%.

IGESF's OCF Margin % is ranked better than
57.17% of 906 companies
in the Oil & Gas industry
Industry Median: 13.93 vs IGESF: 18.10


Star Energy Group OCF Margin % Related Terms


Star Energy Group OCF Margin % Historical Data

* Premium members only.

The historical data trend for Star Energy Group'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.

Star Energy Group OCF Margin % Chart

Star Energy Group 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 18.82 30.67 34.80 5.19 18.10

Star Energy Group 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 38.25 17.68 -9.01 18.30 17.87

IGESF vs COP, EOG, OXY: OCF Margin % Comparison

For the Oil & Gas E&P subindustry, Star Energy Group'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.


Star Energy Group OCF Margin % vs Oil & Gas Industry

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

* The bar in red indicates where Star Energy Group's OCF Margin % falls into.


IGESF
35GF Score
Star Energy Group PLC IGESF
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Star Energy Group OCF Margin % Calculation

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

Star Energy Group'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 )
=8.412/46.481
=18.10 %

Star Energy Group'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 )
=3.93/21.987
=17.87 %

* 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 17.87% mean?
Star Energy Group (IGESF) has a OCF Margin % of 17.87% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Star Energy Group and its competitors. This is 26% below median its historical median of 24.08. Over the past decade, Star Energy Group's OCF Margin % has ranged from 5.19 to 40.77. According to the industry distribution chart, Star Energy Group ranks #388 out of 906 companies in the Oil & Gas industry, placing it in the top 42.8%.
Is Star Energy Group's OCF Margin % too high?
Star Energy Group's current OCF Margin % of 17.87% is 26% below median its 10-year median of 24.08. Over the past 10 years, this metric has ranged from a low of 5.19 to a high of 40.77. The Oil & Gas industry median OCF Margin % is 13.93. Star Energy Group's value of 17.87% is 28.3% above this industry median. Based on the distribution chart, Star Energy Group ranks #388 out of 906 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Star Energy Group has a GF Score™ of 35/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Star Energy Group's OCF Margin % compare to COP and EOG?
According to the Oil & Gas industry distribution chart, Star Energy Group ranks #388 out of 906 companies for OCF Margin %. This puts Star Energy Group in the upper half of its industry. The industry median OCF Margin % is 13.93. Star Energy Group's value of 17.87% is 28.3% above this benchmark. Historically, Star Energy Group's own OCF Margin % has ranged from 5.19 to 40.77 over the past decade. While the company's 10-year median is 24.08 vs. the industry median of 13.93, Star Energy Group 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 an Oil & Gas company?
The median OCF Margin % among Oil & Gas companies is 13.93, based on 906 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. Star Energy Group's current OCF Margin % of 17.87% is 28.3% 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 Star Energy Group and its competitors. For the Oil & Gas industry, the median OCF Margin % is 13.93 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Star Energy Group's current OCF Margin % is 17.87%, which is 26% below median its own 10-year median of 24.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Star Energy Group stock overvalued right now?
Based on GuruFocus' analysis, Star Energy Group (IGESF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.10, compared to a current price of $0.30 — trading 195.2% above its estimated fair value. The current OCF Margin % is 17.87%, which is 26% below median its 10-year median of 24.08 and 28.3% above the Oil & Gas industry median of 13.93. Star Energy Group's overall GF Score™ is 35/100 with 6 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 Star Energy Group (IGESF), the current OCF Margin % is 17.87% 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 Star Energy Group (IGESF) Overvalued in 2026?

Based on GuruFocus' analysis, Star Energy Group stock appears to be overvalued. The current stock price of $0.30 is trading 195.2% above its estimated GF Value™ of $0.10. GuruFocus considers Star Energy Group to be Significantly Overvalued.

Key valuation signals for IGESF:

  • OCF Margin %: 17.87% (26% below median its 10-year median of 24.08)
  • GF Value™: $0.10 vs. price of $0.30 (195.2% above fair value)
  • GF Score™: 35/100 with 6 warning signs
  • Industry Position: 28.3% above the Oil & Gas median (#388 of 906)

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


Star Energy Group Business Description

Industry EnergyOil & Gas
Other Exchanges STAR:UKK1P3:Germany
Address Barfield Lane off Wragby Road, Welton Gathering Centre, Sudbrooke, Lincoln, GBR, LN2 2QX
Star Energy Group PLC is an onshore energy business. Its main focus has been on oil and gas extraction. The group's principal activities are exploring for, appraising, developing and producing oil and gas and developing geothermal projects. Its business segments includes Oil and Gas, which generates the majority of the revenue, and the Geothermal segment. The company has two geographical areas of operation, the United Kingdom and Croatia. All revenues are derived in the United Kingdom. Its products lines are Oil sales, Electricity sales, Gas sales, and Other.
35GF Score

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

$0.30
Price
$0.10
GF Value