AEHR vs. SMCI
AEHR (Aehr Test Systems) and SMCI (Super Micro Computer, Inc.) are both stocks. Both are in the Technology sector — AEHR in Semiconductor Equipment & Materials, SMCI in Computer Hardware. Over the past 10 years, AEHR returned 47.95%/yr vs 27.39%/yr for SMCI. At a 0.21 correlation, their price movements are largely independent.
Performance
AEHR vs. SMCI - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, AEHR achieves a 318.15% return, which is significantly higher than SMCI's -5.53% return. Over the past 10 years, AEHR has outperformed SMCI with an annualized return of 47.95%, while SMCI has yielded a comparatively lower 27.39% annualized return.
AEHR
- 1D
- -12.11%
- 1M
- -9.82%
- YTD
- 318.15%
- 6M
- 318.15%
- 1Y
- 498.33%
- 3Y*
- 26.96%
- 5Y*
- 98.49%
- 10Y*
- 47.95%
SMCI
- 1D
- -5.73%
- 1M
- -41.02%
- YTD
- -5.53%
- 6M
- -5.53%
- 1Y
- -41.42%
- 3Y*
- 3.52%
- 5Y*
- 50.84%
- 10Y*
- 27.39%
AEHR vs. SMCI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AEHR Aehr Test Systems | 318.15% | 21.41% | -37.32% | 31.99% | -16.87% | 855.73% | 26.50% | 41.84% | -47.97% | 12.45% |
SMCI Super Micro Computer, Inc. | -5.53% | -3.97% | 7.23% | 246.24% | 86.80% | 38.82% | 31.81% | 74.06% | -34.07% | -25.38% |
Correlation
The correlation between AEHR and SMCI is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.40 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.38 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.38 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Mar 29, 2007 | 0.21 |
The correlation between AEHR and SMCI shifts across timeframes, from 0.21 (all time) to 0.40 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
AEHR:
$2.59B
SMCI:
$18.62B
AEHR:
-$0.38
SMCI:
$2.66
AEHR:
56.38
SMCI:
0.55
AEHR:
18.67
SMCI:
2.46
AEHR:
$45.26M
SMCI:
$33.70B
AEHR:
$13.90M
SMCI:
$2.83B
AEHR:
-$13.56M
SMCI:
$1.47B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
AEHR vs. SMCI — Risk / Return Rank
AEHR
SMCI
AEHR vs. SMCI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Aehr Test Systems (AEHR) and Super Micro Computer, Inc. (SMCI). 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.
| AEHR | SMCI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +4.66 | ||
| Sortino ratioReturn per unit of downside risk | +3.87 | ||
| Omega ratioGain probability vs. loss probability | 1.42 | 0.97 | +0.45 |
| Calmar ratioReturn relative to maximum drawdown | 11.88 | -0.63 | +12.51 |
| Martin ratioReturn relative to average drawdown | 26.33 | -1.02 | +27.35 |
Loading charts...
Drawdowns
AEHR vs. SMCI - Drawdown Comparison
The maximum AEHR drawdown since its inception was -97.98%, which is greater than SMCI's maximum drawdown of -84.84%. Use the drawdown chart below to compare losses from any high point for AEHR and SMCI.
Loading charts...
Drawdown Indicators
| AEHR | SMCI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.98% | -84.84% | -13.14% |
Max Drawdown (1Y)Largest decline over 1 year | -42.31% | -66.18% | +23.87% |
Max Drawdown (3Y)Largest decline over 3 years | -87.37% | -84.84% | -2.53% |
Max Drawdown (5Y)Largest decline over 5 years | -87.37% | -84.84% | -2.53% |
Max Drawdown (10Y)Largest decline over 10 years | -87.37% | -84.84% | -2.53% |
Current DrawdownCurrent decline from peak | -27.58% | -76.73% | +49.15% |
Average DrawdownAverage peak-to-trough decline | -79.48% | -32.09% | -47.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 19.05% | 40.80% | -21.75% |
Volatility
AEHR vs. SMCI - Volatility Comparison
The current volatility for Aehr Test Systems (AEHR) is 38.09%, while Super Micro Computer, Inc. (SMCI) has a volatility of 44.79%. This indicates that AEHR experiences smaller price fluctuations and is considered to be less risky than SMCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| AEHR | SMCI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 38.09% | 44.79% | -6.70% |
Volatility (6M)Calculated over the trailing 6-month period | 90.42% | 79.14% | +11.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 120.42% | 86.79% | +33.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 110.40% | 87.23% | +23.17% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 94.11% | 71.54% | +22.57% |
Dividends
AEHR vs. SMCI - Dividend Comparison
Neither AEHR nor SMCI has paid dividends to shareholders.
Financials
AEHR vs. SMCI - Financials Comparison
This section allows you to compare key financial metrics between Aehr Test Systems and Super Micro Computer, 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
AEHR vs. SMCI - Profitability Comparison
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 3.37M and revenue of 10.31M. Therefore, the gross margin over that period was 32.7%.
SMCI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Super Micro Computer, Inc. reported a gross profit of 1.02B and revenue of 10.24B. Therefore, the gross margin over that period was 10.0%.
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 -4.23M and revenue of 10.31M, resulting in an operating margin of -41.0%.
SMCI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Super Micro Computer, Inc. reported an operating income of 625.87M and revenue of 10.24B, resulting in an operating margin of 6.1%.
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 -3.20M and revenue of 10.31M, resulting in a net margin of -31.1%.
SMCI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Super Micro Computer, Inc. reported a net income of 1.02B and revenue of 10.24B, resulting in a net margin of 9.9%.
Frequently Asked Questions
AEHR and SMCI have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SMCI has higher volatility (44.79%) compared to AEHR (38.09%). In terms of maximum drawdown, AEHR dropped -97.98% vs SMCI's -84.84%.
AEHR currently has the higher Sharpe Ratio (4.18 vs -0.48), 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.
Find the right allocation for AEHR and SMCI
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer