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ACFN vs. ATEYY
Performance
Return for Risk
Dividends
Drawdowns
Volatility
Financials

ACFN vs. ATEYY

Last updated Apr 1, 2026

Compare and contrast key facts about Acorn Energy, Inc. (ACFN) and Advantest Corp DRC (ATEYY).

Performance

ACFN vs. ATEYY - Performance Comparison

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

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ACFN vs. ATEYY - Yearly Performance Comparison

2026 (YTD)2025
ACFN
Acorn Energy, Inc.		12.58%-16.16%
ATEYY
Advantest Corp DRC		7.51%65.02%

Fundamentals

Market Cap

ACFN:

$43.15M

ATEYY:

$99.02B

EPS

ACFN:

$0.99

ATEYY:

$397.98

PE Ratio

ACFN:

17.22

ATEYY:

0.34

PEG Ratio

ACFN:

0.01

ATEYY:

0.01

PS Ratio

ACFN:

3.76

ATEYY:

0.10

PB Ratio

ACFN:

5.23

ATEYY:

0.15

Total Revenue (TTM)

ACFN:

$11.48M

ATEYY:

$1.04T

Gross Profit (TTM)

ACFN:

$8.82M

ATEYY:

$650.10B

EBITDA (TTM)

ACFN:

$2.11M

ATEYY:

$440.57B

Returns By Period

In the year-to-date period, ACFN achieves a 12.58% return, which is significantly higher than ATEYY's 7.51% return.

ACFN

1D
1.13%
1M
-19.32%
YTD
12.58%
6M
-40.56%
1Y
—
3Y*
—
5Y*
—
10Y*
—

ATEYY

1D
7.06%
1M
-21.51%
YTD
7.51%
6M
35.13%
1Y
207.75%
3Y*
80.65%
5Y*
42.72%
10Y*
51.48%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Acorn Energy, Inc.

Advantest Corp DRC

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ACFN vs. UTES
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Return for Risk

ACFN vs. ATEYY — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
ACFN
ATEYY
ATEYY Risk / Return Rank: 9595
Overall Rank
ATEYY Sharpe Ratio Rank: 9797
Sharpe Ratio Rank
ATEYY Sortino Ratio Rank: 9494
Sortino Ratio Rank
ATEYY Omega Ratio Rank: 9292
Omega Ratio Rank
ATEYY Calmar Ratio Rank: 9696
Calmar Ratio Rank
ATEYY Martin Ratio Rank: 9696
Martin Ratio Rank
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. ATEYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Acorn Energy, Inc. (ACFN) and Advantest Corp DRC (ATEYY). 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.

ACFN vs. ATEYY - Sharpe Ratio Comparison

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Sharpe Ratios by Period

ACFNATEYYDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

—

3.17

—

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

—

0.84

—

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

—

1.09

—

Sharpe Ratio (All Time)

Calculated using the full available price history

-0.08

1.10

-1.19

Correlation

The correlation between ACFN and ATEYY is 0.14, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ACFN vs. ATEYY - Dividend Comparison

Neither ACFN nor ATEYY has paid dividends to shareholders.

TTM2025202420232022202120202019201820172016
ACFN
Acorn Energy, Inc.		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
ATEYY
Advantest Corp DRC		0.00%0.11%0.22%0.00%0.00%0.00%0.00%0.00%0.00%1.18%1.24%

Drawdowns

ACFN vs. ATEYY - Drawdown Comparison

The maximum ACFN drawdown since its inception was -58.11%, roughly equal to the maximum ATEYY drawdown of -56.48%. Use the drawdown chart below to compare losses from any high point for ACFN and ATEYY.

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Drawdown Indicators

ACFNATEYYDifference

Max Drawdown

Largest peak-to-trough decline

-58.11%

-56.48%

-1.63%

Max Drawdown (1Y)

Largest decline over 1 year

—

-33.24%

—

Max Drawdown (5Y)

Largest decline over 5 years

—

-56.48%

—

Max Drawdown (10Y)

Largest decline over 10 years

—

-56.48%

—

Current Drawdown

Current decline from peak

-44.41%

-28.52%

-15.89%

Average Drawdown

Average peak-to-trough decline

-29.05%

-14.27%

-14.78%

Ulcer Index

Depth and duration of drawdowns from previous peaks

—

11.04%

—

Volatility

ACFN vs. ATEYY - Volatility Comparison

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Volatility by Period

ACFNATEYYDifference

Volatility (1M)

Calculated over the trailing 1-month period

—

20.52%

—

Volatility (6M)

Calculated over the trailing 6-month period

—

49.66%

—

Volatility (1Y)

Calculated over the trailing 1-year period

100.20%

66.08%

+34.12%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

100.20%

51.00%

+49.20%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

100.20%

47.28%

+52.92%

Financials

ACFN vs. ATEYY - Financials Comparison

This section allows you to compare key financial metrics between Acorn Energy, Inc. and Advantest Corp DRC. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.

Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities

0.0050.00B100.00B150.00B200.00B250.00BAprilJulyOctober2022AprilJulyOctober2023AprilJulyOctober2024AprilJulyOctober2025AprilJulyOctober
2.38M
278.75B
(ACFN) Total Revenue
(ATEYY) Total Revenue
Values in USD except per share items

ACFN vs. ATEYY - Profitability Comparison

The chart below illustrates the profitability comparison between Acorn Energy, Inc. and Advantest Corp DRC over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.
Gross Margin
Operating Margin
Net Margin
Quarterly
Annual
50.0%60.0%70.0%80.0%AprilJulyOctober2022AprilJulyOctober2023AprilJulyOctober2024AprilJulyOctober2025AprilJulyOctober
80.1%
62.0%
Portfolio components
ACFN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Acorn Energy, Inc. reported a gross profit of 1.91M and revenue of 2.38M. Therefore, the gross margin over that period was 80.1%.

ATEYY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Advantest Corp DRC reported a gross profit of 172.77B and revenue of 278.75B. Therefore, the gross margin over that period was 62.0%.

ACFN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Acorn Energy, Inc. reported an operating income of 279.00K and revenue of 2.38M, resulting in an operating margin of 11.7%.

ATEYY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Advantest Corp DRC reported an operating income of 115.56B and revenue of 278.75B, resulting in an operating margin of 41.5%.

ACFN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Acorn Energy, Inc. reported a net income of 1.07M and revenue of 2.38M, resulting in a net margin of 45.2%.

ATEYY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Advantest Corp DRC reported a net income of 80.13B and revenue of 278.75B, resulting in a net margin of 28.8%.