AEHR vs. TER

Last updated Apr 2, 2026

Compare and contrast key facts about Aehr Test Systems (AEHR) and Teradyne, Inc. (TER).

Performance

AEHR vs. TER - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aehr Test Systems (AEHR) and Teradyne, Inc. (TER). The values are adjusted to include any dividend payments, if applicable.

AEHR vs. TER - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AEHR Aehr Test Systems	96.14%	21.41%	-37.32%	31.99%	-16.87%	855.73%	26.50%	41.84%	-47.97%	12.45%
TER Teradyne, Inc.	61.36%	54.39%	16.51%	24.78%	-46.35%	36.81%	76.73%	118.93%	-24.37%	66.16%

Fundamentals

Market Cap AEHR : $1.19B TER : $49.22B
EPS AEHR : -$0.30 TER : $3.48
PS Ratio AEHR : 22.30 TER : 15.59
PB Ratio AEHR : 9.10 TER : 17.60
Total Revenue (TTM) AEHR : $53.25M TER : $3.19B
Gross Profit (TTM) AEHR : $17.72M TER : $1.86B
EBITDA (TTM) AEHR : -$9.21M TER : $779.72M

Returns By Period

In the year-to-date period, AEHR achieves a 96.14% return, which is significantly higher than TER's 61.36% return. Over the past 10 years, AEHR has outperformed TER with an annualized return of 42.34%, while TER has yielded a comparatively lower 31.29% annualized return.

AEHR

• 1D: 6.80%
• 1M: -10.06%
• YTD: 96.14%
• 6M: 19.10%
• 1Y: 404.46%
• 3Y*: 8.48%
• 5Y*: 72.80%
• 10Y*: 42.34%

TER

• 1D: 5.31%
• 1M: -4.18%
• YTD: 61.36%
• 6M: 121.49%
• 1Y: 279.32%
• 3Y*: 43.25%
• 5Y*: 19.85%
• 10Y*: 31.29%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

AEHR vs. TER — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

AEHR

AEHR Risk / Return Rank: 96
AEHR Sharpe Ratio Rank: 98
AEHR Sortino Ratio Rank: 95
AEHR Omega Ratio Rank: 91
AEHR Calmar Ratio Rank: 98
AEHR Martin Ratio Rank: 98

TER

TER Risk / Return Rank: 98
TER Sharpe Ratio Rank: 99
TER Sortino Ratio Rank: 98
TER Omega Ratio Rank: 97
TER Calmar Ratio Rank: 99
TER Martin Ratio Rank: 99

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

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.

	AEHR	TER	Difference
Sharpe ratio Return per unit of total volatility	3.65	4.51	-0.86
Sortino ratio Return per unit of downside risk	3.62	4.43	-0.82
Omega ratio Gain probability vs. loss probability	1.42	1.59	-0.17
Calmar ratio Return relative to maximum drawdown	10.47	13.73	-3.25
Martin ratio Return relative to average drawdown	24.07	41.62	-17.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AEHR vs. TER - Sharpe Ratio Comparison

The current AEHR Sharpe Ratio is 3.65, which is comparable to the TER Sharpe Ratio of 4.51. The chart below compares the historical Sharpe Ratios of AEHR and TER, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	AEHR	TER	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.65	4.51	-0.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.42	+0.26
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.72	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	0.21	-0.17

Correlation

The correlation between AEHR and TER is 0.22, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

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 0.16%.

	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.	0.16%	0.25%	0.38%	0.41%	0.50%	0.24%	0.33%	0.53%	1.15%	0.67%	0.94%	1.16%

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.

Drawdown Indicators

	AEHR	TER	Difference
Max Drawdown Largest peak-to-trough decline	-97.98%	-97.30%	-0.68%
Max Drawdown (1Y) Largest decline over 1 year	-42.31%	-20.35%	-21.96%
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 Drawdown Current decline from peak	-26.24%	-8.93%	-17.31%
Average Drawdown Average peak-to-trough decline	-80.10%	-58.93%	-21.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.41%	6.71%	+11.70%

Volatility

AEHR vs. TER - Volatility Comparison

Aehr Test Systems (AEHR) has a higher volatility of 39.65% compared to Teradyne, Inc. (TER) at 22.81%. 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.

Volatility by Period

	AEHR	TER	Difference
Volatility (1M) Calculated over the trailing 1-month period	39.65%	22.81%	+16.84%
Volatility (6M) Calculated over the trailing 6-month period	80.23%	45.86%	+34.37%
Volatility (1Y) Calculated over the trailing 1-year period	111.97%	62.43%	+49.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	107.60%	47.63%	+59.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	94.69%	43.74%	+50.95%

Financials

AEHR vs. TER - Profitability Comparison

The chart below illustrates the profitability comparison between Aehr Test Systems and Teradyne, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

AEHR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Aehr Test Systems reported a gross profit of 2.55M and revenue of 9.88M. Therefore, the gross margin over that period was 25.8%.

TER - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Teradyne, Inc. reported a gross profit of 622.85M and revenue of 1.08B. Therefore, the gross margin over that period was 57.5%.

AEHR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Aehr Test Systems reported an operating income of -4.87M and revenue of 9.88M, resulting in an operating margin of -49.2%.

TER - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Teradyne, Inc. reported an operating income of 310.18M and revenue of 1.08B, resulting in an operating margin of 28.6%.

AEHR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Aehr Test Systems reported a net income of -3.23M and revenue of 9.88M, resulting in a net margin of -32.7%.

TER - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Teradyne, Inc. reported a net income of 257.22M and revenue of 1.08B, resulting in a net margin of 23.7%.