WallStSmart

Pfizer Inc (PFE)vsCompanhia de Saneamento Basico do Estado de Sao Paulo SABESP ADR (SBS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Pfizer Inc generates 64% more annual revenue ($62.58B vs $38.09B). SBS leads profitability with a 22.2% profit margin vs 12.4%. SBS appears more attractively valued with a PEG of 0.47. SBS earns a higher WallStSmart Score of 77/100 (B+).

PFE

Hold

49

out of 100

Grade: D+

Growth: 2.0Profit: 6.5Value: 5.3Quality: 4.8
Piotroski: 3/9

SBS

Strong Buy

77

out of 100

Grade: B+

Growth: 9.3Profit: 8.5Value: 5.3Quality: 4.3
Piotroski: 2/9Altman Z: 1.81
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

PFEUndervalued (+28.7%)

Margin of Safety

+28.7%

Fair Value

$37.12

Current Price

$26.53

$10.59 discount

UndervaluedFair: $37.12Overvalued
SBSFair Value (-3.2%)

Margin of Safety

-3.2%

Fair Value

$28.67

Current Price

$33.29

$4.62 premium

UndervaluedFair: $28.67Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

PFE4 strengths · Avg: 8.3/10
Market CapQuality
$149.77B9/10

Large-cap with strong market position

Price/BookValuation
1.7x8/10

Reasonable price relative to book value

Operating MarginProfitability
23.9%8/10

Strong operational efficiency at 23.9%

Free Cash FlowQuality
$4.50B8/10

Generating 4.5B in free cash flow

SBS6 strengths · Avg: 9.7/10
PEG RatioValuation
0.4710/10

Growing faster than its price suggests

Operating MarginProfitability
34.6%10/10

Strong operational efficiency at 34.6%

Revenue GrowthGrowth
43.9%10/10

Revenue surging 43.9% year-over-year

EPS GrowthGrowth
87.2%10/10

Earnings expanding 87.2% YoY

Market CapQuality
$118.61B9/10

Large-cap with strong market position

Return on EquityProfitability
21.3%9/10

Every $100 of equity generates 21 in profit

Areas to Watch

PFE4 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
13.772/10

Expensive relative to growth rate

Revenue GrowthGrowth
-1.2%2/10

Revenue declined 1.2%

EPS GrowthGrowth
-21.3%2/10

Earnings declined 21.3%

SBS4 concerns · Avg: 2.8/10
Altman Z-ScoreHealth
1.814/10

Grey zone — moderate risk

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
67.2x2/10

Premium valuation, high expectations priced in

Free Cash FlowQuality
$-8.22B2/10

Negative free cash flow — burning cash

Comparative Analysis Report

WallStSmart Research

Bull Case : PFE

The strongest argument for PFE centers on Market Cap, Price/Book, Operating Margin.

Bull Case : SBS

The strongest argument for SBS centers on PEG Ratio, Operating Margin, Revenue Growth. Profitability is solid with margins at 22.2% and operating margin at 34.6%. Revenue growth of 43.9% demonstrates continued momentum.

Bear Case : PFE

The primary concerns for PFE are Piotroski F-Score, PEG Ratio, Revenue Growth.

Bear Case : SBS

The primary concerns for SBS are Altman Z-Score, Piotroski F-Score, P/E Ratio. A P/E of 67.2x leaves little room for execution misses.

Key Dynamics to Monitor

PFE profiles as a declining stock while SBS is a growth play — different risk/reward profiles.

PFE carries more volatility with a beta of 0.39 — expect wider price swings.

SBS is growing revenue faster at 43.9% — sustainability is the question.

PFE generates stronger free cash flow (4.5B), providing more financial flexibility.

Bottom Line

SBS scores higher overall (77/100 vs 49/100), backed by strong 22.2% margins and 43.9% revenue growth. PFE offers better value entry with a 28.7% margin of safety. Both earn "Strong 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.

Pfizer Inc

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Pfizer Inc. is an American multinational pharmaceutical and biotechnology corporation headquartered on 42nd Street in Manhattan, New York City. The name of the company commemorates its co-founder, Charles Pfizer (1824-1906). Pfizer develops and produces medicines and vaccines for immunology, oncology, cardiology, endocrinology, and neurology. The company has several blockbuster drugs or products that each generate more than 1 billion USD in annual revenues.

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Companhia de Saneamento Basico do Estado de Sao Paulo SABESP ADR

UTILITIES · UTILITIES - REGULATED WATER · USA

Companhia de Saneamento Basico do Estado de So Paulo - SABESP provides water and sewerage services to residential, commercial, industrial and government clients. The company is headquartered in So Paulo, Brazil.

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