Star Energy Group (LSE:STAR) 1-Year Sharpe Ratio: 2.78 (As of Jul. 23, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

LSE:STAR Star Energy Group PLC LSE:STAR
38 GF Score
Price £0.20
GF Value £0.07
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is Star Energy Group 1-Year Sharpe Ratio?

Star Energy Group LSE:STAR -2.50% 38 1-Year Sharpe Ratio is 2.78 as of Jul. 23, 2026. GuruFocus rates LSE:STAR with a GF Score™ of 38/100 and a GF Value™ of £0.07 (Significantly Overvalued). The stock has 6 warning signs investors should review.

The 1-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk over the past year. As of today (2026-07-23), Star Energy Group's 1-Year Sharpe Ratio is 2.78.


Star Energy Group  (LSE:STAR) 1-Year Sharpe Ratio Explanation

The 1-Year Sharpe Ratio inidicates the risk-adjusted return of an investment over the past year. It is calculated as the annualized result of the average monthly excess return divided by its standard deviation over the past year. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

The greater a portfolio's Sharpe Ratio, the better its risk-adjusted performance. A negative Sharpe Ratio means the risk-free rate is greater than the portfolio’s historical or projected return, or else the portfolio's return is expected to be negative.


Star Energy Group 1-Year Sharpe Ratio Related Terms


LSE:STAR vs COP, EOG, FANG: 1-Year Sharpe Ratio Comparison

For the Oil & Gas E&P subindustry, Star Energy Group's 1-Year Sharpe Ratio, along with its competitors' market caps and 1-Year Sharpe Ratio 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 1-Year Sharpe Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Star Energy Group's 1-Year Sharpe Ratio distribution charts can be found below:

* The bar in red indicates where Star Energy Group's 1-Year Sharpe Ratio falls into.


LSE:STAR
38GF Score
Star Energy Group PLC LSE:STAR
1-Year Sharpe Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Star Energy Group 1-Year Sharpe Ratio Calculation

The 1-Year Sharpe Ratio measures the performance of an investment such as a stock or portfolio compared to a risk-free asset. A stock / portfolio's 1-Year Sharpe Ratio can be calculated by dividing the difference between the one-year returns of the investment and the risk-free rate, by the standard deviation of the investment returns over one year.

Frequently Asked Questions Learn more about 1-Year Sharpe Ratio →
What does a 1-Year Sharpe Ratio of 2.78 mean?
Star Energy Group (LSE:STAR) has a 1-Year Sharpe Ratio of 2.78 as of Jul. 23, 2026. 1-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk. View historical data for Star Energy Group and its competitors.
Is Star Energy Group's 1-Year Sharpe Ratio too high?
Star Energy Group's current 1-Year Sharpe Ratio is 2.78. Overall, Star Energy Group has a GF Score™ of 38/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Star Energy Group's 1-Year Sharpe Ratio compare to COP and EOG?
Star Energy Group's 1-Year Sharpe Ratio of 2.78 can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 1-Year Sharpe Ratio for an Oil & Gas company?
A good 1-Year Sharpe Ratio depends on the Oil & Gas industry context. However, 1-Year Sharpe Ratio 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 1-Year Sharpe Ratio mean?
A high 1-Year Sharpe Ratio can signal that a stock is expensive relative to its fundamentals. 1-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk. View historical data for Star Energy Group and its competitors. Star Energy Group's current 1-Year Sharpe Ratio is 2.78. 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 (LSE:STAR) is currently considered Significantly Overvalued. The stock's GF Value™ is £0.07, compared to a current price of £0.20 — trading 178.6% above its estimated fair value. The current 1-Year Sharpe Ratio is 2.78. Star Energy Group's overall GF Score™ is 38/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 1-Year Sharpe Ratio calculated?
1-Year Sharpe Ratio is calculated from a company's financial statements. For Star Energy Group (LSE:STAR), the current 1-Year Sharpe Ratio is 2.78 as of Jul. 23, 2026. 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 (LSE:STAR) Overvalued in 2026?

Based on GuruFocus' analysis, Star Energy Group stock appears to be overvalued. The current stock price of £0.20 is trading 178.6% above its estimated GF Value™ of £0.07. GuruFocus considers Star Energy Group to be Significantly Overvalued.

Key valuation signals for LSE:STAR:

  • 1-Year Sharpe Ratio: 2.78
  • GF Value™: £0.07 vs. price of £0.20 (178.6% above fair value)
  • GF Score™: 38/100 with 6 warning signs

No single metric tells the full story. See the LSE:STAR 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 IGESF:USAK1P3: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.
38GF Score

Get the complete analysis for LSE:STAR

1-Year Sharpe Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£0.20
Price
£0.07
GF Value