Advertisement
AEHR vs ONTO
Which Stock Would AI Choose? Aehr Test Systems (AEHR) vs. Onto Innovation (ONTO) Stock Comparison
Key Takeaways
- AEHR is a smaller, higher-growth semiconductor test and burn-in specialist that has surged sharply in recent months on AI-related demand, trading at a premium valuation.
- ONTO is a larger, profitable process-control leader with a record backlog and stronger, more diversified revenue base.
- Both stocks benefit from AI, advanced packaging, and high-bandwidth memory (HBM) trends, but they occupy different positions in the semiconductor equipment value chain.
- AEHR is a turnaround story pivoting toward AI processors and silicon photonics; ONTO is a more established compounder with demonstrated profitability and cash generation.
- Relative performance and market positioning differ materially, with AEHR showing greater volatility and ONTO offering comparatively more earnings stability.
Introduction
Investors tracking the artificial intelligence-driven semiconductor equipment cycle frequently weigh specialist test providers against diversified process-control companies. This stock comparison examines AEHR (Aehr Test Systems) and ONTO (Onto Innovation), two names with overlapping exposure to AI processors, advanced packaging, and HBM but very different business models and risk profiles. Growth-oriented traders may focus on AEHR's rapid momentum and premium valuation, while investors seeking profitability and scale may find ONTO's established footprint more compelling. Understanding the contrast in relative performance, market positioning, and catalysts helps clarify how each stock might fit a diversified semiconductor portfolio.
AEHR Overview and Recent Performance
Aehr Test Systems, headquartered in Fremont, California, supplies test and burn-in systems used to screen and stabilize semiconductor devices at the wafer level, in singulated die, and at the package level. In recent weeks, AEHR has been among the sector's strongest performers, with its shares climbing dramatically as investors repriced its growth story. The company reported record fiscal fourth-quarter bookings and a roughly $100 million effective backlog, while guiding to a significant step-up in fiscal 2027 revenue. Sentiment has been driven by a shift in its revenue mix toward AI processors, silicon photonics, and power semiconductors, moving away from the electric-vehicle silicon carbide demand that previously dominated. The company also holds a strengthened cash position following an equity offering. This momentum, however, has left the stock trading at a steep forward-sales multiple relative to its own history and to industry peers.
ONTO Overview and Recent Performance
Onto Innovation, based in Wilmington, Massachusetts, provides process-control systems spanning metrology, inspection, and lithography used across the semiconductor value chain, including advanced packaging and leading-edge chip manufacturing. ONTO has also posted strong recent market activity, supported by record quarterly revenue, a gross margin that expanded to roughly 57%, and a backlog exceeding $1.1 billion. Demand has been led by advanced-node metrology and inspection platforms such as the Dragonfly and Atlas families, with particular strength in 2.5D logic packaging and HBM. The company raised its second-half growth outlook and holds nearly $1.9 billion in cash and short-term investments. As with AEHR, elevated valuation multiples and customer concentration remain key considerations, but ONTO's scale, profitability, and diversified revenue base differentiate its risk profile.
Trending AI Robots
For traders seeking a systematic approach to these and other tickers, Tickeron's Trending AI Robots page offers a curated view of AI trading bots tailored to current market conditions. Tickeron hosts hundreds of AI trading bots that collectively trade thousands of different tickers, each with its own trading style, strategy, timeframe, performance statistics, and target set of securities. Because not every bot suits every market environment, only the most relevant and best-performing strategies are featured in this trending section. Browsing the page can help investors identify data-driven approaches for navigating momentum-driven names like AEHR and ONTO without relying on guesswork. Explore the Trending AI Robots to see which automated strategies are currently leading.
Head-to-Head Comparison
The two companies serve different functions within the semiconductor supply chain. AEHR focuses on reliability screening through test and burn-in, a role that becomes more critical as AI processors and silicon photonics ramp into production. ONTO focuses on process control — measuring, inspecting, and analyzing wafers and packages to improve yield — giving it broad exposure to advanced nodes, memory, and packaging. In terms of scale, ONTO generates far higher revenue and is solidly profitable, while AEHR is transitioning from a period of losses toward a projected rebound. Growth drivers differ in intensity: AEHR's forward guidance implies a very large year-over-year revenue increase from a small base, whereas ONTO's growth, though strong, is more moderate in percentage terms. Risk profiles also diverge — AEHR carries higher volatility and a richer valuation multiple, while ONTO's principal sensitivities include customer concentration and memory-cycle timing. Market sentiment toward both remains positive, but for different reasons.
Tickeron AI Verdict
Based on observable factors, Tickeron's AI would likely tilt toward ONTO on a relative basis. Its consistent trend, demonstrated profitability, record backlog, and expanding margins suggest a more stable and lower-risk trajectory than AEHR's higher-volatility, higher-multiple turnaround. That said, AEHR offers potentially greater upside if its AI and silicon-photonics bookings translate into sustained revenue growth. The AI-driven assessment leans on trend consistency and stability rather than raw momentum, which favors ONTO while acknowledging that AEHR's catalysts could narrow the gap under favorable execution.
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.
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 ONTO is a Hold.
AEHR sees MACD Histogram just turned negative
AEHR saw its Moving Average Convergence Divergence Histogram (MACD) turn negative on October 07, 2026. This is a bearish signal that suggests the stock could decline going forward. Tickeron's A.I.dvisor looked at 37 instances where the indicator turned negative. In 34 of the 37 cases the stock moved lower in the days that followed. This puts the odds of a downward move at 90%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 06, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on AEHR as a result. In 73 of 85 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 86%.
AEHR moved below its 50-day moving average on October 06, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for AEHR crossed bearishly below the 50-day moving average on October 09, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 14 of 17 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 82%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where AEHR declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 83%.
Bullish Trend Analysis
The RSI Indicator demonstrates that the ticker has stayed in the oversold zone for 2 days, which means it's wise to expect a price bounce in the near future.
The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 7 days. The price of this ticker is presumed to bounce back soon, since the longer the ticker stays in the oversold zone, the more promptly an upward trend is expected.
Following a +7.62% 3-day Advance, the price is estimated to grow further. Considering data from situations where AEHR advanced for three days, in 245 of 274 cases, the price rose further within the following month. The odds of a continued upward trend are 89%.
AEHR may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
The Aroon Indicator entered an Uptrend today. In 206 of 226 cases where AEHR Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 90%.
Fundamental Analysis (Ratings)
The Tickeron Price Growth Rating for this company is 46 (best 1 - 100 worst), indicating steady price growth. AEHR’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 63 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 72, placing this stock slightly better than average.
The Tickeron PE Growth Rating for this company is 66 (best 1 - 100 worst), pointing to average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Valuation Rating of 69 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (14.663) is normal, around the industry mean (8.078). P/E Ratio (19.449) is within average values for comparable stocks, (161.623). Projected Growth (PEG Ratio) (0.927) is also within normal values, averaging (0.801). Dividend Yield (0.000) settles around the average of (0.002) among similar stocks. P/S Ratio (51.813) is also within normal values, averaging (27.897).
The Tickeron SMR rating for this company is 92 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
ONTO in -8.58% downward trend, sliding for three consecutive days on October 16, 2026
Moving lower for three straight days is viewed as a bearish sign. Keep an eye on this stock for future declines. Considering data from situations where ONTO declined for three days, in 223 of 296 cases, the price declined further within the following month. The odds of a continued downward trend are 75%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 12, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on ONTO as a result. In 69 of 97 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 71%.
The Moving Average Convergence Divergence Histogram (MACD) for ONTO turned negative on October 12, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 43 similar instances when the indicator turned negative. In 29 of the 43 cases the stock turned lower in the days that followed. This puts the odds of success at 67%.
ONTO moved below its 50-day moving average on October 12, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for ONTO crossed bearishly below the 50-day moving average on October 16, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 14 of 19 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 74%.
Bullish Trend Analysis
The RSI Indicator demonstrates that the ticker has stayed in the oversold zone for 2 days, which means it's wise to expect a price bounce in the near future.
The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 4 days. The price of this ticker is presumed to bounce back soon, since the longer the ticker stays in the oversold zone, the more promptly an upward trend is expected.
Following a +6.48% 3-day Advance, the price is estimated to grow further. Considering data from situations where ONTO advanced for three days, in 267 of 327 cases, the price rose further within the following month. The odds of a continued upward trend are 82%.
ONTO may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
The Aroon Indicator entered an Uptrend today. In 175 of 227 cases where ONTO Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 77%.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 4 (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 49 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 72, placing this stock slightly better than average.
The Tickeron Seasonality Score of 50 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron Price Growth Rating for this company is 55 (best 1 - 100 worst), indicating fairly steady price growth. ONTO’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Valuation Rating of 76 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (7.369) is normal, around the industry mean (8.078). P/E Ratio (108.142) is within average values for comparable stocks, (161.623). Projected Growth (PEG Ratio) (0.817) is also within normal values, averaging (0.801). Dividend Yield (0.000) settles around the average of (0.002) among similar stocks. P/S Ratio (10.787) is also within normal values, averaging (27.897).
The Tickeron SMR rating for this company is 80 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
AEHR | ONTO | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 69 | 78 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 69 Overvalued | 76 Overvalued | |
PROFIT vs RISK RATING 1..100 | 63 | 49 | |
SMR RATING 1..100 | 92 | 80 | |
PRICE GROWTH RATING 1..100 | 46 | 55 | |
P/E GROWTH RATING 1..100 | 66 | 4 | |
SEASONALITY SCORE 1..100 | 85 | 50 |
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.
AEHR's Valuation (69) in the Electronic Production Equipment industry is in the same range as ONTO (76) in the null industry. This means that AEHR’s stock grew similarly to ONTO’s over the last 12 months.
ONTO's Profit vs Risk Rating (49) in the null industry is in the same range as AEHR (63) in the Electronic Production Equipment industry. This means that ONTO’s stock grew similarly to AEHR’s over the last 12 months.
ONTO's SMR Rating (80) in the null industry is in the same range as AEHR (92) in the Electronic Production Equipment industry. This means that ONTO’s stock grew similarly to AEHR’s over the last 12 months.
AEHR's Price Growth Rating (46) in the Electronic Production Equipment industry is in the same range as ONTO (55) in the null industry. This means that AEHR’s stock grew similarly to ONTO’s over the last 12 months.
ONTO's P/E Growth Rating (4) in the null industry is somewhat better than the same rating for AEHR (66) in the Electronic Production Equipment industry. This means that ONTO’s stock grew somewhat faster than AEHR’s over the last 12 months.
| AEHR | ONTO | |
|---|---|---|
| RSI ODDS (%) | 1 day ago 84% | 1 day ago 90% |
| Stochastic ODDS (%) | 1 day ago 86% | 1 day ago 84% |
| Momentum ODDS (%) | 1 day ago 86% | 1 day ago 71% |
| MACD ODDS (%) | 1 day ago 90% | 1 day ago 67% |
| TrendWeek ODDS (%) | 1 day ago 83% | 1 day ago 73% |
| TrendMonth ODDS (%) | 1 day ago 83% | 1 day ago 72% |
| Advances ODDS (%) | 16 days ago 89% | 16 days ago 82% |
| Declines ODDS (%) | 1 day ago 83% | 1 day ago 75% |
| BollingerBands ODDS (%) | 1 day ago 84% | 1 day ago 90% |
| Aroon ODDS (%) | 1 day ago 90% | 1 day ago 77% |
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 overvalued. 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 0 FA rating(s) are green while ONTO’s FA Score has 1 green FA rating(s).
- AEHR’s FA Score: 0 green, 5 red.
- ONTO’s FA Score: 1 green, 4 red.
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 5 TA indicator(s) are bullish while ONTO’s TA Score has 5 bullish TA indicator(s).
- AEHR’s TA Score: 5 bullish, 5 bearish.
- ONTO’s TA Score: 5 bullish, 5 bearish.
Price Growth
AEHR (@Electronic Production Equipment) experienced а -28.40% price change this week, while ONTO (@Electronic Production Equipment) price change was -25.07% for the same time period.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was -18.80%. For the same industry, the average monthly price growth was -9.62%, and the average quarterly price growth was -21.46%.
Reported Earning Dates
AEHR is expected to report earnings on Nov 02, 2026.
ONTO is expected to report earnings on Oct 29, 2026.
Industries' Descriptions
@Electronic Production Equipment (-18.80% 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.
Advertisement
| 1 Day | |||
|---|---|---|---|
| ETFs / NAME | Price $ | Chg $ | Chg % |
| WEEI | 25.98 | 0.38 | +1.49% |
| Westwood Salient Enhanced Energy Income ETF (WEEI) | |||
| AGOX | 32.99 | 0.16 | +0.49% |
| Adaptive Alpha Opportunities ETF (AGOX) | |||
| KPRO | 26.51 | N/A | N/A |
| KraneShares 100% KWEB Defined Outcome January 2027 ETF (KPRO) | |||
| SPGM | 85.82 | -0.78 | -0.90% |
| State Street SPDR Portfolio MSCI Global Stock Market ETF (SPGM) | |||
| DFTT | 28.87 | -0.80 | -2.68% |
| DF Tactical 30 ETF (DFTT) | |||
AEHR and
Correlation & Price change
A.I.dvisor indicates that over the last year, AEHR has been closely correlated with ONTO. These tickers have moved in lockstep 69% of the time. This A.I.-generated data suggests there is a high statistical probability that if AEHR jumps, then ONTO could also see price increases.
| Ticker / NAME | Correlation To AEHR | 1D Price Change % | ||
|---|---|---|---|---|
| AEHR | 100% | -12.44% | ||
| ONTO - AEHR | 69% Closely correlated | -4.85% | ||
| TER - AEHR | 68% Closely correlated | -5.31% | ||
| NVMI - AEHR | 67% Closely correlated | -2.50% | ||
| LRCX - AEHR | 67% Closely correlated | -4.87% | ||
| CAMT - AEHR | 66% Closely correlated | -1.45% | ||
More | ||||
ONTO and
Correlation & Price change
A.I.dvisor indicates that over the last year, ONTO has been closely correlated with AMAT. These tickers have moved in lockstep 84% of the time. This A.I.-generated data suggests there is a high statistical probability that if ONTO jumps, then AMAT could also see price increases.
| Ticker / NAME | Correlation To ONTO | 1D Price Change % | ||
|---|---|---|---|---|
| ONTO | 100% | -4.85% | ||
| AMAT - ONTO | 84% Closely correlated | -4.82% | ||
| LRCX - ONTO | 83% Closely correlated | -4.87% | ||
| KLAC - ONTO | 81% Closely correlated | -5.00% | ||
| NVMI - ONTO | 81% Closely correlated | -2.50% | ||
| ENTG - ONTO | 80% Closely correlated | -5.54% | ||
More | ||||