MKSI Stock Analysis: Buy, Sell, or Hold?
MKSI - MKS Inc. Common Stock
$279.11
-2.77 (-0.98%)
▼
5d:
-10.18%
30d:
-19.17%
90d:
-10.87%
HOLD
MODERATE Confidence
Analysis Updated: Aug 21, 2026 12:00 AM ET
Earnings: Aug 05, 2026
0d
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Interactive Price Chart (1 Month)
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Bottom Line:
📊 HOLD: MKSI shows mixed signals. Fine to hold existing positions. Not urgent to buy or sell.
📊 HOLD: MKSI shows mixed signals. Fine to hold existing positions. Not urgent to buy or sell.
Long-Term Wealth Forecast (2031)
Based on Analyst Consensus Growth & Historical Valuation
0% (Stagnation)
50% (Hyper Growth)
EST. PRICE IN 2031
$736.25
Based on 14.5% avg growth
INTRINSIC VALUE TODAY
$457.16
38.9% Margin of Safety
How this is calculated: We use a Growth Decay Model: starting with analyst consensus growth (adjusted above) and gradually slowing it down to a long-term terminal rate (4%) by Year 5. This provides a more realistic valuation than assuming constant hyper-growth. We then apply a 21.6x Exit PE.
In-depth Analysis How we analyze
Valuation Analysis: MKSI is currently trading at $279.11, which is considered oversold relative to its 30-day fair value range of $290.60 to $338.87. From a valuation perspective, the stock is trading at a discount (Forward PE: 15.9) compared to its historical average (21.6). Remarkably, the market is currently pricing in an annual earnings decline of 9.6% over the next few years. This pessimistic expectation contrasts with the company's recent 162.0% earnings growth, suggesting potential undervaluation if the company simply maintains stability.
Technical Outlook: Technically, MKSI is in a uptrend. The price is currently testing key support at $274.31. A bounce from this level would confirm strength, while a break below could signal further downside.
Market Sentiment: The stock scores a mixed 50/100 on our bottoming-setup gauge, with only partial signs of a stabilized entry point. Wall Street analysts see significant upside, with an average price target of $413.62 (+48.2%). The stock is fairly positioned - fine to hold existing positions or accumulate slowly on dips, but not an urgent buy.
Technical Outlook: Technically, MKSI is in a uptrend. The price is currently testing key support at $274.31. A bounce from this level would confirm strength, while a break below could signal further downside.
Market Sentiment: The stock scores a mixed 50/100 on our bottoming-setup gauge, with only partial signs of a stabilized entry point. Wall Street analysts see significant upside, with an average price target of $413.62 (+48.2%). The stock is fairly positioned - fine to hold existing positions or accumulate slowly on dips, but not an urgent buy.
Quick Decision Summary
Current Position
OVERSOLD
Historical Trading Range
$290.60 -
$338.87
Company Quality Score
60/100
(BUY)
Volume Confirmation
HIGH
Confidence Score
79.5%
Protect Your Profits
Holding MKSI? Use our AI-powered strategies to protect your downside while keeping your long-term position.
View Profit Protection PlanAll Signals
- BULLISH: Price oversold vs 30-day range
- NEUTRAL: Mixed technical signals (50/100)
- BULLISH: High volume confirmation
- BULLISH: Trading 48.2% below Wall St target ($413.62)
- NEUTRAL: Bottoming setup forming (50/100) — watch for confirmation
- CAUTION: 5-day price weakness (-10.2%) - monitor closely
Trading Range Analysis
30-Day Trading Range
$290.60 -
$338.87
Current vs Trading Range
OVERSOLD
Support & Resistance Levels
Support Level
$274.31
Resistance Level
$325.24
Current Trend
Uptrend
Technical data as of
Aug 21, 2026
Fundamental Context
Forward P/E (Next Year Est.)
15.95
Wall Street Target
$413.62
(+48.2%)
Revenue Growth (YoY)
28.3%
Earnings Growth (YoY)
162.0%
Profit Margin
10.1%
Valuation Discount vs History
-9.6% cheaper
PE vs Historical
16.0 vs 21.6
CHEAP
Market-Implied Price Targets
If current PE multiple persists
Implied Growth (YoY):
-9.6%
(market-implied from PE analysis)
1-Year Target
$252.32
(-10%)
2-Year Target
$228.09
(-18%)
3-Year Target
$206.20
(-26%)
3-Yr Target (if PE normalizes)
(PE: 16→22)
$279.31
(+0%)
3-Year Scenarios
Using analyst projected EPS growth
Bull:
(PE: 20.1, Growth: 33.3%)
$831.49
(+198%)
Base:
(SPY PE: 15.9, Growth: 33.3%)
$660.63
(+137%)
Bear:
(PE: 13.6, Growth: 33.3%)
$561.53
(+101%)
📈
Valuation based on Current Earnings
RECOVERY PLAY: Stock looks expensive now (45x PE), but valuation improves significantly next year (16x PE) as earnings recover.
Trailing PE: 44.81 | Current EPS (TTM): $6.29
Bull Case
$620.14
(+122%)
Analyst growth 100.0%, PE expands to 49.3
Base Case
$563.76
(+102%)
Market implied 100.0%, PE stable at 44.8
Bear Case
$191.68
(-31%)
Severe decline -20.0%, PE contracts to 38.1
These are projections based on PE multiples and EPS growth scenarios, not predictions. Actual results may vary significantly.
💡
Upside Surprise Potential
If earnings stabilize (0% growth), PE could expand from 15.9 to 21.6
Stabilization Target:
$378.08
(+35.5%)
PE Expansion Potential:
+35.5%
Share & Embed Analysis
Last updated: August 22, 2026 6:36 PM ET
Data refreshes hourly during market hours. Next update: 7:36 PM
Data refreshes hourly during market hours. Next update: 7:36 PM
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Technical Signals Check
Is MKSI showing a specific setup today?
Insider Activity (6 Months)
0
Buys
4
Sells
Net
INSIDERS SELLING
Recent Transactions
Jacqueline F Moloney
SELL
340 shares
2026-03-12
Eric Robert Taranto
SELL
4568 shares
2026-03-06
Elizabeth Mora
SELL
300 shares
2026-03-02
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