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ARM vs KLAC
Which Stock Would AI Choose? Arm Holdings (ARM) vs. KLA Corporation (KLAC) Stock Comparison
Key Takeaways
- ARM licenses energy-efficient chip designs and earns royalties, while KLAC sells process-control equipment used to manufacture semiconductors — two very different links in the chip supply chain.
- ARM has faced renewed selling pressure from high-profile analyst downgrades and concerns about its majority owner's leverage, despite strong revenue growth.
- KLAC has ridden a powerful momentum wave, supported by multiple analyst upgrades tied to artificial intelligence (AI) capital spending and advanced chip packaging.
- ARM trades at a steep valuation multiple relative to earnings, while KLAC commands a more moderate — though still elevated — valuation.
- Sentiment has recently favored KLAC's trend consistency and catalysts over ARM's headline-driven volatility.
Introduction
Investors weighing semiconductor exposure often find themselves choosing between very different business models, and the comparison between ARM and KLAC is a clear example. Arm Holdings designs the processor architecture that powers billions of devices, while KLA Corporation builds the machines that inspect and measure chips during manufacturing. Although both stand to benefit from the broader AI buildout, they respond to different drivers, risks, and valuation pressures. This stock comparison examines their relative performance, market positioning, and recent catalysts to help traders and investors understand how these two names currently stack up in a dynamic semiconductor market.
ARM Overview and Recent Performance
Arm Holdings is a semiconductor and software design company headquartered in the United Kingdom. Rather than manufacturing chips itself, ARM licenses its energy-efficient processor architecture and related intellectual property (IP) to chipmakers, while also collecting royalties on every chip its partners ship. This asset-light model has positioned Arm at the center of smartphones, cloud computing, and increasingly AI-focused server designs.
In recent weeks, however, the stock has come under pressure. A widely followed sell-side firm downgraded ARM to a "Sell" rating and lowered its price target, arguing the company has limited direct leverage to the early stages of the AI investment cycle. Another major bank maintained its Buy rating but reduced its target substantially. Sentiment was further strained by reports that SoftBank — ARM's majority shareholder, which owns an estimated 87% of the company — took out a multibillion-dollar margin loan against its stake. Investors often view such leverage as a potential source of future selling pressure.
Fundamentally, the picture remains strong: recent revenue grew by a double-digit percentage year over year, with record royalty revenue reflecting broader adoption of Arm's newer architecture in data centers and AI designs. The tension for investors is between solid top-line growth and a valuation that still prices in ambitious expectations.
KLAC Overview and Recent Performance
KLA Corporation is one of the world's largest suppliers of semiconductor process-control equipment, holding a leading share in the inspection and metrology systems used to detect defects and verify measurements during wafer fabrication. Its customers include the largest global chipmakers, such as TSMC and Samsung, and it has smaller exposure to etch and deposition tools.
Recent market activity has been notably favorable for KLAC. Several prominent analysts upgraded the stock in recent weeks, with one firm naming it a top pick for the coming year and citing AI-driven demand across leading-edge manufacturing, memory, and advanced packaging. Others raised price targets, reflecting optimism around the company's exposure to advanced packaging technologies, including high-bandwidth memory (HBM) and 2.5D/3D chip architectures. KLAC also announced an increase to its quarterly dividend.
The stock's momentum has been strong, building on a substantial year-to-date advance. Revenue and net income have grown year over year, supported by the secular expansion of AI computing infrastructure. Even so, the shares carry a valuation that leaves relatively little room for disappointment if capital spending or China-related demand were to soften.
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Head-to-Head Comparison
The clearest contrast between these two companies is their place in the semiconductor value chain. ARM generates revenue primarily through licensing and royalties, giving it high-margin, recurring income that scales with the number of chips shipped by its partners. KLAC, by contrast, sells capital equipment directly to fabricators, making it more sensitive to near-term capital expenditure (capex) cycles and customer spending plans.
Growth drivers also differ. ARM's opportunity hinges on the expanding adoption of its architecture in data centers and AI systems, while KLAC benefits from rising demand for process control as chip complexity increases and advanced packaging ramps. In terms of risk, ARM faces unique concerns tied to its concentrated ownership and elevated multiple, whereas KLAC carries exposure to customer concentration and geographic concentration, particularly in China and Taiwan.
On momentum, the two have diverged recently. ARM's relative performance has been weighed down by downgrades and ownership-related headlines, while KLAC has enjoyed a run of analyst upgrades and favorable AI-linked catalysts. This divergence in sentiment is a defining feature of their current market positioning.
Tickeron AI Verdict
Based on observable factors, Tickeron's AI would likely favor KLAC in the current environment. The stock demonstrates stronger trend consistency, a clearer and more immediate catalyst set tied to AI capital spending and advanced packaging, and a steadier stream of positive analyst revisions. By contrast, ARM is contending with downgrades, ownership-related overhangs, and a higher valuation that leaves less tolerance for setbacks. That said, this assessment reflects probabilistic, relative positioning rather than a definitive outcome — both companies retain meaningful long-term exposure to secular semiconductor growth.
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 ARM is a Hold and KLAC is a Hold.
ARM's Indicator enters downward trend
The Aroon Indicator for ARM entered a downward trend on October 21, 2026. Tickeron's A.I.dvisor identified a pattern where the AroonDown red line was above 70 while the AroonUp green line was below 30 for three straight days. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options. A.I.dvisor looked at 108 similar instances where the Aroon Indicator formed such a pattern. In 94 of the 108 cases the stock moved lower. This puts the odds of a downward move at 87%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 05, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on ARM as a result. In 38 of 49 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 78%.
The Moving Average Convergence Divergence Histogram (MACD) for ARM turned negative on October 07, 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 27 similar instances when the indicator turned negative. In 20 of the 27 cases the stock turned lower in the days that followed. This puts the odds of success at 74%.
ARM moved below its 50-day moving average on October 09, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for ARM 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 5 of 8 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 62%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where ARM 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 80%.
Bullish Trend Analysis
The RSI Oscillator points to a transition from a downward trend to an upward trend -- in cases where ARM's RSI Indicator exited the oversold zone, 15 of 19 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 79%.
The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 9 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 +6.16% 3-day Advance, the price is estimated to grow further. Considering data from situations where ARM advanced for three days, in 174 of 202 cases, the price rose further within the following month. The odds of a continued upward trend are 86%.
ARM may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 52 (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 SMR rating for this company is 60 (best 1 - 100 worst), indicating strong sales and a profitable 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.
The Tickeron Price Growth Rating for this company is 61 (best 1 - 100 worst), indicating fairly steady price growth. ARM’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 95 (best 1 - 100 worst) indicates that the company is significantly 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: ARM's P/B Ratio (28.041) is very high in comparison to the industry average of (6.538). ARM has a moderately high P/E Ratio (231.214) as compared to the industry average of (23.955). Projected Growth (PEG Ratio) (2.327) is also within normal values, averaging (3.761). Dividend Yield (0.000) settles around the average of (0.011) among similar stocks. P/S Ratio (50.761) is also within normal values, averaging (45.794).
The Tickeron Profit vs. Risk Rating rating for this company is 100 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. ARM’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 76, placing this stock worse than average.
KLAC in downward trend: 10-day moving average broke below 50-day moving average on October 19, 2026
The 10-day moving average for KLAC crossed bearishly below the 50-day moving average on October 19, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 12 of 16 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 75%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 13, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on KLAC as a result. In 69 of 100 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 69%.
The Moving Average Convergence Divergence Histogram (MACD) for KLAC turned negative on October 13, 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 48 similar instances when the indicator turned negative. In 32 of the 48 cases the stock turned lower in the days that followed. This puts the odds of success at 67%.
KLAC moved below its 50-day moving average on October 13, 2026 date and that indicates a change from an upward trend to a downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where KLAC 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 59%.
The Aroon Indicator for KLAC entered a downward trend on September 24, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Bullish Trend Analysis
The RSI Indicator 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 Uptrend is expected.
The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 6 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 +6.14% 3-day Advance, the price is estimated to grow further. Considering data from situations where KLAC advanced for three days, in 265 of 342 cases, the price rose further within the following month. The odds of a continued upward trend are 77%.
KLAC may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Fundamental Analysis (Ratings)
The Tickeron SMR rating for this company is 15 (best 1 - 100 worst), indicating very strong sales and a profitable 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.
The Tickeron PE Growth Rating for this company is 23 (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 46 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 71, placing this stock slightly better than average.
The Tickeron Price Growth Rating for this company is 59 (best 1 - 100 worst), indicating fairly steady price growth. KLAC’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Seasonality Score of 85 (best 1 - 100 worst) indicates that the company is significantly overvalued 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 Valuation Rating of 90 (best 1 - 100 worst) indicates that the company is significantly 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: KLAC's P/B Ratio (33.588) is very high in comparison to the industry average of (7.021). P/E Ratio (44.410) is within average values for comparable stocks, (95.827). KLAC's Projected Growth (PEG Ratio) (1.809) is slightly higher than the industry average of (0.801). Dividend Yield (0.006) settles around the average of (0.008) among similar stocks. P/S Ratio (16.260) is also within normal values, averaging (27.897).
KLAC | ||
|---|---|---|
OUTLOOK RATING 1..100 | 73 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 90 Overvalued | |
PROFIT vs RISK RATING 1..100 | 46 | |
SMR RATING 1..100 | 15 | |
PRICE GROWTH RATING 1..100 | 59 | |
P/E GROWTH RATING 1..100 | 23 | |
SEASONALITY SCORE 1..100 | 85 |
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.
| ARM | KLAC | |
|---|---|---|
| RSI ODDS (%) | 2 days ago 79% | 2 days ago 90% |
| Stochastic ODDS (%) | 2 days ago 89% | 2 days ago 88% |
| Momentum ODDS (%) | 2 days ago 78% | 2 days ago 69% |
| MACD ODDS (%) | 2 days ago 74% | 2 days ago 67% |
| TrendWeek ODDS (%) | 2 days ago 77% | 2 days ago 63% |
| TrendMonth ODDS (%) | 2 days ago 82% | 2 days ago 70% |
| Advances ODDS (%) | 21 days ago 86% | 21 days ago 77% |
| Declines ODDS (%) | 11 days ago 80% | 7 days ago 59% |
| BollingerBands ODDS (%) | 2 days ago 82% | 2 days ago 90% |
| Aroon ODDS (%) | 2 days ago 87% | 2 days ago 58% |
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).
ARM’s FA Score shows that 0 FA rating(s) are green while KLAC’s FA Score has 2 green FA rating(s).
- ARM’s FA Score: 0 green, 5 red.
- KLAC’s FA Score: 2 green, 3 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.
ARM’s TA Score shows that 4 TA indicator(s) are bullish while KLAC’s TA Score has 4 bullish TA indicator(s).
- ARM’s TA Score: 4 bullish, 6 bearish.
- KLAC’s TA Score: 4 bullish, 6 bearish.
Price Growth
ARM (@Semiconductors) experienced а -4.80% price change this week, while KLAC (@Electronic Production Equipment) price change was -8.60% for the same time period.
The average weekly price growth across all stocks in the @Semiconductors industry was -7.99%. For the same industry, the average monthly price growth was -19.69%, and the average quarterly price growth was -11.97%.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was -10.80%. For the same industry, the average monthly price growth was -23.41%, and the average quarterly price growth was -33.31%.
Reported Earning Dates
ARM is expected to report earnings on Nov 04, 2026.
KLAC is expected to report earnings on Oct 28, 2026.
Industries' Descriptions
@Semiconductors (-7.99% 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.
@Electronic Production Equipment (-10.80% 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.
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ARM and
Correlation & Price change
A.I.dvisor indicates that over the last year, ARM has been closely correlated with LRCX. These tickers have moved in lockstep 74% of the time. This A.I.-generated data suggests there is a high statistical probability that if ARM jumps, then LRCX could also see price increases.
| Ticker / NAME | Correlation To ARM | 1D Price Change % | ||
|---|---|---|---|---|
| ARM | 100% | +2.50% | ||
| LRCX - ARM | 74% Closely correlated | -1.00% | ||
| KLAC - ARM | 74% Closely correlated | +1.04% | ||
| AMAT - ARM | 73% Closely correlated | +0.98% | ||
| FORM - ARM | 73% Closely correlated | +4.16% | ||
| VECO - ARM | 66% Closely correlated | +4.69% | ||
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KLAC and
Correlation & Price change
A.I.dvisor indicates that over the last year, KLAC has been closely correlated with LRCX. These tickers have moved in lockstep 87% of the time. This A.I.-generated data suggests there is a high statistical probability that if KLAC jumps, then LRCX could also see price increases.
| Ticker / NAME | Correlation To KLAC | 1D Price Change % | ||
|---|---|---|---|---|
| KLAC | 100% | +1.04% | ||
| LRCX - KLAC | 87% Closely correlated | -1.00% | ||
| AMAT - KLAC | 87% Closely correlated | +0.98% | ||
| NVMI - KLAC | 84% Closely correlated | +3.50% | ||
| ONTO - KLAC | 82% Closely correlated | +1.15% | ||
| ASML - KLAC | 81% Closely correlated | +2.81% | ||
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