Which has grown faster, ACFN or REKR?

Over the past five years, REKR grew revenue faster — ACFN at a 8.27% CAGR versus REKR at 29.94%.

Is ACFN or REKR more profitable?

ACFN runs the higher net margin — ACFN at 16.12% versus REKR at -43.84%.

How have ACFN and REKR total returns compared?

Over the past 5 years, ACFN delivered 14.29% and REKR delivered -49.44% annualized total return. Past performance doesn't predict future results.

Acorn Energy, Inc. (ACFN) vs Rekor Systems, Inc. (REKR)

A side-by-side comparison of Acorn Energy, Inc. and Rekor Systems, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

ACFN

Acorn Energy, Inc.

$47M

$18.85TechnologyDelayed quote: Oct 6, 2026, 12:29 PM EDT

REKR

Rekor Systems, Inc.

$46M

$0.34TechnologyDelayed quote: Oct 6, 2026, 12:25 PM EDT

Total return — ACFN vs REKR

growth of $100 · dividends reinvested · last 9y

ACFN +485.0% (+21.7%/yr)REKR -87.9% (-20.9%/yr)ACFN compounded faster over this window

Log scale — wide-divergence pair

ACFN REKR

ACFN vs REKR: by the numbers

•ACFN is the larger company ($47M vs $46M market cap).
•ACFN is profitable (16.12% net margin) while REKR runs a net loss (-43.84%).
•REKR grew revenue faster over the past five years (29.94% vs 8.27% CAGR).

Metrics side by side

Valuation

Metric	ACFN	REKR
P/E ratio	31.00	N/A
PEG ratio	0.23	N/A
P/S ratio	4.94	0.93
P/B ratio	5.39	1.36
EV / EBITDA	53.70	N/A
FCF yield	3.04%	N/A

Profitability

Metric	ACFN	REKR
Gross margin	80.29%	55.31%
Operating margin	17.33%	-51.87%
Net margin	16.12%	-43.84%
ROE	17.59%	-63.99%
ROIC	6.66%	-26.59%

Growth (annualized)

Metric	ACFN	REKR
Revenue CAGR (5Y)	8.27%	29.94%
EPS CAGR (5Y)	136.36%	N/A
FCF CAGR (5Y)	27.76%	N/A
Total return CAGR (5Y)	14.29%	-49.44%

Frequently asked

Which has grown faster, ACFN or REKR?: Over the past five years, REKR grew revenue faster — ACFN at a 8.27% CAGR versus REKR at 29.94%.
Is ACFN or REKR more profitable?: ACFN runs the higher net margin — ACFN at 16.12% versus REKR at -43.84%.
How have ACFN and REKR total returns compared?: Over the past 5 years, ACFN delivered 14.29% and REKR delivered -49.44% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ACFN analysis Full REKR analysis Interactive comparison tool

Dig into the metrics

Acorn Energy P/E ratio Acorn Energy ROE Rekor Systems ROE Acorn Energy operating margin Rekor Systems operating margin Acorn Energy revenue growth Rekor Systems revenue growth Acorn Energy free cash flow Rekor Systems free cash flow

Acorn Energy & Rekor Systems appear in these rankings

Fastest Revenue Growth Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.