ACFN (Acorn Energy) ROE % Adjusted to Book Value: -0.73% (As of Mar. 2026)


ACFN Acorn Energy Inc ACFN
65 GF Score
Price $16.41
GF Value $13.60
Valuation Modestly Overvalued
! 4 Warning Signs
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What is Acorn Energy ROE % Adjusted to Book Value?

Acorn Energy ACFN -2.32% 65 ROE % Adjusted to Book Value is -0.73% as of Mar. 2026. GuruFocus rates ACFN with a GF Score™ of 65/100 and a GF Value™ of $13.60 (Modestly Overvalued). The stock has 4 warning signs investors should review.

Acorn Energy's ROE % for the quarter that ended in Mar. 2026 was -3.70%. Acorn Energy's PB Ratio for the quarter that ended in Mar. 2026 was 5.09. Acorn Energy's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 was -0.73%.

Acorn Energy ROE % Adjusted to Book Value Related Terms

Acorn Energy ROE % Adjusted to Book Value Historical Data

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The historical data trend for Acorn Energy's ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value Chart

Acorn Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 Negative Equity 33.30 7.93

Acorn Energy Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
ROE % Adjusted to Book Value 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 4.95 7.22 1.44 12.14 -0.73

ACFN vs LGL, ARAI, AATC: ROE % Adjusted to Book Value Comparison

For the Scientific & Technical Instruments subindustry, Acorn Energy's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value vs Hardware Industry

For the Hardware industry and Technology sector, Acorn Energy's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Acorn Energy's ROE % Adjusted to Book Value falls into.


ACFN
65GF Score
Acorn Energy Inc ACFN
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Acorn Energy ROE % Adjusted to Book Value Calculation

Acorn Energy's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=36.40% / 4.59
=7.93%

Acorn Energy's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-3.70% / 5.09
=-0.73%

* 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.

What does a ROE % Adjusted to Book Value of -0.73% mean?
Acorn Energy (ACFN) has a ROE % Adjusted to Book Value of -0.73% as of Mar. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Acorn Energy and its competitors.
Is Acorn Energy's ROE % Adjusted to Book Value too high?
Acorn Energy's current ROE % Adjusted to Book Value is -0.73%. Overall, Acorn Energy has a GF Score™ of 65/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Acorn Energy's ROE % Adjusted to Book Value compare to LGL and ARAI?
Acorn Energy's ROE % Adjusted to Book Value of -0.73% can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Hardware company?
A good ROE % Adjusted to Book Value depends on the Hardware industry context. However, ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Acorn Energy and its competitors. Acorn Energy's current ROE % Adjusted to Book Value is -0.73%. 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 Modestly Overvalued. The stock's GF Value™ is $13.60, compared to a current price of $16.41 — trading 20.7% above its estimated fair value. The current ROE % Adjusted to Book Value is -0.73%. Acorn Energy's overall GF Score™ is 65/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Acorn Energy (ACFN), the current ROE % Adjusted to Book Value is -0.73% 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 $16.41 is trading 20.7% above its estimated GF Value™ of $13.60. GuruFocus considers Acorn Energy to be Modestly Overvalued.

Key valuation signals for ACFN:

  • ROE % Adjusted to Book Value: -0.73%
  • GF Value™: $13.60 vs. price of $16.41 (20.7% above fair value)
  • GF Score™: 65/100 with 4 warning signs

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 Business Description

Address 1000 N West Street, Suite 1200, Wilmington, DE, USA, 19801
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.
65GF Score

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ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$16.41
Price
$13.60
GF Value