AEHR vs. RS
AEHR (Aehr Test Systems) and RS (Reliance Steel & Aluminum Co.) are both stocks. AEHR operates in Semiconductor Equipment & Materials (Technology), while RS operates in Steel (Basic Materials). Over the past 10 years, AEHR returned 49.80%/yr vs 20.17%/yr for RS. At a 0.17 correlation, their price movements are largely independent.
Performance
AEHR vs. RS - Performance Comparison
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Returns By Period
In the year-to-date period, AEHR achieves a 373.40% return, which is significantly higher than RS's 38.20% return. Over the past 10 years, AEHR has outperformed RS with an annualized return of 49.80%, while RS has yielded a comparatively lower 20.17% annualized return.
AEHR
- 1D
- -2.92%
- 1M
- -1.70%
- YTD
- 373.40%
- 6M
- 300.42%
- 1Y
- 742.86%
- 3Y*
- 30.98%
- 5Y*
- 104.84%
- 10Y*
- 49.80%
RS
- 1D
- 0.47%
- 1M
- 7.67%
- YTD
- 38.20%
- 6M
- 41.93%
- 1Y
- 29.99%
- 3Y*
- 18.94%
- 5Y*
- 19.92%
- 10Y*
- 20.17%
AEHR vs. RS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AEHR Aehr Test Systems | 373.40% | 21.41% | -37.32% | 31.99% | -16.87% | 855.73% | 26.50% | 41.84% | -47.97% | 12.45% |
RS Reliance Steel & Aluminum Co. | 38.20% | 9.12% | -2.33% | 40.29% | 27.08% | 37.84% | 2.42% | 72.21% | -15.12% | 10.49% |
Correlation
The correlation between AEHR and RS is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.36 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.31 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.31 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Aug 15, 1997 | 0.17 |
The correlation between AEHR and RS shifts across timeframes, from 0.17 (all time) to 0.36 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
AEHR:
-$0.38
RS:
$14.01
AEHR:
63.83
RS:
1.46
AEHR:
$45.26M
RS:
$14.29B
AEHR:
$13.90M
RS:
$3.90B
AEHR:
-$13.56M
RS:
$1.30B
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Return for Risk
AEHR vs. RS — Risk / Return Rank
AEHR
RS
AEHR vs. RS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Aehr Test Systems (AEHR) and Reliance Steel & Aluminum Co. (RS). 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.
| AEHR | RS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +5.13 | ||
| Sortino ratioReturn per unit of downside risk | +2.66 | ||
| Omega ratioGain probability vs. loss probability | 1.50 | 1.24 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 17.73 | 1.35 | +16.37 |
| Martin ratioReturn relative to average drawdown | 40.02 | 2.33 | +37.69 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| AEHR | RS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 6.34 | 1.21 | +5.13 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.96 | 0.72 | +0.24 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.53 | 0.68 | -0.15 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.08 | 0.46 | -0.38 |
Drawdowns
AEHR vs. RS - Drawdown Comparison
The maximum AEHR drawdown since its inception was -97.98%, which is greater than RS's maximum drawdown of -83.80%. Use the drawdown chart below to compare losses from any high point for AEHR and RS.
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Drawdown Indicators
| AEHR | RS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.98% | -83.80% | -14.18% |
Max Drawdown (1Y)Largest decline over 1 year | -42.31% | -22.30% | -20.01% |
Max Drawdown (3Y)Largest decline over 3 years | -87.37% | -22.30% | -65.07% |
Max Drawdown (5Y)Largest decline over 5 years | -87.37% | -22.32% | -65.05% |
Max Drawdown (10Y)Largest decline over 10 years | -87.37% | -40.83% | -46.54% |
Current DrawdownCurrent decline from peak | -18.01% | -0.05% | -17.96% |
Average DrawdownAverage peak-to-trough decline | -79.64% | -16.48% | -63.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.70% | 12.90% | +5.80% |
Volatility
AEHR vs. RS - Volatility Comparison
Aehr Test Systems (AEHR) has a higher volatility of 41.80% compared to Reliance Steel & Aluminum Co. (RS) at 5.48%. This indicates that AEHR's price experiences larger fluctuations and is considered to be riskier than RS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AEHR | RS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 41.80% | 5.48% | +36.32% |
Volatility (6M)Calculated over the trailing 6-month period | 87.81% | 16.63% | +71.18% |
Volatility (1Y)Calculated over the trailing 1-year period | 118.61% | 25.03% | +93.58% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 109.78% | 27.92% | +81.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 93.87% | 29.64% | +64.23% |
Dividends
AEHR vs. RS - Dividend Comparison
AEHR has not paid dividends to shareholders, while RS's dividend yield for the trailing twelve months is around 1.24%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AEHR Aehr Test Systems | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
RS Reliance Steel & Aluminum Co. | 1.24% | 1.66% | 1.63% | 1.43% | 1.73% | 1.70% | 2.09% | 1.84% | 2.81% | 2.10% | 2.07% | 2.76% |
Financials
AEHR vs. RS - Financials Comparison
This section allows you to compare key financial metrics between Aehr Test Systems and Reliance Steel & Aluminum Co.. 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
AEHR vs. RS - Profitability Comparison
AEHR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Aehr Test Systems reported a gross profit of 3.37M and revenue of 10.31M. Therefore, the gross margin over that period was 32.7%.
RS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Reliance Steel & Aluminum Co. reported a gross profit of 885.40M and revenue of 3.50B. Therefore, the gross margin over that period was 25.3%.
AEHR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Aehr Test Systems reported an operating income of -4.23M and revenue of 10.31M, resulting in an operating margin of -41.0%.
RS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Reliance Steel & Aluminum Co. reported an operating income of 176.20M and revenue of 3.50B, resulting in an operating margin of 5.0%.
AEHR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Aehr Test Systems reported a net income of -3.20M and revenue of 10.31M, resulting in a net margin of -31.1%.
RS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Reliance Steel & Aluminum Co. reported a net income of 116.50M and revenue of 3.50B, resulting in a net margin of 3.3%.
Frequently Asked Questions
AEHR and RS have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AEHR has higher volatility (41.80%) compared to RS (5.48%). In terms of maximum drawdown, AEHR dropped -97.98% vs RS's -83.80%.
AEHR currently has the higher Sharpe Ratio (6.34 vs 1.21), 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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