ACFN vs. IESC

Last updated Jun 4, 2026

ACFN (Acorn Energy, Inc.) and IESC (IES Holdings, Inc.) are both stocks. ACFN operates in Scientific & Technical Instruments (Technology), while IESC operates in Engineering & Construction (Industrials). At a 0.22 correlation, their price movements are largely independent.

Performance

ACFN vs. IESC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Acorn Energy, Inc. (ACFN) and IES Holdings, Inc. (IESC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ACFN achieves a 10.07% return, which is significantly lower than IESC's 86.22% return.

ACFN

• 1D: -2.52%
• 1M: -14.68%
• YTD: 10.07%
• 6M: 4.27%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

IESC

• 1D: 2.77%
• 1M: 15.65%
• YTD: 86.22%
• 6M: 72.76%
• 1Y: 166.54%
• 3Y*: 142.30%
• 5Y*: 67.69%
• 10Y*: 47.29%

*Multi-year figures are annualized to reflect compound growth (CAGR)

ACFN vs. IESC - Yearly Performance Comparison

	2026 (YTD)	2025
ACFN Acorn Energy, Inc.	10.07%	-16.16%
IESC IES Holdings, Inc.	86.22%	18.49%

Correlation

The correlation between ACFN and IESC is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jul 25, 2025	0.22

Fundamentals

Market Cap ACFN : $41.65M IESC : $14.62B
EPS ACFN : $0.78 IESC : $18.85
PE Ratio ACFN : 21.38 IESC : 38.43
PEG Ratio ACFN : 0.02 IESC : 0.46
PS Ratio ACFN : 3.97 IESC : 4.02
PB Ratio ACFN : 4.97 IESC : 13.63
Total Revenue (TTM) ACFN : $10.61M IESC : $3.63B
Gross Profit (TTM) ACFN : $8.27M IESC : $931.31M
EBITDA (TTM) ACFN : $1.38M IESC : $487.14M

Return for Risk

ACFN vs. IESC — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IESC

IESC Risk / Return Rank: 91
IESC Sharpe Ratio Rank: 93
IESC Sortino Ratio Rank: 86
IESC Omega Ratio Rank: 87
IESC Calmar Ratio Rank: 95
IESC Martin Ratio Rank: 96

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ACFN vs. IESC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Acorn Energy, Inc. (ACFN) and IES Holdings, Inc. (IESC). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	ACFN	IESC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.71	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.26	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.99	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.10	0.05	-0.15

Drawdowns

ACFN vs. IESC - Drawdown Comparison

The maximum ACFN drawdown since its inception was -58.11%, smaller than the maximum IESC drawdown of -98.32%. Use the drawdown chart below to compare losses from any high point for ACFN and IESC.

Drawdown Indicators

	ACFN	IESC	Difference
Max Drawdown Largest peak-to-trough decline	-58.11%	-98.32%	+40.21%
Max Drawdown (1Y) Largest decline over 1 year	—	-21.80%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-49.23%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-54.28%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-54.28%	—
Current Drawdown Current decline from peak	-45.65%	0.00%	-45.65%
Average Drawdown Average peak-to-trough decline	-31.65%	-55.03%	+23.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	7.66%	—

Volatility

Volatility by Period

	ACFN	IESC	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	12.25%	—
Volatility (6M) Calculated over the trailing 6-month period	—	49.68%	—
Volatility (1Y) Calculated over the trailing 1-year period	93.09%	61.92%	+31.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	93.09%	53.91%	+39.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	93.09%	48.10%	+44.99%

Dividends

ACFN vs. IESC - Dividend Comparison

Neither ACFN nor IESC has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

ACFN vs. IESC - Profitability Comparison

The chart below illustrates the profitability comparison between Acorn Energy, Inc. and IES Holdings, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ACFN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Acorn Energy, Inc. reported a gross profit of 1.79M and revenue of 2.23M. Therefore, the gross margin over that period was 80.2%.

IESC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, IES Holdings, Inc. reported a gross profit of 238.70M and revenue of 974.20M. Therefore, the gross margin over that period was 24.5%.

ACFN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Acorn Energy, Inc. reported an operating income of -129.00K and revenue of 2.23M, resulting in an operating margin of -5.8%.

IESC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, IES Holdings, Inc. reported an operating income of 112.30M and revenue of 974.20M, resulting in an operating margin of 11.5%.

ACFN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Acorn Energy, Inc. reported a net income of -77.00K and revenue of 2.23M, resulting in a net margin of -3.5%.

IESC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, IES Holdings, Inc. reported a net income of 110.00M and revenue of 974.20M, resulting in a net margin of 11.3%.

Frequently Asked Questions

Can I hold both ACFN and IESC in my portfolio?

ACFN and IESC have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.