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COHR vs MKSI
Which Stock Would AI Choose? Coherent Corp. (COHR) vs. MKS Inc. (MKSI) Stock Comparison
Key Takeaways
- Both COHR and MKSI have delivered strong year-to-date gains exceeding 80%, fueled by semiconductor and AI infrastructure demand.
- COHR shows superior recent momentum with over 30% gains in the past month, outpacing MKSI's steady advances.
- COHR boasts a larger market cap of approximately $62B compared to MKSI's $19B, reflecting broader scale in optoelectronics.
- One-year returns favor COHR at over 370%, versus MKSI's strong but lower 289%.
- Both stocks benefit from AI datacenter and chipmaking trends, but COHR edges in photonics exposure while MKSI offers process control stability.
Introduction
Coherent Corp. (COHR) and MKS Inc. (MKSI) operate in the semiconductor ecosystem, supplying critical components for chip manufacturing and AI infrastructure. This stock comparison analyzes their recent market performance, business models, and relative positioning amid surging demand for datacenter optics and process control technologies. Traders seeking momentum in high-growth tech sectors and investors eyeing semiconductor supply chain plays will find value in understanding their contrasts in scale, growth trajectories, and sector-specific catalysts. With both delivering triple-digit one-year returns, the focus is on current trends driving outperformance.
COHR Overview and Recent Performance
Coherent Corp. (COHR) develops, manufactures, and markets engineered materials, optoelectronic components, lasers, and systems for industrial, communications, electronics, and instrumentation markets. Operating through Networking, Materials, and Lasers segments, it serves datacenters with transceivers and subsystems, alongside semiconductor equipment applications. In recent market activity, COHR has surged, posting 81.90% YTD and 373.19% one-year returns, with 32.58% monthly gains and 47.46% over three months. Trading around $336 with a $62B market cap, sentiment has been boosted by strong demand for photonics in AI datacenters and recent quarterly revenue growth of 17.50% year-over-year (yoy). Elevated trading volume and analyst upgrades reflect optimism around its positioning in high-growth optics.
MKSI Overview and Recent Performance
MKS Inc. (MKSI), formerly MKS Instruments, provides instruments, subsystems, and process control solutions for semiconductor manufacturing, electronics packaging, and industrial applications. Its Vacuum & Flow, Photonics, and Materials segments deliver pressure control, lasers, optics, motion control, and surface finishing technologies. Recent weeks have seen solid gains, with 80.18% YTD and 289.06% one-year returns, supported by semiconductor capital expenditure trends. At around $288 and $19B market cap, performance reflects 10.60% yoy quarterly revenue growth, though slightly trailing peers in monthly momentum. Positive analyst notes on momentum and upcoming earnings have sustained investor interest amid cyclical recovery in chip fabrication.
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Head-to-Head Comparison
COHR and MKSI both thrive in semiconductor-adjacent spaces but diverge in focus: COHR specializes in optoelectronics and lasers for datacenter transceivers, while MKSI emphasizes vacuum/flow control and photonics for chip fabrication. Growth drivers overlap in AI capex (capital expenditures) and semis recovery, yet COHR shows faster revenue expansion (17.50% vs. 10.60% qoq yoy) and superior momentum. Valuation contrasts include COHR's higher trailing P/E (323 vs. 67) but lower price/sales (8.96 vs. 5.02), signaling growth premiums. Risk factors involve sector cyclicality and supply chains for both, though MKSI provides stabler EPS (ttm net income $295M vs. $192M). Market sentiment leans toward COHR's AI optics catalysts over MKSI's process stability.
Tickeron AI Verdict
Tickeron’s AI models currently favor COHR due to its consistent upward trend, superior short-term momentum (32%+ monthly), and stronger alignment with AI datacenter photonics demand. Relative to MKSI, factors like elevated analyst targets and revenue acceleration suggest a higher probability of near-term outperformance, though MKSI remains a balanced option amid semis cyclicality.
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
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 COHR is a Hold and MKSI is a Buy.
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).
COHR’s FA Score shows that 1 FA rating(s) are green whileMKSI’s FA Score has 2 green FA rating(s).
- COHR’s FA Score: 1 green, 4 red.
- MKSI’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.
COHR’s TA Score shows that 4 TA indicator(s) are bullish while MKSI’s TA Score has 4 bullish TA indicator(s).
- COHR’s TA Score: 4 bullish, 4 bearish.
- MKSI’s TA Score: 4 bullish, 4 bearish.
Price Growth
COHR (@Electronic Equipment/Instruments) experienced а +2.13% price change this week, while MKSI (@Electronic Equipment/Instruments) price change was +17.91% for the same time period.
The average weekly price growth across all stocks in the @Electronic Equipment/Instruments industry was +1.14%. For the same industry, the average monthly price growth was +13.08%, and the average quarterly price growth was +23.28%.
Reported Earning Dates
COHR is expected to report earnings on Aug 13, 2026.
MKSI is expected to report earnings on Jul 29, 2026.
Industries' Descriptions
@Electronic Equipment/Instruments (+1.14% 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.
| COHR | MKSI | COHR / MKSI | |
| Capitalization | 75.3B | 24B | 314% |
| EBITDA | 1.23B | 906M | 135% |
| Gain YTD | 108.609 | 122.967 | 88% |
| P/E Ratio | 183.35 | 74.41 | 246% |
| Revenue | 6.6B | 4.07B | 162% |
| Total Cash | 2.42B | 569M | 425% |
| Total Debt | 3.43B | 4.29B | 80% |
COHR | MKSI | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 77 | 86 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 81 Overvalued | 61 Fair valued | |
PROFIT vs RISK RATING 1..100 | 5 | 33 | |
SMR RATING 1..100 | 86 | 64 | |
PRICE GROWTH RATING 1..100 | 35 | 35 | |
P/E GROWTH RATING 1..100 | 55 | 6 | |
SEASONALITY SCORE 1..100 | 50 | n/a |
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.
MKSI's Valuation (61) in the Electronic Production Equipment industry is in the same range as COHR (81) in the Electronic Equipment Or Instruments industry. This means that MKSI’s stock grew similarly to COHR’s over the last 12 months.
COHR's Profit vs Risk Rating (5) in the Electronic Equipment Or Instruments industry is in the same range as MKSI (33) in the Electronic Production Equipment industry. This means that COHR’s stock grew similarly to MKSI’s over the last 12 months.
MKSI's SMR Rating (64) in the Electronic Production Equipment industry is in the same range as COHR (86) in the Electronic Equipment Or Instruments industry. This means that MKSI’s stock grew similarly to COHR’s over the last 12 months.
MKSI's Price Growth Rating (35) in the Electronic Production Equipment industry is in the same range as COHR (35) in the Electronic Equipment Or Instruments industry. This means that MKSI’s stock grew similarly to COHR’s over the last 12 months.
MKSI's P/E Growth Rating (6) in the Electronic Production Equipment industry is somewhat better than the same rating for COHR (55) in the Electronic Equipment Or Instruments industry. This means that MKSI’s stock grew somewhat faster than COHR’s over the last 12 months.
| COHR | MKSI | |
|---|---|---|
| RSI ODDS (%) | 3 days ago 80% | 3 days ago 76% |
| Stochastic ODDS (%) | 3 days ago 74% | 3 days ago 74% |
| Momentum ODDS (%) | 3 days ago 74% | 3 days ago 75% |
| MACD ODDS (%) | 3 days ago 77% | 3 days ago 87% |
| TrendWeek ODDS (%) | 3 days ago 82% | 3 days ago 75% |
| TrendMonth ODDS (%) | 3 days ago 87% | 3 days ago 78% |
| Advances ODDS (%) | 3 days ago 83% | 3 days ago 76% |
| Declines ODDS (%) | 5 days ago 79% | 10 days ago 75% |
| BollingerBands ODDS (%) | 3 days ago 76% | 3 days ago 74% |
| Aroon ODDS (%) | 3 days ago 89% | 3 days ago 74% |
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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 61% 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% | +5.90% | ||
| MKSI - COHR | 61% Loosely correlated | +3.00% | ||
| KEYS - COHR | 50% Loosely correlated | +3.13% | ||
| ST - COHR | 42% Loosely correlated | +1.10% | ||
| BKSY - COHR | 38% Loosely correlated | -9.87% | ||
| VPG - COHR | 35% Loosely correlated | -1.54% | ||
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MKSI and
Correlation & Price change
A.I.dvisor indicates that over the last year, MKSI has been loosely correlated with COHR. These tickers have moved in lockstep 61% of the time. This A.I.-generated data suggests there is some statistical probability that if MKSI jumps, then COHR could also see price increases.
| Ticker / NAME | Correlation To MKSI | 1D Price Change % | ||
|---|---|---|---|---|
| MKSI | 100% | +3.00% | ||
| COHR - MKSI | 61% Loosely correlated | +5.90% | ||
| ST - MKSI | 57% Loosely correlated | +1.10% | ||
| KEYS - MKSI | 53% Loosely correlated | +3.13% | ||
| TDY - MKSI | 43% Loosely correlated | +0.37% | ||
| ESE - MKSI | 43% Loosely correlated | -0.69% | ||
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