AEHR
Price
$98.45
Change
-$18.13 (-15.55%)
Updated
Jun 5 closing price
Capitalization
3.1B
44 days until earnings call
Intraday BUY SELL Signals
POWI
Price
$77.02
Change
-$8.28 (-9.71%)
Updated
Jun 5 closing price
Capitalization
4.29B
53 days until earnings call
Intraday BUY SELL Signals
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AEHR vs POWI

Header iconAEHR vs POWI Comparison
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Which Stock Would AI Choose? Aehr Test Systems (AEHR) vs. Power Integrations (POWI) Stock Comparison

Key Takeaways

  • AEHR has delivered explosive gains, with year-to-date returns exceeding 346% amid strong demand for semiconductor testing equipment.
  • POWI shows steadier performance, up about 30% over the past year, supported by its established position in power semiconductors.
  • Recent contract wins for AEHR, including a $41 million AI data center order, have driven sharp rallies in recent weeks.
  • Both stocks operate in the semiconductor sector but differ in focus: AEHR on testing solutions for advanced chips like SiC (silicon carbide) and GaN (gallium nitride), while POWI specializes in power conversion ICs (integrated circuits).
  • AEHR's smaller market cap implies higher growth potential but greater volatility compared to POWI's $3.4 billion valuation.
  • Market sentiment favors AEHR for momentum traders, while POWI appeals to those seeking stability.

Introduction

In the fast-evolving semiconductor industry, AEHR and POWI represent distinct opportunities for investors and traders. Aehr Test Systems focuses on wafer-level testing for next-generation chips critical to AI, electric vehicles, and power electronics, while Power Integrations delivers efficient power management solutions. This comparison analyzes their recent market performance, business drivers, and relative positioning amid surging chip demand. Traders eyeing high-momentum plays or stable growth in semis (semiconductors) will find insights into volatility, catalysts, and sector trends shaping their trajectories.

AEHR Overview and Recent Performance

Aehr Test Systems (AEHR) designs and manufactures advanced test systems for semiconductor wafers, specializing in burn-in and testing for SiC and GaN devices used in AI data centers, EVs, and 5G infrastructure. In recent market activity, AEHR stock has surged dramatically, with shares climbing over 120% in the past month and posting year-to-date gains above 346%. This momentum stems from robust demand for its equipment, highlighted by a major $41 million production order from a leading cloud computing provider for AI data center applications, sparking a 13% single-session rally. Despite a recent quarterly loss, results beat lowered expectations, bolstering sentiment amid broader chip testing needs. Trading near $84, the stock reflects heightened investor optimism but elevated volatility tied to cyclical semi demand.

POWI Overview and Recent Performance

Power Integrations (POWI) develops high-efficiency power conversion semiconductors, including ICs for chargers, adapters, and renewable energy systems. The company's shares have shown solid but more measured gains, rising about 24% over the recent month and 30% annually, with prices around $58-$62. Recent weeks have seen upward momentum, including multi-percent weekly advances, driven by steady demand in consumer electronics and industrial applications. With trailing twelve-month revenue of $443 million and a $3.4 billion market cap, POWI maintains profitability, though insider sales and sector volatility have tempered enthusiasm. Sentiment remains positive on its efficiency-focused portfolio, positioning it resiliently in power management trends.

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Head-to-Head Comparison

AEHR and POWI both thrive in semiconductors but diverge in models: AEHR's equipment-centric approach ties it to fab expansions and advanced node testing, while POWI's fabless IC design emphasizes end-market power efficiency. Growth drivers contrast sharply—AEHR rides SiC/GaN/AI catalysts with hyper-growth potential versus POWI's mature, dividend-paying stability. Recent momentum favors AEHR's triple-digit surges over POWI's steady climbs, but AEHR carries higher beta risk amid order lumpiness. Sector exposure overlaps in power semis yet POWI diversifies into consumer goods. Sentiment leans bullish on AEHR for traders, balanced for POWI investors.

Tickeron AI Verdict

Tickeron’s AI models currently lean toward AEHR due to superior trend consistency, explosive relative momentum, and fresh catalysts like AI-related orders positioning it ahead in the semiconductor upcycle. While POWI offers stability and broader exposure, AEHR's velocity suggests higher probability of near-term outperformance for momentum strategies, though with amplified risks.

Disclaimer

The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer. Disclaimers and Limitations

VS
AEHR vs. POWI commentary
Jun 08, 2026

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is AEHR is a Hold and POWI is a Hold.

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COMPARISON
Comparison
Jun 08, 2026
Stock price -- (AEHR: $98.45 vs. POWI: $77.02)
Brand notoriety: AEHR and POWI are both not notable
AEHR represents the Electronic Production Equipment, while POWI is part of the Semiconductors industry
Current volume relative to the 65-day Moving Average: AEHR: 68% vs. POWI: 117%
Market capitalization -- AEHR: $3.1B vs. POWI: $4.29B
AEHR [@Electronic Production Equipment] is valued at $3.1B. POWI’s [@Semiconductors] market capitalization is $4.29B. The market cap for tickers in the [@Electronic Production Equipment] industry ranges from $654.41B to $0. The market cap for tickers in the [@Semiconductors] industry ranges from $4.97T to $0. The average market capitalization across the [@Electronic Production Equipment] industry is $63.03B. The average market capitalization across the [@Semiconductors] industry is $187.23B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

AEHR’s FA Score shows that 1 FA rating(s) are green whilePOWI’s FA Score has 1 green FA rating(s).

  • AEHR’s FA Score: 1 green, 4 red.
  • POWI’s FA Score: 1 green, 4 red.
According to our system of comparison, both AEHR and POWI are a bad buy in the long-term.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

AEHR’s TA Score shows that 4 TA indicator(s) are bullish while POWI’s TA Score has 3 bullish TA indicator(s).

  • AEHR’s TA Score: 4 bullish, 3 bearish.
  • POWI’s TA Score: 3 bullish, 5 bearish.
According to our system of comparison, AEHR is a better buy in the short-term than POWI.

Price Growth

AEHR (@Electronic Production Equipment) experienced а +6.63% price change this week, while POWI (@Semiconductors) price change was -8.31% for the same time period.

The average weekly price growth across all stocks in the @Electronic Production Equipment industry was -5.00%. For the same industry, the average monthly price growth was -6.66%, and the average quarterly price growth was +104.91%.

The average weekly price growth across all stocks in the @Semiconductors industry was -7.85%. For the same industry, the average monthly price growth was +10.34%, and the average quarterly price growth was +77.02%.

Reported Earning Dates

AEHR is expected to report earnings on Jul 21, 2026.

POWI is expected to report earnings on Jul 30, 2026.

Industries' Descriptions

@Electronic Production Equipment (-5.00% weekly)

The electronic production equipment industry makes equipment used to produce semiconductors. Such equipment includes wafer fabrication, plasma etching and photo-resist processing equipment. The industry also makes chemical vapor deposition processing systems and photomasks, which are high-purity quartz plates that contain patterns to define integrated circuits layouts. Applied Materials, Inc., Lam Research Corporation, and KLA-Tencor Corporation are examples of electronic production equipment manufacturing companies.

@Semiconductors (-7.85% weekly)

The semiconductor industry manufacturers all chip-related products, including research and development. These chips are used in innumerable electronic devices, including computers, cell phones, smartphones, and GPSs. Intel Corporation, NVIDIA Corp., and Broadcomm are some of the prominent players in this industry. Semiconductor companies usually tend to do well during periods of healthy economic growth, thereby inducing further research and development in the industry – which in turn augurs well for productivity and growth in the economy. In the near future, demand for semiconductor products (and possibly innovation within the segment) should only expand further, with the proliferation of 5G, autonomous vehicles, IoT, and various AI-driven electronics set to herald a new, advanced chapter in the technology-driven world as we know it. With burgeoning prospects comes great competition. In 2015, SIA estimated that U.S. semiconductor industry ranks as the second most competitive U.S. industry out of 2882 U.S. industries designated manufacturers by the U.S. Census Bureau.

SUMMARIES
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FUNDAMENTALS
Fundamentals
POWI($4.29B) has a higher market cap than AEHR($3.1B). POWI has higher P/E ratio than AEHR: POWI (256.73) vs AEHR (19.45). AEHR YTD gains are higher at: 387.618 vs. POWI (118.218). POWI has higher annual earnings (EBITDA): 38.3M vs. AEHR (-11.6M). POWI has less debt than AEHR: POWI (41K) vs AEHR (10M). POWI has higher revenues than AEHR: POWI (446M) vs AEHR (45.3M).
AEHRPOWIAEHR / POWI
Capitalization3.1B4.29B72%
EBITDA-11.6M38.3M-30%
Gain YTD387.618118.218328%
P/E Ratio19.45256.738%
Revenue45.3M446M10%
Total Cash36.9MN/A-
Total Debt10M41K24,390%
FUNDAMENTALS RATINGS
AEHR vs POWI: Fundamental Ratings
AEHR
POWI
OUTLOOK RATING
1..100
8845
VALUATION
overvalued / fair valued / undervalued
1..100
86
Overvalued
83
Overvalued
PROFIT vs RISK RATING
1..100
2195
SMR RATING
1..100
9590
PRICE GROWTH RATING
1..100
3437
P/E GROWTH RATING
1..100
735
SEASONALITY SCORE
1..100
7550

Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.

POWI's Valuation (83) in the Semiconductors industry is in the same range as AEHR (86) in the Electronic Production Equipment industry. This means that POWI’s stock grew similarly to AEHR’s over the last 12 months.

AEHR's Profit vs Risk Rating (21) in the Electronic Production Equipment industry is significantly better than the same rating for POWI (95) in the Semiconductors industry. This means that AEHR’s stock grew significantly faster than POWI’s over the last 12 months.

POWI's SMR Rating (90) in the Semiconductors industry is in the same range as AEHR (95) in the Electronic Production Equipment industry. This means that POWI’s stock grew similarly to AEHR’s over the last 12 months.

AEHR's Price Growth Rating (34) in the Electronic Production Equipment industry is in the same range as POWI (37) in the Semiconductors industry. This means that AEHR’s stock grew similarly to POWI’s over the last 12 months.

POWI's P/E Growth Rating (5) in the Semiconductors industry is significantly better than the same rating for AEHR (73) in the Electronic Production Equipment industry. This means that POWI’s stock grew significantly faster than AEHR’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
AEHRPOWI
RSI
ODDS (%)
N/A
Bearish Trend 3 days ago
80%
Stochastic
ODDS (%)
Bearish Trend 3 days ago
82%
Bearish Trend 3 days ago
75%
Momentum
ODDS (%)
Bullish Trend 3 days ago
89%
Bullish Trend 3 days ago
68%
MACD
ODDS (%)
Bullish Trend 3 days ago
83%
Bearish Trend 3 days ago
83%
TrendWeek
ODDS (%)
Bullish Trend 3 days ago
87%
Bearish Trend 3 days ago
76%
TrendMonth
ODDS (%)
Bullish Trend 3 days ago
87%
Bullish Trend 3 days ago
67%
Advances
ODDS (%)
Bullish Trend 4 days ago
90%
Bullish Trend 4 days ago
69%
Declines
ODDS (%)
Bearish Trend 10 days ago
83%
Bearish Trend 7 days ago
73%
BollingerBands
ODDS (%)
Bearish Trend 3 days ago
80%
Bearish Trend 3 days ago
70%
Aroon
ODDS (%)
Bullish Trend 3 days ago
90%
Bullish Trend 3 days ago
71%
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AEHR
Daily Signal:
Gain/Loss:
POWI
Daily Signal:
Gain/Loss:
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AEHR and

Correlation & Price change

A.I.dvisor indicates that over the last year, AEHR has been loosely correlated with ONTO. These tickers have moved in lockstep 59% of the time. This A.I.-generated data suggests there is some statistical probability that if AEHR jumps, then ONTO could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To AEHR
1D Price
Change %
AEHR100%
-15.55%
ONTO - AEHR
59%
Loosely correlated
-7.83%
UCTT - AEHR
59%
Loosely correlated
-12.40%
AMAT - AEHR
57%
Loosely correlated
-9.71%
COHU - AEHR
57%
Loosely correlated
-10.86%
LRCX - AEHR
56%
Loosely correlated
-9.85%
More

POWI and

Correlation & Price change

A.I.dvisor indicates that over the last year, POWI has been closely correlated with KLIC. These tickers have moved in lockstep 82% of the time. This A.I.-generated data suggests there is a high statistical probability that if POWI jumps, then KLIC could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To POWI
1D Price
Change %
POWI100%
-9.71%
KLIC - POWI
82%
Closely correlated
-8.71%
VECO - POWI
72%
Closely correlated
-8.18%
ACLS - POWI
72%
Closely correlated
-9.09%
ENTG - POWI
71%
Closely correlated
-10.34%
COHU - POWI
70%
Closely correlated
-10.86%
More