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.
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.
OIO GroupOIO -5.42%39 Earnings Yield (Joel Greenblatt) % is -2.59% as of Dec. 2025. GuruFocus rates OIO with a GF Score™ of 39/100 and a GF Value™ of $3.48 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 1,636 Asset Management companies, OIO Group ranks worse than 86.8% on this metric.
OIO Group's Enterprise Value for the quarter that ended in Dec. 2025 was $178.37 Mil.
OIO Group's EBIT for the trailing twelve months (TTM) ended in Dec. 2025 was $-4.62 Mil. OIO Group's Earnings Yield (Joel Greenblatt) for the quarter that ended in Dec. 2025 was -2.59%.
The historical rank and industry rank for OIO Group's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
OIO'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -724.74 Med: -15.64 Max: -0.6
Current: -0.69
During the past 7 years, the highest Earnings Yield (Joel Greenblatt) of OIO Group was -0.60%. The lowest was -724.74%. And the median was -15.64%.
OIO's Earnings Yield (Joel Greenblatt) % is ranked worse than 86.8% of 1636
companies
in the Asset Management industry
Industry Median: 0
vs OIO: -0.69
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
A better indicator of the attractiveness of an investment which takes growth into account is the Forward Rate of Return (Yacktman) %. OIO Group's Forward Rate of Return (Yacktman) % for the quarter that ended in Dec. 2025 was 0.00%. The Forward Rate of Return uses the normalized Free Cash Flow of the past five years, and considers growth. The forward rate of return can be thought of as the return that investors buying the stock today can expect from it in the future.
OIO Group (NAS:OIO) Earnings Yield (Joel Greenblatt) % Explanation
Joel Greenblatt defines the earnings yield using the above equation because it more accurately reflects the company's profitability relative to its stock price. Items like interest payment and tax etc. are not directly related to the company's operational profitability.
Enterprise Value instead of market cap (share price) is used in the calculation because it is the real price stock and bond investors together pay for the company.
Be Aware
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
OIO Group Earnings Yield (Joel Greenblatt) % Related Terms
OIO Group Earnings Yield (Joel Greenblatt) % Historical Data
* Premium members only.
The historical data trend for OIO Group's Earnings Yield (Joel Greenblatt) % 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.
OIO Group Earnings Yield (Joel Greenblatt) % Chart
For the Asset Management subindustry, OIO Group's Earnings Yield (Joel Greenblatt) %, along with its competitors' market caps and Earnings Yield (Joel Greenblatt) % 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.
OIO Group Earnings Yield (Joel Greenblatt) % vs Asset Management Industry
For the Asset Management industry and Financial Services sector, OIO Group's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where OIO Group's Earnings Yield (Joel Greenblatt) % falls into.
OIO Group Earnings Yield (Joel Greenblatt) % Calculation
In his book, The Little That Beat the Market, hedge fund manager Joel Greenblatt defines Earnings Yield as operating income divided by enterprise value.
OIO Groups Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as
For company reported semi-annually or annually, GuruFocus only calculate annual data for Earnings Yield (Joel Greenblatt) and apply the annual figure to corresponding quarter.
What does a Earnings Yield (Joel Greenblatt) % of -2.59% mean?
OIO Group (OIO) has a Earnings Yield (Joel Greenblatt) % of -2.59% as of Dec. 2025. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on OIO Group and its competitors. According to the industry distribution chart, OIO Group ranks #1420 out of 1636 companies in the Asset Management industry, placing it in the top 86.8%.
Is OIO Group's Earnings Yield (Joel Greenblatt) % too high?
OIO Group's current Earnings Yield (Joel Greenblatt) % is -2.59%. Based on the distribution chart, OIO Group ranks #1420 out of 1636 companies in the Asset Management industry, which is in the bottom quartile relative to peers. Overall, OIO Group has a GF Score™ of 39/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does OIO Group's Earnings Yield (Joel Greenblatt) % compare to ACGP and PFN?
According to the Asset Management industry distribution chart, OIO Group ranks #1420 out of 1636 companies for Earnings Yield (Joel Greenblatt) %. This places OIO Group in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Earnings Yield (Joel Greenblatt) % for an Asset Management company?
A good Earnings Yield (Joel Greenblatt) % depends on the Asset Management industry context. However, Earnings Yield (Joel Greenblatt) % 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 Earnings Yield (Joel Greenblatt) % mean?
A high Earnings Yield (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on OIO Group and its competitors. OIO Group's current Earnings Yield (Joel Greenblatt) % is -2.59%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is OIO Group stock overvalued right now?
Based on GuruFocus' analysis, OIO Group (OIO) is currently considered Possible Value Trap. The stock's GF Value™ is $3.48, compared to a current price of $1.92 — trading 44.8% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is -2.59%. OIO Group's overall GF Score™ is 39/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Earnings Yield (Joel Greenblatt) % calculated?
Earnings Yield (Joel Greenblatt) % is calculated from a company's financial statements. For OIO Group (OIO), the current Earnings Yield (Joel Greenblatt) % is -2.59% 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 OIO Group (OIO) Overvalued in 2026?
Based on GuruFocus' analysis, OIO Group stock appears to be undervalued.
The current stock price of $1.92 is trading 44.8% below its estimated GF Value™ of $3.48.
GuruFocus considers OIO Group to be Possible Value Trap.
Key valuation signals for OIO:
Earnings Yield (Joel Greenblatt) %: -2.59%
GF Value™: $3.48 vs. price of $1.92 (44.8% below fair value)
No single metric tells the full story. See the OIO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
OIO Group operates as an investment and development platform operating through its subsidiary, ESA, which is a waste management, treatment, and recycling company involved in the collection and recycling of hazardous and non-hazardous industrial waste from customers such as pharmaceutical, semiconductor, petrochemical, and electroplating companies. ESA currently has two revenue streams, from: (i) services income which is mainly comprised of the fees it charges its customers for waste collection and disposal services, which fees are similar to those charged by ESA's competitors, and (ii) the sales and trading of ESA's circular products that are made and processed from the recycled waste collected from its customers with respect to its waste collection and disposal services.
39GF Score
Get the complete analysis for OIO
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
OIO has been successfully added to your 
