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Acorn Energy, Inc. (ACFN) stock

ACFNNasdaqServices-Engineering ServicesFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 14/3010% above fair value
$15.25−0.04 (-0.26%)

Close on Nov 12, 2026Market cap $38.27MP/E 17.3Yield –

Acorn Energy, Inc. saw revenue fall 23.3% to $9.68M over the twelve months to Sep 30, 2026. Operating income fell 72.0% to $715.00K, moving the operating margin from 20.2% to 7.4%. At the latest close the market valued the company at $38.27M, 17.3 times its earnings.

Revenue
$9.68M
-23.3% vs. a year earlier
Operating income
$715.00K
-72.0% vs. a year earlier
EPS, diluted
$0.88
-66.5% vs. a year earlier

Key statistics

Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026

Valuation

Market cap
$38.27M
P/E ratio
17.3
Price to sales
3.95
Price to book
3.86
Dividend yield
–
Free cash flow yield
–

Fundamentals

Revenue
$9.68M
Net income
$2.23M
EPS, diluted
$0.88
Book value per share
$3.88
Diluted shares
3M

Trading

Next earnings
Mar 4, 2027 (estimated, before the open)
Previous close
$15.29
Open
$15.19
Day's range
$14.82 – $15.39
Volume
13,041
Average volume (20 days)
49,361
Beta (5 years)
0.10
52-week range
$12.42 – $23.75
RSI (14 days)
31.2
Volatility (1 year)
71.5%
Relative volume
0.27×
WACC
7.4%

Market cap history

Month-end market cap since 2010, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodACFNS&P 500DifferenceACFN per yearS&P 500 per year
1 month-17.7%-2.7%−15.0 pts
3 months-17.0%-1.7%−15.2 pts
Year to date+1.0%+11.9%−10.9 pts
1 year+5.1%+12.0%−6.9 pts
3 years+127.6%+78.2%+49.4 pts+31.5%+21.2%
5 years+61.5%+73.2%−11.7 pts+10.1%+11.6%
10 years+401.6%+309.6%+92.0 pts+17.5%+15.1%

Fifteen years at a glance

Fiscal years 2011 to 2025 and trailing twelve months, USD

Revenue

$9.68M-23.3% YoY

Gross profit

$7.83M-17.3% YoY

Operating income

$715.00K-72.0% YoY

Net income

$2.23M-66.5% YoY

EPS, diluted

$0.88-66.5% YoY

Free cash flow

–
Reported periodTrailing twelve months

Press releases

Releases Acorn Energy filed with the SEC as exhibits to Form 8-K or 6-K

  1. Reports Q3 Revenue Growth and Strong Operating Cash Flow; Completes Gen-Tracker Acquisition, Expanding its Product Portfolio and Monitored
    Results
  2. Q2 EPS of $0.12 Reflects Increasing High-Margin, Recurring Monitoring Revenue; Growth Initiatives Include New Generator Partnership and
    Results
  3. Reports Q1 Revenue of $2.2M with Steady Growth in High Margin, Recurring Remote Monitoring and Control Revenue; Investor Call Today at
    Results
  4. Monitoring and Control Provider Acorn Reports Higher 2025 Revenue
    Results
  5. Monitoring and Control Provider Acorn’s Nine-Month EPS Rose 35.7% to $0.57
    Results
  6. Monitoring and Control Provider Acorn’s Q2’25 EPS of $0.28, Up 155% on 55% Revenue Growth; Investor Call Today at 11 a.m.
    Results
All press releases and earnings

About Acorn Energy

Services-Engineering Services

Acorn Energy, Inc. operates as a holding company providing technology solutions for energy infrastructure asset management, primarily through its OmniMetrix subsidiary. The company develops and markets wireless remote monitoring and control systems alongside Internet of Things applications. Business activities span two primary reportable segments: Power Generation and Cathodic Protection. Power Generation solutions monitor and control commercial, industrial, and residential standby generators as well as other engine applications, capturing diagnostics to prevent machinery failure. Cathodic Protection solutions remotely monitor and control rectifiers, test stations, and mitigation equipment across gas pipeline networks. Customers include gas utility providers, pipeline operators, equipment dealer service organizations, and asset owners.

Company profile, executives and history

Acorn Energy stock: common questions

What is Acorn Energy's stock price?

ACFN closed at $15.25 on Nov 12, 2026, down 0.26% on the day. Over the past 52 weeks it traded between $12.42 and $23.75.

What is Acorn Energy's market cap?

Acorn Energy was worth $38.27M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.

What is ACFN's P/E ratio?

ACFN trades at 17.3 times earnings, based on diluted earnings per share of $0.88 over the twelve months to Sep 30, 2026.

How much revenue does Acorn Energy make?

Acorn Energy reported revenue of $9.68M for the twelve months to Sep 30, 2026, down 23.3% from a year earlier.

Does Acorn Energy pay a dividend?

No. Acorn Energy has not paid a cash dividend over the last twelve months.

When does Acorn Energy report earnings next?

Acorn Energy is expected to report Q4 FY2026 results on Mar 4, 2027, before the open. The date is estimated from its past reporting pattern until the company confirms it.

How has ACFN stock performed over the past year?

Including dividends, ACFN returned +5.1% over the past year, against +12.0% for the S&P 500.

Who are Acorn Energy's competitors?

Companies most similar to Acorn Energy by business, industry and size include WATT, PBSV, SPPL, RTB, VGTK.

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