Both COHR and MKSI sit at the intersection of advanced optics, semiconductors, and the artificial intelligence (AI) buildout, yet they serve those markets in fundamentally different ways. This stock comparison is most relevant to traders and investors evaluating how to position within the broader AI and semiconductor supply chain — whether through direct optical components or through the equipment and materials that enable chip manufacturing. By examining relative performance, business models, growth drivers, and risk factors, this article offers a balanced view of each company's market positioning in the current environment.
Coherent Corp (COHR) is a global leader in photonics, producing lasers, optical components, and transceivers used in communications, industrial, and instrumentation applications. In recent quarters, its largest and fastest-growing segment has been datacenter and communications, where demand for 800G and 1.6T optical transceivers has accelerated alongside AI infrastructure spending. The company has reported double-digit year-over-year revenue growth, record bookings, and meaningful gross-margin expansion, supported by vertical integration and in-house laser production capacity.
Sentiment around COHR has been broadly positive in recent market activity, with the stock advancing sharply over the trailing 12 months. Management has also strengthened the balance sheet, paying down debt and refinancing obligations, while divesting non-core assets to sharpen focus on higher-growth photonics markets. These actions have reinforced the company's positioning as a direct beneficiary of AI-related datacenter demand.
MKS Instruments (MKSI) provides instruments, subsystems, and process-control solutions that enable advanced semiconductor manufacturing and electronics packaging. Its revenue is spread across three end markets — Semiconductor, Electronics & Packaging, and Specialty Industrial — giving it diversification across the broader technology supply chain. Recent quarters have shown solid year-over-year revenue growth and higher earnings, supported by demand for next-generation chip manufacturing and advanced packaging tied to AI-driven semiconductor complexity.
Market sentiment for MKSI has remained constructive, with the stock posting strong gains over the trailing 12 months. However, the company carries a higher debt load following past acquisitions, and margin trends have shown modest pressure in some recent periods. This leverage and end-market diversification create a somewhat different risk-reward profile than its more concentrated photonics peer.
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The clearest contrast between the two companies lies in where they sit within the AI value chain. COHR is a direct component supplier, with optical transceivers and lasers feeding straight into datacenter networking — giving it tighter correlation to AI capital spending. MKSI is positioned further upstream, providing the equipment, vacuum systems, and materials that semiconductor fabs use to build advanced chips, making it a broader, more cyclical exposure to electronics manufacturing.
In terms of growth, COHR has demonstrated faster top-line expansion and more pronounced margin improvement in recent periods, while MKSI offers steadier but comparatively slower growth across a more diversified revenue base. On the risk side, MKSI operates with higher leverage and sensitivity to semiconductor equipment spending cycles, whereas COHR faces concentration risk in datacenter demand and supply constraints on key laser components. Market sentiment has favored both names, but the momentum and earnings-revision trends have been somewhat stronger for COHR in recent market activity.
Based on observable factors such as trend consistency, growth catalysts, balance-sheet improvement, and relative market positioning, Tickeron's AI-driven framework currently leans toward COHR. Its direct exposure to accelerating AI datacenter demand, faster revenue growth, expanding margins, and proactive deleveraging give it a comparatively stronger momentum and stability profile. MKSI remains a well-positioned beneficiary of semiconductor complexity, but its higher leverage and more cyclical end-market mix present a slightly less favorable risk-reward in the current environment. This assessment reflects a probabilistic, data-informed tilt rather than a definitive outcome, and conditions may shift as new earnings, guidance, and market data emerge.
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The 50-day moving average for COHR moved below the 200-day moving average on October 21, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
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 COHR as a result. In 61 of 84 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 73%.
The Moving Average Convergence Divergence Histogram (MACD) for COHR 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 47 similar instances when the indicator turned negative. In 35 of the 47 cases the stock turned lower in the days that followed. This puts the odds of success at 74%.
COHR 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 COHR 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 9 of 13 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 69%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where COHR 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 79%.
The Aroon Indicator for COHR entered a downward trend on November 06, 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.
The RSI Oscillator points to a transition from a downward trend to an upward trend -- in cases where COHR's RSI Oscillator exited the oversold zone, 26 of 28 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 90%.
The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 3 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 +8.17% 3-day Advance, the price is estimated to grow further. Considering data from situations where COHR advanced for three days, in 294 of 348 cases, the price rose further within the following month. The odds of a continued upward trend are 84%.
COHR may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
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 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 82, placing this stock slightly better than average.
The Tickeron Price Growth Rating for this company is 66 (best 1 - 100 worst), indicating steady price growth. COHR’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 73 (best 1 - 100 worst), indicating slightly better than average sales and a considerably 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 Valuation Rating of 77 (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 (3.463) is normal, around the industry mean (1.406). P/E Ratio (44.426) is within average values for comparable stocks, (4.909). Projected Growth (PEG Ratio) (2.330) is also within normal values, averaging (5.470). Dividend Yield (0.000) settles around the average of (0.012) among similar stocks. P/S Ratio (7.955) is also within normal values, averaging (32.028).
The Tickeron PE Growth Rating for this company is 96 (best 1 - 100 worst), pointing to worse than 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 Aroon Indicator for MKSI entered a downward trend on November 06, 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 211 similar instances where the Aroon Indicator formed such a pattern. In 165 of the 211 cases the stock moved lower. This puts the odds of a downward move at 78%.
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 MKSI as a result. In 77 of 99 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 MKSI 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 54 similar instances when the indicator turned negative. In 41 of the 54 cases the stock turned lower in the days that followed. This puts the odds of success at 76%.
MKSI moved below its 50-day moving average on October 07, 2026 date and that indicates a change from an upward trend to a downward trend.
The 50-day moving average for MKSI moved below the 200-day moving average on October 08, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where MKSI 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 76%.
The RSI Indicator points to a transition from a downward trend to an upward trend -- in cases where MKSI's RSI Oscillator exited the oversold zone, 28 of 32 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 88%.
The Stochastic Oscillator demonstrated 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.
Following a +7.89% 3-day Advance, the price is estimated to grow further. Considering data from situations where MKSI advanced for three days, in 254 of 323 cases, the price rose further within the following month. The odds of a continued upward trend are 79%.
MKSI may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
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 SMR rating for this company is 54 (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 Valuation Rating of 60 (best 1 - 100 worst) indicates that the company is fair valued 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 (4.351) is normal, around the industry mean (1.406). P/E Ratio (29.444) is within average values for comparable stocks, (4.909). Projected Growth (PEG Ratio) (0.200) is also within normal values, averaging (5.470). Dividend Yield (0.005) settles around the average of (0.012) among similar stocks. P/S Ratio (3.784) is also within normal values, averaging (32.028).
The Tickeron Price Growth Rating for this company is 65 (best 1 - 100 worst), indicating steady price growth. MKSI’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron PE Growth Rating for this company is 75 (best 1 - 100 worst), pointing to worse than 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 Profit vs. Risk Rating rating for this company is 84 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. MKSI’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 82, placing this stock worse than average.
COHR | MKSI | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 65 | 70 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 77 Overvalued | 60 Fair valued | |
PROFIT vs RISK RATING 1..100 | 63 | 84 | |
SMR RATING 1..100 | 73 | 54 | |
PRICE GROWTH RATING 1..100 | 66 | 65 | |
P/E GROWTH RATING 1..100 | 96 | 75 | |
SEASONALITY SCORE 1..100 | 50 | 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.
MKSI's Valuation (60) in the Electronic Production Equipment industry is in the same range as COHR (77) 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 (63) in the Electronic Equipment Or Instruments industry is in the same range as MKSI (84) 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 (54) in the Electronic Production Equipment industry is in the same range as COHR (73) 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 (65) in the Electronic Production Equipment industry is in the same range as COHR (66) 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 (75) in the Electronic Production Equipment industry is in the same range as COHR (96) in the Electronic Equipment Or Instruments industry. This means that MKSI’s stock grew similarly to COHR’s over the last 12 months.
| COHR | MKSI | |
|---|---|---|
| RSI ODDS (%) | 1 day ago 90% | 1 day ago 88% |
| Stochastic ODDS (%) | 1 day ago 90% | 1 day ago 71% |
| Momentum ODDS (%) | 1 day ago 73% | 1 day ago 78% |
| MACD ODDS (%) | 1 day ago 74% | 1 day ago 76% |
| TrendWeek ODDS (%) | 1 day ago 80% | 1 day ago 75% |
| TrendMonth ODDS (%) | 1 day ago 79% | 1 day ago 79% |
| Advances ODDS (%) | 11 days ago 84% | 11 days ago 79% |
| Declines ODDS (%) | 3 days ago 79% | 3 days ago 76% |
| BollingerBands ODDS (%) | 1 day ago 90% | 1 day ago 76% |
| Aroon ODDS (%) | 1 day ago 79% | 1 day ago 78% |
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).
COHR’s FA Score shows that 0 FA rating(s) are green while MKSI’s FA Score has 0 green FA rating(s).
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 (@Electronic Equipment/Instruments) experienced а -8.33% price change this week, while MKSI (@Electronic Equipment/Instruments) price change was -4.84% for the same time period.
The average weekly price growth across all stocks in the @Electronic Equipment/Instruments industry was -4.00%. For the same industry, the average monthly price growth was -15.80%, and the average quarterly price growth was -18.90%.
COHR is expected to report earnings on Feb 10, 2027.
MKSI is expected to report earnings on Jan 27, 2027.
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.
A.I.dvisor indicates that over the last year, COHR has been closely correlated with MKSI. These tickers have moved in lockstep 76% of the time. This A.I.-generated data suggests there is a high statistical probability that if COHR jumps, then MKSI could also see price increases.
| Ticker / NAME | Correlation To COHR | 1D Price Change % | ||
|---|---|---|---|---|
| COHR | 100% | +13.58% | ||
| MKSI - COHR | 76% Closely correlated | +8.74% | ||
| KEYS - COHR | 66% Closely correlated | +4.42% | ||
| VPG - COHR | 52% Loosely correlated | +7.25% | ||
| ST - COHR | 52% Loosely correlated | +2.05% | ||
| ESE - COHR | 44% Loosely correlated | +2.05% | ||
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