Stocktoria

ACORN ENERGY, INC. ACFN

Nasdaq · stock · Services-Engineering Services · website · IPO 1992-02-11

ACORN ENERGY, INC. statistics & valuation

P / E17.2×
P / S3.8×
P / B5.2×
Net margin21.9%
Return on capital20.9%
Graham number -53.5%$8.54

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value ($8.54); a green figure means the price is below it.

Profitability & efficiency

Net margin (%)
1.70% -26.90% -39.30% -11.30% 1.20% -0.30% -9.00% 1.50% 57.30% 21.90% 2016201720182019202020212022202320242025
Gross margin (%)
40.70% 56.30% 61.40% 65.40% 69.80% 72.30% 72.40% 74.50% 72.80% 76.80% 2016201720182019202020212022202320242025
Operating margin (%)
-35.30% -43.90% -27.60% -12.70% -5.20% -0.10% -9.00% 0.90% 17.60% 17.30% 2016201720182019202020212022202320242025
Return on equity (%)
7.70% -155.50% 112.90% 30.20% 2016201720182019202020212022202320242025
Shares outstanding
29.3M 29.5M 29.6M 39.6M 39.7M 39.7M 2.5M 2.5M 2.5M 2.5M 2016201720182019202020212022202320242025
Net debt ($)
2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
1.60% -12.70% -51.10% -12.40% 1.30% -0.30% -10.60% 2.20% 59.40% 18.80% 2016201720182019202020212022202320242025
Free cash flow margin (%)
-52.60% 2016201720182019202020212022202320242025
Debt / equity (×)
2016201720182019202020212022202320242025
EPS ($)
-$0.25 $0.05 $2.51 $0.99 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

ACORN ENERGY, INC. trades at about 18.6× earnings — below its 10-year norm (10-year range 6.8×–120×, median 52.2×).

6.8× 120×

Shaded band = 10-year range (6.8×–120×); dot = today's 18.6×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Gross margin76.8%72.8%74.5%72.4%72.3%69.8%65.4%61.4%56.3%40.7%
Operating margin17.3%17.6%0.9%-9.0%-0.1%-5.2%-12.7%-27.6%-43.9%-35.3%
Net margin21.9%57.3%1.5%-9.0%-0.3%1.2%-11.3%-39.3%-26.9%1.7%
FCF margin-52.6%
Return on assets18.8%59.4%2.2%-10.6%-0.3%1.3%-12.4%-51.1%-12.7%1.6%
Return on equity30.2%112.9%-14.2%62.2%4.5%-13.2%95.7%149.6%-155.5%7.7%
Current ratio1.831.260.880.880.990.980.950.831.161.68

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.