MOD vs. AEHR
MOD (Modine Manufacturing Company) and AEHR (Aehr Test Systems) are both stocks. MOD operates in Auto Parts (Consumer Cyclical), while AEHR operates in Semiconductor Equipment & Materials (Technology). Over the past 10 years, MOD returned 37.53%/yr vs 46.40%/yr for AEHR. At a 0.18 correlation, their price movements are largely independent.
Performance
MOD vs. AEHR - Performance Comparison
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Returns By Period
In the year-to-date period, MOD achieves a 70.68% return, which is significantly lower than AEHR's 283.16% return. Over the past 10 years, MOD has underperformed AEHR with an annualized return of 37.53%, while AEHR has yielded a comparatively higher 46.40% annualized return.
MOD
- 1D
- -0.64%
- 1M
- -23.37%
- 6M
- 66.48%
- YTD
- 70.68%
- 1Y
- 133.10%
- 3Y*
- 83.92%
- 5Y*
- 68.96%
- 10Y*
- 37.53%
- ALL TIME*
- 10.69%
AEHR
- 1D
- -4.55%
- 1M
- -32.91%
- 6M
- 168.52%
- YTD
- 283.16%
- 1Y
- 413.34%
- 3Y*
- 16.97%
- 5Y*
- 57.31%
- 10Y*
- 46.40%
- ALL TIME*
- 5.90%
MOD vs. AEHR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MOD Modine Manufacturing Company | 70.68% | 15.16% | 94.19% | 200.60% | 96.83% | -19.67% | 63.12% | -28.77% | -46.49% | 35.57% |
AEHR Aehr Test Systems | 283.16% | 21.41% | -37.32% | 31.99% | -16.87% | 855.73% | 26.50% | 41.84% | -47.97% | 12.45% |
Correlation
The correlation between MOD and AEHR is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.53 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.41 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.40 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.29 |
Correlation (All Time) Calculated using the full available price history since Aug 15, 1997 | 0.18 |
Over the past year, MOD and AEHR have become more correlated (0.53) than their long-term average of 0.18, meaning their price movements have been converging.
Fundamentals
MOD:
$12.10B
AEHR:
$2.43B
MOD:
$4.66
AEHR:
-$0.23
MOD:
3.83
AEHR:
47.90
MOD:
10.23
AEHR:
11.69
MOD:
$3.18B
AEHR:
$50.00M
MOD:
$731.10M
AEHR:
$17.65M
MOD:
$276.90M
AEHR:
-$10.85M
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Return for Risk
MOD vs. AEHR — Risk / Return Rank
MOD
AEHR
MOD vs. AEHR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Modine Manufacturing Company (MOD) and Aehr Test Systems (AEHR). 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.
| MOD | AEHR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.42 | ||
| Sortino ratioReturn per unit of downside risk | -0.91 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.39 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | 4.86 | 9.79 | -4.93 |
| Martin ratioReturn relative to average drawdown | 12.12 | 20.21 | -8.09 |
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Drawdowns
MOD vs. AEHR - Drawdown Comparison
The maximum MOD drawdown since its inception was -97.53%, roughly equal to the maximum AEHR drawdown of -97.98%. Use the drawdown chart below to compare losses from any high point for MOD and AEHR.
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Drawdown Indicators
| MOD | AEHR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.53% | -97.98% | +0.45% |
Max Drawdown (1Y)Largest decline over 1 year | -27.55% | -42.58% | +15.03% |
Max Drawdown (3Y)Largest decline over 3 years | -51.61% | -87.37% | +35.76% |
Max Drawdown (5Y)Largest decline over 5 years | -54.27% | -87.37% | +33.10% |
Max Drawdown (10Y)Largest decline over 10 years | -88.13% | -87.37% | -0.76% |
Current DrawdownCurrent decline from peak | -25.75% | -33.64% | +7.89% |
Average DrawdownAverage peak-to-trough decline | -37.60% | -79.41% | +41.81% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.03% | 20.57% | -9.54% |
Volatility
MOD vs. AEHR - Volatility Comparison
The current volatility for Modine Manufacturing Company (MOD) is 18.86%, while Aehr Test Systems (AEHR) has a volatility of 38.99%. This indicates that MOD experiences smaller price fluctuations and is considered to be less risky than AEHR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MOD | AEHR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 18.86% | 38.99% | -20.13% |
Volatility (6M)Calculated over the trailing 6-month period | 50.77% | 94.48% | -43.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 68.35% | 123.49% | -55.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 60.64% | 103.40% | -42.76% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 58.97% | 94.64% | -35.67% |
Dividends
MOD vs. AEHR - Dividend Comparison
Neither MOD nor AEHR has paid dividends to shareholders.
Financials
MOD vs. AEHR - Financials Comparison
This section allows you to compare key financial metrics between Modine Manufacturing Company and Aehr Test Systems. 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
MOD vs. AEHR - Profitability Comparison
MOD - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Modine Manufacturing Company reported a gross profit of 214.70M and revenue of 954.40M. Therefore, the gross margin over that period was 22.5%.
AEHR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Aehr Test Systems reported a gross profit of 8.02M and revenue of 18.84M. Therefore, the gross margin over that period was 42.6%.
MOD - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Modine Manufacturing Company reported an operating income of 96.40M and revenue of 954.40M, resulting in an operating margin of 10.1%.
AEHR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Aehr Test Systems reported an operating income of -987.00K and revenue of 18.84M, resulting in an operating margin of -5.2%.
MOD - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Modine Manufacturing Company reported a net income of 201.50M and revenue of 954.40M, resulting in a net margin of 21.1%.
AEHR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Aehr Test Systems reported a net income of 1.39M and revenue of 18.84M, resulting in a net margin of 7.4%.
Frequently Asked Questions
MOD and AEHR have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AEHR has higher volatility (38.99%) compared to MOD (18.86%). In terms of maximum drawdown, MOD dropped -97.53% vs AEHR's -97.98%.
AEHR currently has the higher Sharpe Ratio (3.38 vs 1.96), 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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