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ALAB or COHR or KLAC
Which Stock Would AI Choose? Astera Labs (ALAB) vs. Coherent Corp. (COHR) vs. KLA Corporation (KLAC) Stock Comparison
Key Takeaways
- ALAB delivered record Q4 revenue of $270.6 million, up 92% YoY, driven by AI connectivity demand, but shares faced volatility with a recent pullback.
- COHR surged over 269% in the past year on AI optics momentum and partnerships like NVIDIA, though trading at a premium valuation.
- KLAC boasts the largest market cap at ~$196B, strong 110% 1-year gain, and announced a $20B buyback plus dividend hike, signaling cash flow confidence.
- All three benefit from semiconductor and AI tailwinds, but KLAC offers relative stability with lower P/E (~44x) versus ALAB (95x) and COHR (250x+).
- Recent market activity shows YTD gains: COHR +37%, KLAC +24%, ALAB -30% amid profit-taking.
Introduction
This comparison examines ALAB, COHR, and KLAC, all key players in the semiconductor ecosystem fueling AI and cloud infrastructure growth. Astera Labs focuses on connectivity solutions, Coherent Corp. on photonics and lasers, and KLA Corporation on process control equipment. Traders seeking exposure to AI-driven demand and investors eyeing relative performance in recent market activity will find value in analyzing their business models, momentum, and valuations. This stock comparison highlights contrasts in growth trajectories and risk profiles amid broader sector exposure.
ALAB Overview and Recent Performance
Astera Labs, a fabless semiconductor firm founded in 2017 and headquartered in San Jose, California, designs connectivity solutions for cloud and AI infrastructure, serving hyperscalers with products like PCIe retimers and CXL platforms. In recent quarters, the company reported record full-year revenue of $852.5 million, up 115% YoY, with Q4 at $270.6 million, up 17% QoQ and 92% YoY, reflecting robust AI demand. Recent market activity saw shares decline amid volatility and insider selling, trading around $116 with a market cap near $20B and trailing P/E of 95x. Sentiment has been influenced by strong earnings beats (Q4 EPS $0.58 vs. $0.51 expected) and roadmap expansions like Scorpio X-Series, tempered by customer concentration risks.
COHR Overview and Recent Performance
Coherent Corp., formed from the 2022 merger and rebranded from II-VI, develops engineered materials, optoelectronics, and lasers for datacenters, industrial, and communications markets, operating through Networking, Materials, and Lasers segments. Recent performance has been explosive, with shares up 269% over the past year and YTD +37%, driven by AI optics demand, CPO demonstrations at OFC, and NVIDIA partnerships. Trading near $254 with a $48B market cap and elevated trailing P/E over 250x, the stock reflects optimism around silicon carbide investments and datacom transceivers. Influences include strong Q2 EPS beats and vertical integration advantages, though high beta (1.91) adds volatility in recent weeks.
KLAC Overview and Recent Performance
KLA Corporation, a leader in process control and yield management since 1975 and based in Milpitas, California, provides inspection, metrology, and software for semiconductor manufacturing across wafer, reticle, and packaging. Recent quarters showed Q4 revenue of $3.3B, up 7% YoY, with EPS of $8.85 beating estimates, alongside a $20B share buyback expansion and 21% dividend increase to $2.30 quarterly. Shares trade around $1,500 with a $196B market cap and P/E of ~44x, up 111% over the past year and YTD +24%. Performance reflects sustained wafer fab equipment spending and AI node complexity, with stable margins (62.8% gross) offsetting trade risks.
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Head-to-Head Comparison
ALAB targets niche AI connectivity with explosive revenue growth but higher volatility and customer risks, contrasting KLAC’s diversified process control leadership and cash generation ($1.26B quarterly FCF). COHR leverages photonics for datacenter scaling, offering growth via CPO/optics amid NVIDIA ties, yet faces premium valuations versus KLAC’s steadier profile. Recent momentum favors COHR (YTD +37%) over ALAB (-30%), but KLAC leads in market cap ($196B vs. $20B/$48B) and lower P/E sensitivity. All share AI/semiconductor exposure, with trade-offs in scale (KLAC), specialization (ALAB), and optics catalysts (COHR), amid sentiment shifts from earnings and buybacks.
Tickeron AI Verdict
Tickeron’s AI currently favors KLAC due to its trend consistency, superior stability (beta 1.45), ongoing catalysts like buybacks/dividends, and balanced relative positioning with reasonable valuation amid AI wafer demand. While COHR shows high momentum and ALAB growth potential, KLAC’s scale and profitability edge suggest higher probability of outperformance in the near term.
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
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).
ALAB’s FA Score shows that 1 FA rating(s) are green whileCOHR’s FA Score has 2 green FA rating(s), and KLAC’s FA Score reflects 4 green FA rating(s).
- ALAB’s FA Score: 1 green, 4 red.
- COHR’s FA Score: 2 green, 3 red.
- KLAC’s FA Score: 4 green, 1 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.
ALAB’s TA Score shows that 5 TA indicator(s) are bullish while COHR’s TA Score has 4 bullish TA indicator(s), and KLAC’s TA Score reflects 6 bullish TA indicator(s).
- ALAB’s TA Score: 5 bullish, 5 bearish.
- COHR’s TA Score: 4 bullish, 5 bearish.
- KLAC’s TA Score: 6 bullish, 4 bearish.
Price Growth
ALAB (@Semiconductors) experienced а +16.77% price change this week, while COHR (@Electronic Equipment/Instruments) price change was +12.20% , and KLAC (@Electronic Production Equipment) price fluctuated +3.12% for the same time period.
The average weekly price growth across all stocks in the @Semiconductors industry was +10.10%. For the same industry, the average monthly price growth was +24.60%, and the average quarterly price growth was +26.97%.
The average weekly price growth across all stocks in the @Electronic Equipment/Instruments industry was +1.08%. For the same industry, the average monthly price growth was +5.55%, and the average quarterly price growth was +1.31%.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was +8.26%. For the same industry, the average monthly price growth was +29.01%, and the average quarterly price growth was +117.44%.
Reported Earning Dates
ALAB is expected to report earnings on May 05, 2026.
COHR is expected to report earnings on May 13, 2026.
KLAC is expected to report earnings on Apr 23, 2026.
Industries' Descriptions
@Semiconductors (+10.10% 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 Equipment/Instruments (+1.08% weekly)This industry manufactures electronic products used in various critical and sophisticated technologies, including laser-based systems, circuit and continuity testers, electro-optical measuring instruments and high-speed precision weighing and inspection equipment. Some major companies operating in this business are Canon Inc., Keysight Technologies Inc., and Fortive Corp.
@Electronic Production Equipment (+8.26% 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.
| ALAB | COHR | KLAC | |
| Capitalization | 29.9B | 65.2B | 237B |
| EBITDA | 180M | 1.08B | 5.91B |
| Gain YTD | 4.623 | 86.932 | 47.626 |
| P/E Ratio | 144.10 | 340.70 | 52.56 |
| Revenue | 853M | 6.29B | 12.7B |
| Total Cash | 1.19B | 864M | 5.21B |
| Total Debt | 4.15M | 3.55B | 6.11B |
COHR | KLAC | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 50 | 50 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 91 Overvalued | 82 Overvalued | |
PROFIT vs RISK RATING 1..100 | 8 | 6 | |
SMR RATING 1..100 | 87 | 13 | |
PRICE GROWTH RATING 1..100 | 34 | 3 | |
P/E GROWTH RATING 1..100 | 15 | 13 | |
SEASONALITY SCORE 1..100 | n/a | 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.
KLAC's Valuation (82) in the Electronic Production Equipment industry is in the same range as COHR (91) in the Electronic Equipment Or Instruments industry. This means that KLAC’s stock grew similarly to COHR’s over the last 12 months.
KLAC's Profit vs Risk Rating (6) in the Electronic Production Equipment industry is in the same range as COHR (8) in the Electronic Equipment Or Instruments industry. This means that KLAC’s stock grew similarly to COHR’s over the last 12 months.
KLAC's SMR Rating (13) in the Electronic Production Equipment industry is significantly better than the same rating for COHR (87) in the Electronic Equipment Or Instruments industry. This means that KLAC’s stock grew significantly faster than COHR’s over the last 12 months.
KLAC's Price Growth Rating (3) in the Electronic Production Equipment industry is in the same range as COHR (34) in the Electronic Equipment Or Instruments industry. This means that KLAC’s stock grew similarly to COHR’s over the last 12 months.
KLAC's P/E Growth Rating (13) in the Electronic Production Equipment industry is in the same range as COHR (15) in the Electronic Equipment Or Instruments industry. This means that KLAC’s stock grew similarly to COHR’s over the last 12 months.
| ALAB | COHR | KLAC | |
|---|---|---|---|
| RSI ODDS (%) | 4 days ago 67% | 4 days ago 66% | 4 days ago 55% |
| Stochastic ODDS (%) | 4 days ago 72% | 4 days ago 69% | 4 days ago 69% |
| Momentum ODDS (%) | 4 days ago 86% | 4 days ago 75% | 4 days ago 67% |
| MACD ODDS (%) | 4 days ago 74% | 4 days ago 80% | 4 days ago 79% |
| TrendWeek ODDS (%) | 4 days ago 88% | 4 days ago 82% | 4 days ago 73% |
| TrendMonth ODDS (%) | 4 days ago 90% | 4 days ago 85% | 4 days ago 76% |
| Advances ODDS (%) | 6 days ago 88% | 4 days ago 82% | 7 days ago 73% |
| Declines ODDS (%) | 22 days ago 82% | 26 days ago 78% | 5 days ago 61% |
| BollingerBands ODDS (%) | 4 days ago 73% | 4 days ago 75% | 4 days ago 73% |
| Aroon ODDS (%) | 7 days ago 74% | 4 days ago 76% | 4 days ago 78% |
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ALAB and
Correlation & Price change
A.I.dvisor indicates that over the last year, ALAB has been loosely correlated with CRDO. These tickers have moved in lockstep 59% of the time. This A.I.-generated data suggests there is some statistical probability that if ALAB jumps, then CRDO could also see price increases.
| Ticker / NAME | Correlation To ALAB | 1D Price Change % | ||
|---|---|---|---|---|
| ALAB | 100% | +1.90% | ||
| CRDO - ALAB | 59% Loosely correlated | +1.11% | ||
| VECO - ALAB | 55% Loosely correlated | +0.19% | ||
| AMBA - ALAB | 54% Loosely correlated | +1.59% | ||
| LRCX - ALAB | 53% Loosely correlated | +2.54% | ||
| KLIC - ALAB | 51% Loosely correlated | +2.79% | ||
More | ||||
COHR and
Correlation & Price change
A.I.dvisor indicates that over the last year, COHR has been loosely correlated with MKSI. These tickers have moved in lockstep 65% of the time. This A.I.-generated data suggests there is some statistical probability that if COHR jumps, then MKSI could also see price increases.
| Ticker / NAME | Correlation To COHR | 1D Price Change % | ||
|---|---|---|---|---|
| COHR | 100% | +5.19% | ||
| MKSI - COHR | 65% Loosely correlated | +3.22% | ||
| KEYS - COHR | 51% Loosely correlated | +1.33% | ||
| ESE - COHR | 45% Loosely correlated | +5.04% | ||
| ITRI - COHR | 43% Loosely correlated | +1.47% | ||
| VNT - COHR | 42% Loosely correlated | +2.28% | ||
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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% | +3.26% | ||
| LRCX - KLAC | 87% Closely correlated | +2.54% | ||
| AMAT - KLAC | 85% Closely correlated | +1.81% | ||
| ADI - KLAC | 79% Closely correlated | +4.99% | ||
| QCOM - KLAC | 77% Closely correlated | +1.29% | ||
| NVMI - KLAC | 77% Closely correlated | +2.83% | ||
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