ATEYY vs. ACFN
ATEYY (Advantest Corp DRC) and ACFN (Acorn Energy, Inc.) are both stocks. Both are in the Technology sector — ATEYY in Semiconductor Equipment & Materials, ACFN in Scientific & Technical Instruments. Over the past year, ATEYY returned 126.49% vs -24.71% for ACFN. Their 0.11 correlation means their historical movements had little consistent relationship.
Performance
ATEYY vs. ACFN - Performance Comparison
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Returns By Period
In the year-to-date period, ATEYY achieves a 31.60% return, which is significantly higher than ACFN's 24.20% return.
ATEYY
- 1D
- 6.92%
- 1M
- -19.56%
- 6M
- -12.51%
- YTD
- 31.60%
- 1Y
- 126.49%
- 3Y*
- 67.39%
- 5Y*
- 49.70%
- 10Y*
- 48.41%
- ALL TIME*
- 52.54%
ACFN
- 1D
- -2.32%
- 1M
- 9.03%
- 6M
- 8.28%
- YTD
- 24.20%
- 1Y
- -24.71%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 1.36%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $206.13K | $195.78K | $173.36K | |
ATEYY Advantest Corp DRC | $16.53M | $44.83M | $27.35M |
ATEYY vs. ACFN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
ATEYY Advantest Corp DRC | 31.60% | 59.12% |
ACFN Acorn Energy, Inc. | 24.20% | -18.38% |
Correlation
The correlation between ATEYY and ACFN is 0.11, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.11 |
Correlation (All Time) Calculated using the full available price history since Jul 24, 2025 | 0.11 |
Fundamentals
ATEYY:
$119.71B
ACFN:
$47.04M
ATEYY:
¥520.91
ACFN:
$0.78
ATEYY:
52.16
ACFN:
24.12
ATEYY:
0.67
ACFN:
0.02
ATEYY:
17.35
ACFN:
4.48
ATEYY:
24.80
ACFN:
5.61
ATEYY:
¥1.14T
ACFN:
$10.61M
ATEYY:
¥736.09B
ACFN:
$8.27M
ATEYY:
¥533.69B
ACFN:
$1.38M
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Return for Risk
ATEYY vs. ACFN — Risk / Return Rank
ATEYY
ACFN
ATEYY vs. ACFN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Advantest Corp DRC (ATEYY) and Acorn Energy, Inc. (ACFN). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ATEYY | ACFN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.01 | ||
| Sortino ratioReturn per unit of downside risk | +2.19 | ||
| Omega ratioGain probability vs. loss probability | 1.28 | 1.02 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 3.83 | -0.43 | +4.25 |
| Martin ratioReturn relative to average drawdown | 9.74 | -0.67 | +10.41 |
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Drawdowns
ATEYY vs. ACFN - Drawdown Comparison
The maximum ATEYY drawdown since its inception was -56.48%, roughly equal to the maximum ACFN drawdown of -58.11%. Use the drawdown chart below to compare losses from any high point for ATEYY and ACFN.
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Drawdown Indicators
| ATEYY | ACFN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.48% | -58.11% | +1.63% |
Max Drawdown (1Y)Largest decline over 1 year | -33.24% | -58.11% | +24.87% |
Max Drawdown (3Y)Largest decline over 3 years | -44.70% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -56.48% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -56.48% | — | — |
Current DrawdownCurrent decline from peak | -23.12% | -38.67% | +15.55% |
Average DrawdownAverage peak-to-trough decline | -14.21% | -33.15% | +18.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 13.10% | 37.20% | -24.10% |
Volatility
ATEYY vs. ACFN - Volatility Comparison
Advantest Corp DRC (ATEYY) has a higher volatility of 24.30% compared to Acorn Energy, Inc. (ACFN) at 13.81%. This indicates that ATEYY's price experiences larger fluctuations and is considered to be riskier than ACFN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ATEYY | ACFN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 24.30% | 13.81% | +10.49% |
Volatility (6M)Calculated over the trailing 6-month period | 59.32% | 48.88% | +10.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 74.45% | 85.25% | -10.80% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.78% | 87.61% | -32.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 49.26% | 87.61% | -38.35% |
Dividends
ATEYY vs. ACFN - Dividend Comparison
Neither ATEYY nor ACFN has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
Financials
ATEYY vs. ACFN - Financials Comparison
This section allows you to compare key financial metrics between Advantest Corp DRC and Acorn Energy, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ATEYY vs. ACFN - Profitability Comparison
ATEYY - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Advantest Corp DRC reported a gross profit of 225.18B and revenue of 334.10B. Therefore, the gross margin over that period was 67.4%.
ACFN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 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%.
ATEYY - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Advantest Corp DRC reported an operating income of 156.38B and revenue of 334.10B, resulting in an operating margin of 46.8%.
ACFN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Acorn Energy, Inc. reported an operating income of -129.00K and revenue of 2.23M, resulting in an operating margin of -5.8%.
ATEYY - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Advantest Corp DRC reported a net income of 129.16B and revenue of 334.10B, resulting in a net margin of 38.7%.
ACFN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Acorn Energy, Inc. reported a net income of -77.00K and revenue of 2.23M, resulting in a net margin of -3.5%.
Frequently Asked Questions
ATEYY and ACFN have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ATEYY has higher volatility (24.30%) compared to ACFN (13.81%). In terms of maximum drawdown, ATEYY dropped -56.48% vs ACFN's -58.11%.
ATEYY currently has the higher Sharpe Ratio (1.71 vs -0.29), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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