AEHR vs. TER
AEHR (Aehr Test Systems) and TER (Teradyne, Inc.) are both stocks. Both operate in the Semiconductor Equipment & Materials industry within the Technology sector. Over the past 10 years, AEHR returned 50.48%/yr vs 37.05%/yr for TER. At a 0.23 correlation, their price movements are largely independent.
Performance
AEHR vs. TER - Performance Comparison
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Returns By Period
In the year-to-date period, AEHR achieves a 407.13% return, which is significantly higher than TER's 117.22% return. Over the past 10 years, AEHR has outperformed TER with an annualized return of 50.48%, while TER has yielded a comparatively lower 37.05% annualized return.
AEHR
- 1D
- -9.65%
- 1M
- 7.76%
- YTD
- 407.13%
- 6M
- 349.67%
- 1Y
- 810.13%
- 3Y*
- 36.85%
- 5Y*
- 107.37%
- 10Y*
- 50.48%
TER
- 1D
- -8.07%
- 1M
- 17.21%
- YTD
- 117.22%
- 6M
- 111.82%
- 1Y
- 382.14%
- 3Y*
- 59.28%
- 5Y*
- 26.82%
- 10Y*
- 37.05%
AEHR vs. TER - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AEHR Aehr Test Systems | 407.13% | 21.41% | -37.32% | 31.99% | -16.87% | 855.73% | 26.50% | 41.84% | -47.97% | 12.45% |
TER Teradyne, Inc. | 117.22% | 54.39% | 16.51% | 24.78% | -46.35% | 36.81% | 76.73% | 118.93% | -24.37% | 66.16% |
Correlation
The correlation between AEHR and TER is 0.60, 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 | 0.60 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.57 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.58 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.43 |
Correlation (All Time) Calculated using the full available price history since Aug 15, 1997 | 0.23 |
Over the past year, AEHR and TER have become more correlated (0.60) than their long-term average of 0.23, meaning their price movements have been converging.
Fundamentals
AEHR:
$3.14B
TER:
$66.23B
AEHR:
-$0.38
TER:
$5.38
AEHR:
68.38
TER:
17.62
AEHR:
22.64
TER:
21.07
AEHR:
$45.26M
TER:
$3.79B
AEHR:
$13.90M
TER:
$2.23B
AEHR:
-$13.56M
TER:
$1.11B
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Return for Risk
AEHR vs. TER — Risk / Return Rank
AEHR
TER
AEHR vs. TER - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Aehr Test Systems (AEHR) and Teradyne, Inc. (TER). 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 | TER | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.21 | ||
| Sortino ratioReturn per unit of downside risk | -0.09 | ||
| Omega ratioGain probability vs. loss probability | 1.51 | 1.63 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | 19.34 | 14.41 | +4.93 |
| Martin ratioReturn relative to average drawdown | 43.44 | 51.16 | -7.72 |
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Drawdowns
AEHR vs. TER - Drawdown Comparison
The maximum AEHR drawdown since its inception was -97.98%, roughly equal to the maximum TER drawdown of -97.30%. Use the drawdown chart below to compare losses from any high point for AEHR and TER.
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Drawdown Indicators
| AEHR | TER | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.98% | -97.30% | -0.68% |
Max Drawdown (1Y)Largest decline over 1 year | -42.31% | -26.73% | -15.58% |
Max Drawdown (3Y)Largest decline over 3 years | -87.37% | -58.18% | -29.19% |
Max Drawdown (5Y)Largest decline over 5 years | -87.37% | -59.12% | -28.25% |
Max Drawdown (10Y)Largest decline over 10 years | -87.37% | -59.12% | -28.25% |
Current DrawdownCurrent decline from peak | -12.17% | -8.07% | -4.10% |
Average DrawdownAverage peak-to-trough decline | -79.53% | -58.64% | -20.89% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.80% | 7.51% | +11.29% |
Volatility
AEHR vs. TER - Volatility Comparison
Aehr Test Systems (AEHR) has a higher volatility of 38.64% compared to Teradyne, Inc. (TER) at 26.91%. This indicates that AEHR's price experiences larger fluctuations and is considered to be riskier than TER based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AEHR | TER | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 38.64% | 26.91% | +11.73% |
Volatility (6M)Calculated over the trailing 6-month period | 88.90% | 54.52% | +34.38% |
Volatility (1Y)Calculated over the trailing 1-year period | 119.59% | 68.41% | +51.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 110.16% | 50.62% | +59.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 94.02% | 45.51% | +48.51% |
Dividends
AEHR vs. TER - Dividend Comparison
AEHR has not paid dividends to shareholders, while TER's dividend yield for the trailing twelve months is around 0.12%.
| 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% |
TER Teradyne, Inc. | 0.12% | 0.25% | 0.38% | 0.41% | 0.50% | 0.24% | 0.33% | 0.53% | 1.15% | 0.67% | 0.94% | 1.16% |
Financials
AEHR vs. TER - Financials Comparison
This section allows you to compare key financial metrics between Aehr Test Systems and Teradyne, 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. TER - 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%.
TER - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported a gross profit of 780.95M and revenue of 1.28B. Therefore, the gross margin over that period was 60.9%.
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%.
TER - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported an operating income of 473.00M and revenue of 1.28B, resulting in an operating margin of 36.9%.
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%.
TER - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported a net income of 398.91M and revenue of 1.28B, resulting in a net margin of 31.1%.
Frequently Asked Questions
AEHR and TER have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AEHR has higher volatility (38.64%) compared to TER (26.91%). In terms of maximum drawdown, AEHR dropped -97.98% vs TER's -97.30%.
AEHR currently has the higher Sharpe Ratio (6.84 vs 5.63), 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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