WallStSmart

Castle Biosciences Inc (CSTL)vsWaters Corporation (WAT)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Waters Corporation generates 1009% more annual revenue ($3.77B vs $339.92M). WAT leads profitability with a 11.9% profit margin vs -3.8%. WAT earns a higher WallStSmart Score of 50/100 (C-).

CSTL

Avoid

31

out of 100

Grade: F

Growth: 4.7Profit: 2.0Value: 6.7Quality: 8.5
Piotroski: 3/9Altman Z: 3.11

WAT

Buy

50

out of 100

Grade: C-

Growth: 5.3Profit: 5.0Value: 3.3Quality: 7.0
Piotroski: 2/9Altman Z: 4.85
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

CSTLUndervalued (+58.2%)

Margin of Safety

+58.2%

Fair Value

$77.42

Current Price

$21.38

$56.04 discount

UndervaluedFair: $77.42Overvalued
WATSignificantly Overvalued (-84.0%)

Margin of Safety

-84.0%

Fair Value

$178.93

Current Price

$365.36

$186.43 premium

UndervaluedFair: $178.93Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

CSTL3 strengths · Avg: 10.0/10
Price/BookValuation
1.4x10/10

Reasonable price relative to book value

Debt/EquityHealth
0.0810/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
3.1110/10

Safe zone — low bankruptcy risk

WAT2 strengths · Avg: 10.0/10
Revenue GrowthGrowth
91.4%10/10

Revenue surging 91.4% year-over-year

Altman Z-ScoreHealth
4.8510/10

Safe zone — low bankruptcy risk

Areas to Watch

CSTL4 concerns · Avg: 2.5/10
Market CapQuality
$627.83M3/10

Smaller company, higher risk/reward

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Return on EquityProfitability
-2.8%2/10

ROE of -2.8% — below average capital efficiency

Revenue GrowthGrowth
-4.9%2/10

Revenue declined 4.9%

WAT4 concerns · Avg: 3.5/10
PEG RatioValuation
1.604/10

Expensive relative to growth rate

Price/BookValuation
8.5x4/10

Trading at 8.5x book value

Return on EquityProfitability
2.9%3/10

ROE of 2.9% — below average capital efficiency

Operating MarginProfitability
2.8%3/10

Operating margin of 2.8%

Comparative Analysis Report

WallStSmart Research

Bull Case : CSTL

The strongest argument for CSTL centers on Price/Book, Debt/Equity, Altman Z-Score.

Bull Case : WAT

The strongest argument for WAT centers on Revenue Growth, Altman Z-Score. Revenue growth of 91.4% demonstrates continued momentum.

Bear Case : CSTL

The primary concerns for CSTL are Market Cap, Piotroski F-Score, Return on Equity.

Bear Case : WAT

The primary concerns for WAT are PEG Ratio, Price/Book, Return on Equity. A P/E of 45.2x leaves little room for execution misses.

Key Dynamics to Monitor

CSTL profiles as a turnaround stock while WAT is a growth play — different risk/reward profiles.

WAT carries more volatility with a beta of 1.20 — expect wider price swings.

WAT is growing revenue faster at 91.4% — sustainability is the question.

CSTL generates stronger free cash flow (-35M), providing more financial flexibility.

Bottom Line

WAT scores higher overall (50/100 vs 31/100) and 91.4% revenue growth. CSTL offers better value entry with a 58.2% margin of safety. Both earn "Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Castle Biosciences Inc

HEALTHCARE · DIAGNOSTICS & RESEARCH · USA

Castle Biosciences Inc. is a leading diagnostics company dedicated to improving patient care through cutting-edge gene-expression profiling tests, specifically in the realm of skin cancer, with its flagship product, DecisionDx®-Melanoma. This innovative solution provides crucial insights into patient risk stratification, thus facilitating informed treatment decisions in melanoma management. With a steadfast commitment to precision medicine and a robust research and development framework, Castle Biosciences is strategically positioned to expand its portfolio and address pivotal clinical needs. By focusing on the complexities of oncology, the company aims to enhance clinical outcomes while driving significant value for shareholders.

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Waters Corporation

HEALTHCARE · DIAGNOSTICS & RESEARCH · USA

Waters Corporation is a publicly traded Analytical Laboratory instrument and software company headquartered in Milford, Massachusetts.

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