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Acorn EnergyACFN -0.81%62 Earnings Yield (Joel Greenblatt) % is 3.19% as of Mar. 2026. GuruFocus rates ACFN with a GF Score™ of 62/100 and a GF Value™ of $13.72 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 2,491 Hardware companies, Acorn Energy ranks better than 55.24% on this metric.
Acorn Energy's Enterprise Value for the quarter that ended in Mar. 2026 was $39.43 Mil.
Acorn Energy's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 was $1.26 Mil. Acorn Energy's Earnings Yield (Joel Greenblatt) for the quarter that ended in Mar. 2026 was 3.19%.
The historical rank and industry rank for Acorn Energy's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
ACFN'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -86.86 Med: -0.85 Max: 1801.38
Current: 2.97
During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Acorn Energy was 1801.38%. The lowest was -86.86%. And the median was -0.85%.
ACFN's Earnings Yield (Joel Greenblatt) % is ranked better than 55.24% of 2491
companies
in the Hardware industry
Industry Median: 2.19
vs ACFN: 2.97
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) %. Acorn Energy's Forward Rate of Return (Yacktman) % for the quarter that ended in Mar. 2026 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.
Acorn Energy (NAS:ACFN) 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.
Acorn Energy Earnings Yield (Joel Greenblatt) % Related Terms
Acorn Energy Earnings Yield (Joel Greenblatt) % Historical Data
* Premium members only.
The historical data trend for Acorn Energy'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.
Acorn Energy Earnings Yield (Joel Greenblatt) % Chart
For the Scientific & Technical Instruments subindustry, Acorn Energy'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.
Acorn Energy Earnings Yield (Joel Greenblatt) % vs Hardware Industry
For the Hardware industry and Technology sector, Acorn Energy's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Acorn Energy's Earnings Yield (Joel Greenblatt) % falls into.
Acorn Energy 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.
Acorn Energys Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as
Acorn Energy's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $1.26 Mil.
What does a Earnings Yield (Joel Greenblatt) % of 3.19% mean?
Acorn Energy (ACFN) has a Earnings Yield (Joel Greenblatt) % of 3.19% as of Mar. 2026. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Acorn Energy and its competitors. According to the industry distribution chart, Acorn Energy ranks #1115 out of 2491 companies in the Hardware industry, placing it in the top 44.8%.
Is Acorn Energy's Earnings Yield (Joel Greenblatt) % too high?
Acorn Energy's current Earnings Yield (Joel Greenblatt) % is 3.19%. The Hardware industry median Earnings Yield (Joel Greenblatt) % is 2.19. Acorn Energy's value of 3.19% is 45.7% above this industry median. Based on the distribution chart, Acorn Energy ranks #1115 out of 2491 companies in the Hardware industry, which is above the industry midpoint. Overall, Acorn Energy has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Acorn Energy's Earnings Yield (Joel Greenblatt) % compare to LGL and MIND?
According to the Hardware industry distribution chart, Acorn Energy ranks #1115 out of 2491 companies for Earnings Yield (Joel Greenblatt) %. This puts Acorn Energy in the upper half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 2.19. Acorn Energy's value of 3.19% is 45.7% above this benchmark. 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 a Hardware company?
The median Earnings Yield (Joel Greenblatt) % among Hardware companies is 2.19, based on 2,491 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. Acorn Energy's current Earnings Yield (Joel Greenblatt) % of 3.19% is 45.7% 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 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 Acorn Energy and its competitors. For the Hardware industry, the median Earnings Yield (Joel Greenblatt) % is 2.19 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Acorn Energy's current Earnings Yield (Joel Greenblatt) % is 3.19%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Acorn Energy stock overvalued right now?
Based on GuruFocus' analysis, Acorn Energy (ACFN) is currently considered Significantly Overvalued. The stock's GF Value™ is $13.72, compared to a current price of $18.14 — trading 32.2% above its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 3.19% and 45.7% above the Hardware industry median of 2.19. Acorn Energy's overall GF Score™ is 62/100 with 5 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 Acorn Energy (ACFN), the current Earnings Yield (Joel Greenblatt) % is 3.19% as of Mar. 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 Acorn Energy (ACFN) Overvalued in 2026?
Based on GuruFocus' analysis, Acorn Energy stock appears to be overvalued.
The current stock price of $18.14 is trading 32.2% above its estimated GF Value™ of $13.72.
GuruFocus considers Acorn Energy to be Significantly Overvalued.
Key valuation signals for ACFN:
Earnings Yield (Joel Greenblatt) %: 3.19%
GF Value™: $13.72 vs. price of $18.14 (32.2% above fair value)
Industry Position: 45.7% above the Hardware median (#1115 of 2491)
No single metric tells the full story. See the ACFN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Acorn Energy Inc is a holding company that focuses on technology-driven solutions for energy infrastructure asset management. The company operates through two segments namely, the PG segment and the CP segment. PG segment provides wireless remote monitoring and control systems and services for critical assets as well as Internet of Things applications which account for the majority of the revenue. CP segment is engaged in providing remote monitoring of cathodic protection systems on gas pipelines for gas utilities and pipeline companies.
62GF Score
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