Which has grown faster, ACFN or TACT?

Over the past five years, TACT grew revenue faster — ACFN at a 8.27% CAGR versus TACT at 10.15%.

Is ACFN or TACT more profitable?

ACFN runs the higher net margin — ACFN at 16.12% versus TACT at -0.75%.

How have ACFN and TACT total returns compared?

Over the past 10 years, ACFN delivered 19.32% and TACT delivered -3.60% annualized total return. Past performance doesn't predict future results.

Acorn Energy, Inc. (ACFN) vs TransAct Technologies Incorporated (TACT)

A side-by-side comparison of Acorn Energy, Inc. and TransAct Technologies Incorporated 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

$18.75TechnologyDelayed quote: Oct 6, 2026, 2:49 PM EDT

TACT

TransAct Technologies Incorporated

$47M

$4.55TechnologyDelayed quote: Oct 6, 2026, 2:36 PM EDT

Total return — ACFN vs TACT

growth of $100 · dividends reinvested · last 10y

ACFN +588.2% (+21.3%/yr)TACT -29.6% (-3.5%/yr)ACFN compounded faster over this window

Log scale — wide-divergence pair

ACFN TACT

ACFN vs TACT: by the numbers

•ACFN is the larger company ($47M vs $47M market cap).
•ACFN is profitable (16.12% net margin) while TACT runs a net loss (-0.75%).
•TACT grew revenue faster over the past five years (10.15% vs 8.27% CAGR).

Metrics side by side

Valuation

Metric	ACFN	TACT
P/E ratio	30.84	N/A
PEG ratio	0.23	N/A
P/S ratio	4.91	0.88
P/B ratio	5.36	1.43
EV / EBITDA	53.39	153.77
FCF yield	3.05%	10.86%

Profitability

Metric	ACFN	TACT
Gross margin	80.29%	49.55%
Operating margin	17.33%	-0.80%
Net margin	16.12%	-0.75%
ROE	17.59%	-1.22%
ROIC	6.66%	-1.19%

Growth (annualized)

Metric	ACFN	TACT
Revenue CAGR (5Y)	8.27%	10.15%
EPS CAGR (5Y)	136.36%	N/A
FCF CAGR (5Y)	27.76%	N/A
Total return CAGR (5Y)	14.29%	-19.50%

Frequently asked

Which has grown faster, ACFN or TACT?: Over the past five years, TACT grew revenue faster — ACFN at a 8.27% CAGR versus TACT at 10.15%.
Is ACFN or TACT more profitable?: ACFN runs the higher net margin — ACFN at 16.12% versus TACT at -0.75%.
How have ACFN and TACT total returns compared?: Over the past 10 years, ACFN delivered 19.32% and TACT delivered -3.60% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ACFN analysis Full TACT analysis Interactive comparison tool

Dig into the metrics

Acorn Energy P/E ratio Acorn Energy ROE TransAct Technologies ROE Acorn Energy operating margin TransAct Technologies operating margin Acorn Energy revenue growth TransAct Technologies revenue growth Acorn Energy free cash flow TransAct Technologies free cash flow

Acorn Energy & TransAct Technologies appear in these rankings

Highest FCF Yield 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.