Acorn Energy, Inc. (ACFN) stock analysis
Close on Nov 12, 2026Market cap $38.27MP/E 17.3Yield –
StockData Score
Prices as of Nov 11, 2026How the score works
Mixed14 of 30 checks passed
Acorn Energy passes 14 of the 30 checks behind our score; 8 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.
- Valuation
- 2/6
- Growth
- 2/6
- Past performance
- 5/6
- Financial health
- 5/6
- Dividend
- 0/6
What stands out
Return on capital over 10%
Return on invested capital was 16.9%, above the 10% that usually covers the cost of capital.
No debt
Acorn Energy has no borrowings on its latest balance sheet.
Earnings grew over 5 years
Net income grew 105% a year on average over the last five fiscal years.
Revenue growing 10%+ a year
Revenue grew 17.9% a year over the last three fiscal years.
What to watch
Margin of safety under 20%
The price is 10.0% above fair value, so there is no margin of safety.
Trading above fair value
The share price of $15.29 is above our fair value estimate of $13.90.
Earnings growth not accelerating
Net income grew -66.5% over the last twelve months, against a 5-year average of 105% a year.
Elevated bankruptcy risk
The Altman Z-score is -3.40; above 3 is the safe zone and below 1.8 the distress zone.
Valuation2/6
P/E below its 5-year median
Acorn Energy's P/E of 17.4 is below its own 5-year median of 22.4.
P/E below the industry
Acorn Energy's P/E of 17.4 is below the Engineering, Accounting, Research, Management, and Related Services median of 25.2.
EV/EBITDA above its 5-year median
Acorn Energy's EV/EBITDA of 38.9 is above its 5-year median of 31.7.
P/B above the industry
Acorn Energy's price-to-book of 3.87 is above the Engineering, Accounting, Research, Management, and Related Services median of 2.71.
Trading above fair value
The share price of $15.29 is above our fair value estimate of $13.90.
Margin of safety under 20%
The price is 10.0% above fair value, so there is no margin of safety.
Growth2/6
Revenue growing 10%+ a year
Revenue grew 17.9% a year over the last three fiscal years.
EPS growth over 3 years
Needs positive EPS three years ago and today.
Earnings growth not accelerating
Net income grew -66.5% over the last twelve months, against a 5-year average of 105% a year.
Growing slower than the industry
Revenue grew -23.3% over the last twelve months; the Engineering, Accounting, Research, Management, and Related Services median is 0.2%.
Company guidance
No outlook found in earnings releases from the last twelve months.
Gross margin improving
Gross margin was 80.8% over the last twelve months, against 74.9% a year earlier.
Past performance5/6
Return on equity
Needs positive equity and five years of results.
Return on capital over 10%
Return on invested capital was 16.9%, above the 10% that usually covers the cost of capital.
Return on equity above the industry
Acorn Energy's return on equity of 26.1% is above the Engineering, Accounting, Research, Management, and Related Services median of 10.5%.
Earnings grew over 5 years
Net income grew 105% a year on average over the last five fiscal years.
Net margin above its 5-year average
Net margin was 23.0% over the last twelve months, against a 5-year average of 14.3%.
Net margin above the industry
Acorn Energy's net margin of 23.0% is above the Engineering, Accounting, Research, Management, and Related Services median of 5.1%.
Financial health5/6
No debt
Acorn Energy has no borrowings on its latest balance sheet.
Debt not rising
With no debt today, leverage cannot have risen.
Debt covered by cash flow
There is no debt to cover.
Interest well covered
No meaningful interest expense to cover.
Short-term assets cover short-term debts
Current assets are 1.51 times current liabilities.
Elevated bankruptcy risk
The Altman Z-score is -3.40; above 3 is the safe zone and below 1.8 the distress zone.
Dividend0/6
No dividend
Acorn Energy has not paid a dividend in the last twelve months.
Yield against Treasuries
No dividend.
Yield against the market
No dividend.
Dividend stability
No dividend.
Earnings cover
No dividend.
Cash-flow cover
No dividend.
Fair value
How we estimate itOur estimate per share
$13.90
The share price is 10% above this estimate.
| Method | Multiple used | Own 5Y median | Industry median | Value per share | Weight |
|---|---|---|---|---|---|
| P/E | 24.3× | 22.4× | 25.2× | $21.38 | 44% |
| EV/EBITDA | 20.6× | 31.7× | 15.3× | $8.94 | 39% |
| Earnings power | 7.4% cost of equity | – | – | $5.52 | 17% |
| Fair value | $13.90 | 100% | |||
Valuation over time
Using the earnings and balance sheet published at each date, not today's.
- P/E at month end
- Own 5-year median 22.4
- Engineering, Accounting, Research, Management, and Related Services median 25.2
An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.
Market risk
From the past year of daily prices.
Liquidity
High risk
- Average value traded per day
- $805.14K
- Value traded per 1% price move
- $202.16K
Downside
Medium risk
- Typical loss in a bad month
- 21.0%
- Volatility (annualized)
- 72%
- Sharpe ratio, 1 year
- -0.11
- Beta to the S&P 500 (5Y)
- 0.10
Typical bad-month loss, week by week
Margins
Share of revenue, fiscal years 2011 to 2025
Gross margin
Operating margin
Net margin
Growth rates
Compound annual growth to fiscal 2025
| Per year | 1 year | 3 years | 5 years | 10 years | Five-year pace |
|---|---|---|---|---|---|
| Revenue | +4.5% | +17.9% | +14.2% | -3.6% | |
| Gross profit | +10.2% | +20.2% | +16.4% | +3.6% | |
| Operating income | +2.7% | – | – | – | |
| Net income | -60.1% | – | +105.2% | – | |
| EPS, diluted | -60.6% | – | – | – |
Returns and balance sheet
10 fiscal years. Hover a measure to see how it is calculated.
| Measure | FY2016 | FY2020 | FY2025 | Trend |
|---|---|---|---|---|
| Return on equity | 17.1% | -11.8% | 36.4% | |
| Return on assets | 0.9% | 1.4% | 21.0% | |
| Current ratio | 1.68 | 0.98 | 1.83 | |
| Interest coverage | – | -11.1× | – | |
| Inventory turnover | 14.5× | 6.8× | 3.2× | |
| Diluted shares | 1.77B | 2.46B | 3M |
Cash use needs five years of cash flow figures
Acorn Energy does not report operating cash flow and capital expenditure for each of the last five fiscal years.
DuPont analysis
Return on equity split into margin, efficiency and leverage
| Fiscal year | Net margin | Asset turnover | Equity multiplier | Return on equity |
|---|---|---|---|---|
| FY2025 | 21.9% | 0.96× | 1.74× | 36.4% |
| FY2024 | 57.3% | 1.37× | 3.41× | 267.7% |
| FY2023 | 1.5% | 1.41× | -6.16× | -12.8% |
| FY2022 | -9.0% | 1.16× | -8.09× | 85.2% |
| FY2021 | -0.3% | 1.21× | -11.33× | 4.2% |
| FY2020 | 1.2% | 1.16× | -8.71× | -11.8% |
| FY2019 | -11.3% | 1.23× | -4.49× | 62.3% |
| FY2018 | -39.3% | 0.77× | -15.16× | 461.6% |
| FY2017 | -26.9% | 0.47× | 10.24× | -129.7% |
| FY2016 | 1.7% | 0.52× | 19.77× | 17.1% |
Piotroski F-Score
Nine tests of profitability, balance sheet and efficiency, fiscal 2025 against fiscal 2024
- ProfitableNet income above zero$2.51M
- Cash generatingOperating cash flow above zero$2.09M
- Return on assets improvedROA up on the prior year115.5% → 23.7%
- Earnings backed by cashOperating cash flow above net income$2.09M vs $2.51M
- Less leverageLong-term debt to assets fell– → –
- Better liquidityCurrent ratio rose1.26 → 1.83
- No dilutionShare count did not rise3M → 3M
- Gross margin improvedGross margin up on the prior year72.81% → 76.80%
- More efficientAsset turnover rose2.02 → 1.08
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