TRT vs. AEHR

Last updated Jun 4, 2026

TRT (Trio-Tech International) and AEHR (Aehr Test Systems) are both stocks. Both operate in the Semiconductor Equipment & Materials industry within the Technology sector. Over the past 10 years, TRT returned 19.81%/yr vs 60.03%/yr for AEHR. At a 0.10 correlation, their price movements are largely independent.

Performance

TRT vs. AEHR - Performance Comparison

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

Returns By Period

In the year-to-date period, TRT achieves a 80.21% return, which is significantly lower than AEHR's 467.56% return. Over the past 10 years, TRT has underperformed AEHR with an annualized return of 19.81%, while AEHR has yielded a comparatively higher 60.03% annualized return.

TRT

• 1D: -4.02%
• 1M: 2.23%
• YTD: 80.21%
• 6M: 183.04%
• 1Y: 391.96%
• 3Y*: 70.43%
• 5Y*: 31.36%
• 10Y*: 19.81%

AEHR

• 1D: 1.41%
• 1M: 33.85%
• YTD: 467.56%
• 6M: 362.80%
• 1Y: 1,019.04%
• 3Y*: 40.45%
• 5Y*: 111.15%
• 10Y*: 60.03%

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

TRT vs. AEHR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TRT Trio-Tech International	80.21%	127.88%	14.60%	12.66%	-66.49%	239.01%	-0.71%	62.20%	-64.91%	111.35%
AEHR Aehr Test Systems	467.56%	21.41%	-37.32%	31.99%	-16.87%	855.73%	26.50%	41.84%	-47.97%	12.45%

Correlation

The correlation between TRT and AEHR is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (5Y) Calculated over the trailing 5-year period	0.19
Correlation (10Y) Calculated over the trailing 10-year period	0.16
Correlation (All Time) Calculated using the full available price history since Aug 18, 1997	0.10

The correlation between TRT and AEHR shifts across timeframes, from 0.10 (all time) to 0.28 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap TRT : $116.29M AEHR : $3.52B
EPS TRT : $0.07 AEHR : -$0.38
PS Ratio TRT : 2.56 AEHR : 76.53
PB Ratio TRT : 3.39 AEHR : 25.34
Total Revenue (TTM) TRT : $41.83M AEHR : $45.26M
Gross Profit (TTM) TRT : $10.27M AEHR : $13.90M
EBITDA (TTM) TRT : $2.03M AEHR : -$13.56M

Return for Risk

TRT vs. AEHR — Risk / Return Rank

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

TRT

TRT Risk / Return Rank: 95
TRT Sharpe Ratio Rank: 95
TRT Sortino Ratio Rank: 94
TRT Omega Ratio Rank: 93
TRT Calmar Ratio Rank: 97
TRT Martin Ratio Rank: 97

AEHR

AEHR Risk / Return Rank: 98
AEHR Sharpe Ratio Rank: 100
AEHR Sortino Ratio Rank: 97
AEHR Omega Ratio Rank: 94
AEHR Calmar Ratio Rank: 99
AEHR 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.

TRT vs. AEHR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Trio-Tech International (TRT) 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.

	TRT	AEHR	Difference
Sharpe ratio Return per unit of total volatility	3.20	8.73	-5.53
Sortino ratio Return per unit of downside risk	3.87	4.86	-0.98
Omega ratio Gain probability vs. loss probability	1.52	1.57	-0.05
Calmar ratio Return relative to maximum drawdown	9.76	24.34	-14.58
Martin ratio Return relative to average drawdown	24.50	55.12	-30.62
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TRT vs. AEHR - Sharpe Ratio Comparison

The current TRT Sharpe Ratio is 3.20, which is lower than the AEHR Sharpe Ratio of 8.73. The chart below compares the historical Sharpe Ratios of TRT and AEHR, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TRT	AEHR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.20	8.73	-5.53
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.40	1.02	-0.63
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.29	0.63	-0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	0.08	+0.03

Drawdowns

TRT vs. AEHR - Drawdown Comparison

The maximum TRT drawdown since its inception was -95.03%, roughly equal to the maximum AEHR drawdown of -97.98%. Use the drawdown chart below to compare losses from any high point for TRT and AEHR.

Drawdown Indicators

	TRT	AEHR	Difference
Max Drawdown Largest peak-to-trough decline	-95.03%	-97.98%	+2.95%
Max Drawdown (1Y) Largest decline over 1 year	-40.50%	-42.31%	+1.81%
Max Drawdown (3Y) Largest decline over 3 years	-41.95%	-87.37%	+45.42%
Max Drawdown (5Y) Largest decline over 5 years	-69.77%	-87.37%	+17.60%
Max Drawdown (10Y) Largest decline over 10 years	-70.64%	-87.37%	+16.73%
Current Drawdown Current decline from peak	-40.50%	0.00%	-40.50%
Average Drawdown Average peak-to-trough decline	-68.06%	-79.66%	+11.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.09%	18.65%	-2.56%

Volatility

TRT vs. AEHR - Volatility Comparison

Trio-Tech International (TRT) has a higher volatility of 66.25% compared to Aehr Test Systems (AEHR) at 38.83%. This indicates that TRT's price experiences larger fluctuations and is considered to be riskier than AEHR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRT	AEHR	Difference
Volatility (1M) Calculated over the trailing 1-month period	66.25%	38.83%	+27.42%
Volatility (6M) Calculated over the trailing 6-month period	105.38%	86.27%	+19.11%
Volatility (1Y) Calculated over the trailing 1-year period	123.59%	118.12%	+5.47%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	79.86%	109.54%	-29.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	67.66%	94.96%	-27.30%

Dividends

TRT vs. AEHR - Dividend Comparison

Neither TRT nor AEHR has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both TRT and AEHR in my portfolio?

TRT and AEHR have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRT or AEHR?

TRT has higher volatility (66.25%) compared to AEHR (38.83%). In terms of maximum drawdown, TRT dropped -95.03% vs AEHR's -97.98%.

Which has better risk-adjusted returns?

AEHR currently has the higher Sharpe Ratio (8.73 vs 3.20), 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.