MKSI · NASDAQ · STOCK
MKS Instruments (MKSI) Stock Analysis
$264.43
52W $67.87 – $447.62
58/100
$17.87B
40.4
2.02
⚠
Buy rating, but near-term risk/reward is unfavorable
The long-term recommendation is based on the composite investment score. The near-term risk/reward is based on nearby support and resistance levels. These can differ when a strong company trades close to resistance with support further below.
Is MKSI Bullish or Bearish?
Bullish.
Innellis AI committee rates MKS Instruments (MKSI) Buy with a composite score of 58/100
, based on 6 analysts with 67% agreement.
Last updated October 10, 2026.
What Would Change This View
- Upgrade to Strong Buy
- Requires a committee score of 75.0 — +17.36 from today. Applies on the first day at or above the line; upgrades are never dampened.
- Downgrade to Watch
- Requires the score to fall below 55.0 — -2.64 from today. The band boundary is 60.0, but a one-step downgrade must clear a further margin first. A score oscillating around the line should not change the rating every night.
Executive Summary
The committee is genuinely divided. Growth Analyst sees a compelling case — eps growing 58.6% yoy. Portfolio Manager remains cautious — sector concentration is already high (hhi 2796.97). This disagreement is itself the signal — the setup is not clean in either direction.
Bull & Bear Case
Bull Case
- ROE of 15.8% shows genuine earnings power backing the valuation — Value
- EPS growing 58.6% YoY — Growth
- Quarter-over-quarter growth rate is ACCELERATING, not just positive — Growth
- MACD histogram positive -- bullish momentum — Technical
- Weekly trend (sideways) confirms the daily trend -- multi-timeframe agreement — Technical
- News sentiment is positive (+0.15 across 13 articles, 14d) — News
Bear Case
- P/E of 40.3 is expensive by classic value standards — Value
- Debt-to-equity of 1.55 adds balance-sheet risk to the value case — Value
- High leverage (debt-to-equity 1.55) amplifies downside in a stress scenario — Risk
- Bollinger bandwidth of 22.2% signals elevated volatility — Risk
Both cases are generated from quantitative data signals, not qualitative or
forward-looking judgement. They summarise what the numbers say today.
Price History (6M)
AI Investment Committee
Committee Consensus
As of October 10, 2026
Overall Committee Score
58/100
Agreement
67%
Analysts
6
Conviction
Contested
Sector Rank
Top 55%
of 287 Technology peers
Value Analyst
neutral
46
/ 100 · High confidence
Fair value -- neither a bargain nor obviously overpriced
+ ROE of 15.8% shows genuine earnings power backing the valuation
− P/E of 40.3 is expensive by classic value standards
Growth Analyst
bullish
78
/ 100 · High confidence
Strong, accelerating growth with consistent execution
+ EPS growing 58.6% YoY
Technical Analyst
bullish
61
/ 100 · High confidence
Price action is constructive -- trend and momentum agree
+ MACD histogram positive -- bullish momentum
Risk Analyst
bearish
32
/ 100 · Moderate confidence
Elevated risk from leverage, volatility, event exposure, or portfolio concentration -- size accordingly
− High leverage (debt-to-equity 1.55) amplifies downside in a stress scenario
Macro Analyst
bullish
65
/ 100 · Low confidence
Macro backdrop is supportive of risk assets generally, and this name's beta works in its favor
News Analyst
bullish
63
/ 100 · Low confidence
News flow and recent filings/analyst actions are net positive
+ News sentiment is positive (+0.15 across 13 articles, 14d)
Portfolio Manager
bearish
30
/ 100 · Moderate confidence
The existing book itself argues for caution here, independent of how good this specific stock looks
− Sector concentration is already high (HHI 2796.97)
Investment Thesis Evolution
Committee score moved marginally from 57.6 to 57.6.
- New bearish signals: 1 appeared.
- Bearish pressure eased: 1 signal(s) disappeared.
Analyst-level changes:
- Value Analyst: +1 bearish signal(s).
Comparing 2026-10-09 to 2026-10-10 (1 day apart).
Technical Analysis
RSI (14)
46.7
Neutral
MACD Histogram
1.855
Bullish Momentum
Trend Direction
Sideways
Weekly: Sideways
Market Structure
Mixed
Support
$257.26
Resistance
$269.77
Bollinger %B
0.58
Inside Bands
Price vs Moving Averages
EMA 9
$268.31
Below
EMA 21
$266.37
Below
EMA 50
$276.36
Below
EMA 200
$264.02
Above
Fundamental Analysis
Valuation
44
Growth
86
Profitability
50
Financial Health
42
Cash Flow
70
Valuation
P/E Ratio
40.4×
P/B Ratio
5.98×
PEG Ratio
0.62
Dividend Yield
0.37%
52W High
$447.62
52W Low
$67.87
Quality & Growth
ROE
1085.0%
ROA
335.4%
Gross Margin
4412.2%
Operating Margin
1649.4%
Revenue Growth YoY
—
Debt / Equity
1.40
AI Fundamental Assessment
P/E ratio of 40.4 (rich relative to a 15-40x range); Price-to-book of 6.0x; PEG ratio of 0.6 (under 1.0 suggests growth is undervalued relative to price); Return on equity of 10.8%; Return on assets of 3.4%; Net margin of 10.1%; Gross margin of 44.1%; Current ratio of 1.14 (tight short-term liquidity); Debt-to-equity of 1.40; Free cash flow per share is positive (6.72); Most recent quarter beat estimates by 9.2%; 2 consecutive earnings beats; EPS growth accelerating (-6.9% -> +43.5% QoQ); Average YoY EPS growth of 86.4%; Analyst estimates rising over recent quarters
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