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Invinity Energy SystemsIESVF -2.22%56 Earnings Yield (Joel Greenblatt) % is -30.03% as of Dec. 2025. GuruFocus rates IESVF with a GF Score™ of 56/100 and a GF Value™ of $0.12 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 3,101 Industrial Products companies, Invinity Energy Systems ranks worse than 95.1% on this metric.
Invinity Energy Systems's Enterprise Value for the quarter that ended in Dec. 2025 was $117.70 Mil.
Invinity Energy Systems's EBIT for the trailing twelve months (TTM) ended in Dec. 2025 was $-32.24 Mil. Invinity Energy Systems's Earnings Yield (Joel Greenblatt) for the quarter that ended in Dec. 2025 was -30.03%.
The historical rank and industry rank for Invinity Energy Systems's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
IESVF'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -1558.71 Med: -52.38 Max: 2335.69
Current: -23.47
During the past 8 years, the highest Earnings Yield (Joel Greenblatt) of Invinity Energy Systems was 2335.69%. The lowest was -1558.71%. And the median was -52.38%.
IESVF's Earnings Yield (Joel Greenblatt) % is ranked worse than 95.1% of 3101
companies
in the Industrial Products industry
Industry Median: 3.46
vs IESVF: -23.47
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) %. Invinity Energy Systems'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.
Invinity Energy Systems (OTCPK:IESVF) 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.
Invinity Energy Systems Earnings Yield (Joel Greenblatt) % Related Terms
Invinity Energy Systems Earnings Yield (Joel Greenblatt) % Historical Data
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The historical data trend for Invinity Energy Systems'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.
Invinity Energy Systems Earnings Yield (Joel Greenblatt) % Chart
IESVF vs VRT, BE: Earnings Yield (Joel Greenblatt) % Comparison
For the Electrical Equipment & Parts subindustry, Invinity Energy Systems'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.
Invinity Energy Systems Earnings Yield (Joel Greenblatt) % vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Invinity Energy Systems's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Invinity Energy Systems's Earnings Yield (Joel Greenblatt) % falls into.
Invinity Energy Systems 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.
Invinity Energy Systemss 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 -30.03% mean?
Invinity Energy Systems (IESVF) has a Earnings Yield (Joel Greenblatt) % of -30.03% 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 Invinity Energy Systems and its competitors. According to the industry distribution chart, Invinity Energy Systems ranks #2949 out of 3101 companies in the Industrial Products industry, placing it in the top 95.1%.
Is Invinity Energy Systems' Earnings Yield (Joel Greenblatt) % too high?
Invinity Energy Systems' current Earnings Yield (Joel Greenblatt) % is -30.03%. Based on the distribution chart, Invinity Energy Systems ranks #2949 out of 3101 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Invinity Energy Systems has a GF Score™ of 56/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Invinity Energy Systems' Earnings Yield (Joel Greenblatt) % compare to VRT and BE?
According to the Industrial Products industry distribution chart, Invinity Energy Systems ranks #2949 out of 3101 companies for Earnings Yield (Joel Greenblatt) %. This places Invinity Energy Systems in the lower half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 3.46. 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 Industrial Products company?
The median Earnings Yield (Joel Greenblatt) % among Industrial Products companies is 3.46, based on 3,101 companies in the industry. Companies in the top quartile (top 25%) have a Earnings Yield (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. 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 Invinity Energy Systems and its competitors. For the Industrial Products industry, the median Earnings Yield (Joel Greenblatt) % is 3.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Invinity Energy Systems's current Earnings Yield (Joel Greenblatt) % is -30.03%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Invinity Energy Systems stock overvalued right now?
Based on GuruFocus' analysis, Invinity Energy Systems (IESVF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.12, compared to a current price of $0.32 — trading 164.8% above its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is -30.03%. Invinity Energy Systems' overall GF Score™ is 56/100 with 6 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 Invinity Energy Systems (IESVF), the current Earnings Yield (Joel Greenblatt) % is -30.03% 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 Invinity Energy Systems (IESVF) Overvalued in 2026?
Based on GuruFocus' analysis, Invinity Energy Systems stock appears to be overvalued.
The current stock price of $0.32 is trading 164.8% above its estimated GF Value™ of $0.12.
GuruFocus considers Invinity Energy Systems to be Significantly Overvalued.
Key valuation signals for IESVF:
Earnings Yield (Joel Greenblatt) %: -30.03%
GF Value™: $0.12 vs. price of $0.32 (164.8% above fair value)
No single metric tells the full story. See the IESVF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Invinity Energy Systems PLC operates in the manufacturing of vanadium flow battery systems and their related installation and other services. Its vanadium flow batteries are a form of heavy-duty, stationary energy storage, used in high-utilization applications such as being coupled with industrial-scale solar generation for distributed, low-carbon energy projects. The company's flow battery systems are ideal for commercial and industrial sites, grid network infrastructure projects, and off-grid applications, either standalone or alongside renewable energy such as solar PV. It generates the majority of its revenue from the sale of Battery systems and associated control systems.
56GF Score
Get the complete analysis for IESVF
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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