TER vs. AEHR

Last updated Apr 1, 2026

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

Performance

TER vs. AEHR - Performance Comparison

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

TER vs. AEHR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TER Teradyne, Inc.	53.23%	54.39%	16.51%	24.78%	-46.35%	36.81%	76.73%	118.93%	-24.37%	66.16%
AEHR Aehr Test Systems	83.66%	21.41%	-37.32%	31.99%	-16.87%	855.73%	26.50%	41.84%	-47.97%	12.45%

Fundamentals

Market Cap TER : $46.74B AEHR : $1.11B
EPS TER : $3.48 AEHR : -$0.30
PS Ratio TER : 14.80 AEHR : 20.88
PB Ratio TER : 16.72 AEHR : 8.52
Total Revenue (TTM) TER : $3.19B AEHR : $53.25M
Gross Profit (TTM) TER : $1.86B AEHR : $17.72M
EBITDA (TTM) TER : $779.72M AEHR : -$9.21M

Returns By Period

In the year-to-date period, TER achieves a 53.23% return, which is significantly lower than AEHR's 83.66% return. Over the past 10 years, TER has underperformed AEHR with an annualized return of 30.61%, while AEHR has yielded a comparatively higher 41.41% annualized return.

TER

• 1D: 7.28%
• 1M: -7.36%
• YTD: 53.23%
• 6M: 115.64%
• 1Y: 260.24%
• 3Y*: 40.80%
• 5Y*: 18.61%
• 10Y*: 30.61%

AEHR

• 1D: 23.13%
• 1M: -0.94%
• YTD: 83.66%
• 6M: 23.15%
• 1Y: 408.64%
• 3Y*: 6.13%
• 5Y*: 70.55%
• 10Y*: 41.41%

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

Return for Risk

TER vs. AEHR — Risk / Return Rank

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

TER

TER Risk / Return Rank: 98
TER Sharpe Ratio Rank: 99
TER Sortino Ratio Rank: 98
TER Omega Ratio Rank: 96
TER Calmar Ratio Rank: 99
TER Martin Ratio Rank: 99

AEHR

AEHR Risk / Return Rank: 96
AEHR Sharpe Ratio Rank: 98
AEHR Sortino Ratio Rank: 96
AEHR Omega Ratio Rank: 92
AEHR Calmar Ratio Rank: 98
AEHR Martin Ratio Rank: 97

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.

TER vs. AEHR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Teradyne, Inc. (TER) 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.

	TER	AEHR	Difference
Sharpe ratio Return per unit of total volatility	4.21	3.68	+0.53
Sortino ratio Return per unit of downside risk	4.28	3.63	+0.65
Omega ratio Gain probability vs. loss probability	1.57	1.42	+0.15
Calmar ratio Return relative to maximum drawdown	12.75	8.76	+3.99
Martin ratio Return relative to average drawdown	38.79	20.14	+18.66
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TER vs. AEHR - Sharpe Ratio Comparison

The current TER Sharpe Ratio is 4.21, which is comparable to the AEHR Sharpe Ratio of 3.68. The chart below compares the historical Sharpe Ratios of TER and AEHR, 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

	TER	AEHR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.21	3.68	+0.53
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.39	0.66	-0.27
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.70	0.44	+0.26
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	0.04	+0.17

Correlation

The correlation between TER and AEHR 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

TER vs. AEHR - Dividend Comparison

TER's dividend yield for the trailing twelve months is around 0.17%, while AEHR has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TER Teradyne, Inc.	0.17%	0.25%	0.38%	0.41%	0.50%	0.24%	0.33%	0.53%	1.15%	0.67%	0.94%	1.16%
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%

Drawdowns

TER vs. AEHR - Drawdown Comparison

The maximum TER drawdown since its inception was -97.30%, roughly equal to the maximum AEHR drawdown of -97.98%. Use the drawdown chart below to compare losses from any high point for TER and AEHR.

Drawdown Indicators

	TER	AEHR	Difference
Max Drawdown Largest peak-to-trough decline	-97.30%	-97.98%	+0.68%
Max Drawdown (1Y) Largest decline over 1 year	-20.35%	-42.31%	+21.96%
Max Drawdown (5Y) Largest decline over 5 years	-59.12%	-87.37%	+28.25%
Max Drawdown (10Y) Largest decline over 10 years	-59.12%	-87.37%	+28.25%
Current Drawdown Current decline from peak	-13.52%	-30.94%	+17.42%
Average Drawdown Average peak-to-trough decline	-58.93%	-80.11%	+21.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.69%	18.40%	-11.71%

Volatility

TER vs. AEHR - Volatility Comparison

The current volatility for Teradyne, Inc. (TER) is 23.19%, while Aehr Test Systems (AEHR) has a volatility of 39.31%. This indicates that TER 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.

Volatility by Period

	TER	AEHR	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.19%	39.31%	-16.12%
Volatility (6M) Calculated over the trailing 6-month period	45.67%	79.98%	-34.31%
Volatility (1Y) Calculated over the trailing 1-year period	62.25%	112.12%	-49.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	47.65%	107.56%	-59.91%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	43.72%	94.68%	-50.96%

Financials

TER vs. AEHR - Profitability Comparison

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

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 - 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 - 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 - 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 - 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%.

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%.