WallStSmart

ESCO Technologies Inc (ESE)vsMKS Instruments Inc (MKSI)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

MKS Instruments Inc generates 236% more annual revenue ($3.93B vs $1.17B). ESE leads profitability with a 26.0% profit margin vs 7.5%. MKSI appears more attractively valued with a PEG of 1.32. MKSI earns a higher WallStSmart Score of 55/100 (C-).

ESE

Hold

48

out of 100

Grade: D+

Growth: 4.7Profit: 7.0Value: 4.7Quality: 6.5
Piotroski: 2/9Altman Z: 2.64

MKSI

Buy

55

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

ESESignificantly Overvalued (-763.9%)

Margin of Safety

-763.9%

Fair Value

$32.78

Current Price

$288.77

$255.99 premium

UndervaluedFair: $32.78Overvalued
MKSISignificantly Overvalued (-64.0%)

Margin of Safety

-64.0%

Fair Value

$158.01

Current Price

$243.68

$85.67 premium

UndervaluedFair: $158.01Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ESE2 strengths · Avg: 9.0/10
Profit MarginProfitability
26.0%9/10

Keeps 26 of every $100 in revenue as profit

Debt/EquityHealth
0.129/10

Conservative balance sheet, low leverage

MKSI0 strengths · Avg: 0/10

No standout strengths identified

Areas to Watch

ESE4 concerns · Avg: 2.8/10
PEG RatioValuation
1.674/10

Expensive relative to growth rate

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
57.4x2/10

Premium valuation, high expectations priced in

EPS GrowthGrowth
-10.0%2/10

Earnings declined 10.0%

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
55.9x2/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.202/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : ESE

The strongest argument for ESE centers on Profit Margin, Debt/Equity. Profitability is solid with margins at 26.0% and operating margin at 8.8%.

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 : ESE

The primary concerns for ESE are PEG Ratio, Piotroski F-Score, P/E Ratio. A P/E of 57.4x leaves little room for execution misses.

Bear Case : MKSI

The primary concerns for MKSI are Profit Margin, Debt/Equity, P/E Ratio. A P/E of 55.9x leaves little room for execution misses. Debt-to-equity of 1.76 is elevated, increasing financial risk.

Key Dynamics to Monitor

ESE profiles as a mature 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.

MKSI is growing revenue faster at 10.6% — sustainability is the question.

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

Bottom Line

MKSI scores higher overall (55/100 vs 48/100) and 10.6% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

ESCO Technologies Inc

TECHNOLOGY · SCIENTIFIC & TECHNICAL INSTRUMENTS · USA

ESCO Technologies Inc. produces and supplies products and systems designed for the industrial and commercial markets worldwide. The company is headquartered in St. Louis, Missouri.

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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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