WallStSmart

Coherent Inc (COHR)vsMKS Instruments Inc (MKSI)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Coherent Inc generates 60% more annual revenue ($6.29B vs $3.93B). MKSI leads profitability with a 7.5% profit margin vs 4.7%. COHR appears more attractively valued with a PEG of 0.92. MKSI earns a higher WallStSmart Score of 57/100 (C).

COHR

Buy

55

out of 100

Grade: C-

Growth: 7.3Profit: 4.5Value: 4.7Quality: 6.3
Piotroski: 5/9Altman Z: 1.53

MKSI

Buy

57

out of 100

Grade: C

Growth: 6.0Profit: 5.5Value: 4.7Quality: 7.0
Piotroski: 5/9Altman Z: 1.20
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

COHRSignificantly Overvalued (-373.2%)

Margin of Safety

-373.2%

Fair Value

$47.27

Current Price

$253.63

$206.36 premium

UndervaluedFair: $47.27Overvalued
MKSISignificantly Overvalued (-70.2%)

Margin of Safety

-70.2%

Fair Value

$152.21

Current Price

$227.13

$74.92 premium

UndervaluedFair: $152.21Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

COHR3 strengths · Avg: 8.7/10
EPS GrowthGrowth
73.0%10/10

Earnings expanding 73.0% YoY

PEG RatioValuation
0.928/10

Growing faster than its price suggests

Revenue GrowthGrowth
17.5%8/10

17.5% revenue growth

MKSI0 strengths · Avg: 0/10

No standout strengths identified

Areas to Watch

COHR4 concerns · Avg: 3.0/10
Altman Z-ScoreHealth
1.534/10

Distress zone — elevated risk

Return on EquityProfitability
3.2%3/10

ROE of 3.2% — below average capital efficiency

Profit MarginProfitability
4.7%3/10

4.7% margin — thin

P/E RatioValuation
251.1x2/10

Premium valuation, high expectations priced in

MKSI4 concerns · Avg: 2.5/10
Profit MarginProfitability
7.5%3/10

7.5% margin — thin

Debt/EquityHealth
1.763/10

Elevated debt levels

P/E RatioValuation
54.1x2/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.202/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : COHR

The strongest argument for COHR centers on EPS Growth, PEG Ratio, Revenue Growth. Revenue growth of 17.5% demonstrates continued momentum. PEG of 0.92 suggests the stock is reasonably priced for its growth.

Bull Case : MKSI

Revenue growth of 10.6% demonstrates continued momentum. PEG of 1.32 suggests the stock is reasonably priced for its growth.

Bear Case : COHR

The primary concerns for COHR are Altman Z-Score, Return on Equity, Profit Margin. A P/E of 251.1x leaves little room for execution misses. Thin 4.7% margins leave little buffer for downturns.

Bear Case : MKSI

The primary concerns for MKSI are Profit Margin, Debt/Equity, P/E Ratio. A P/E of 54.1x leaves little room for execution misses. Debt-to-equity of 1.76 is elevated, increasing financial risk.

Key Dynamics to Monitor

COHR profiles as a growth stock while MKSI is a value play — different risk/reward profiles.

MKSI carries more volatility with a beta of 1.92 — expect wider price swings.

COHR is growing revenue faster at 17.5% — sustainability is the question.

MKSI generates stronger free cash flow (91M), providing more financial flexibility.

Bottom Line

MKSI scores higher overall (57/100 vs 55/100) and 10.6% revenue growth. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Coherent Inc

TECHNOLOGY · SCIENTIFIC & TECHNICAL INSTRUMENTS · USA

Coherent, Inc. provides lasers, laser-based technologies, and laser-based system solutions for a variety of scientific, commercial, and industrial research applications. The company is headquartered in Santa Clara, California.

MKS Instruments Inc

TECHNOLOGY · SCIENTIFIC & TECHNICAL INSTRUMENTS · USA

MKS Instruments, Inc. provides instruments, systems, subsystems, and process control solutions that measure, monitor, deliver, analyze, power, and control critical parameters of manufacturing processes globally. The company is headquartered in Andover, Massachusetts.

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