WallStSmart

American Tower Corp (AMT)vsGlobal Self Storage Inc (SELF)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

American Tower Corp generates 83497% more annual revenue ($10.64B vs $12.73M). AMT leads profitability with a 23.8% profit margin vs 14.1%. AMT trades at a lower P/E of 31.0x. AMT earns a higher WallStSmart Score of 62/100 (C+).

AMT

Buy

62

out of 100

Grade: C+

Growth: 4.0Profit: 8.5Value: 7.3Quality: 3.8
Piotroski: 4/9Altman Z: 0.33

SELF

Hold

37

out of 100

Grade: F

Growth: 4.0Profit: 5.5Value: 5.7Quality: 8.0
Piotroski: 4/9Altman Z: 1.97
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMTSignificantly Overvalued (-391.5%)

Margin of Safety

-391.5%

Fair Value

$36.72

Current Price

$167.27

$130.55 premium

UndervaluedFair: $36.72Overvalued
SELFSignificantly Overvalued (-367.0%)

Margin of Safety

-367.0%

Fair Value

$1.09

Current Price

$5.10

$4.01 premium

UndervaluedFair: $1.09Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMT4 strengths · Avg: 9.3/10
Operating MarginProfitability
44.9%10/10

Strong operational efficiency at 44.9%

Market CapQuality
$78.31B9/10

Large-cap with strong market position

Return on EquityProfitability
26.3%9/10

Every $100 of equity generates 26 in profit

Profit MarginProfitability
23.8%9/10

Keeps 24 of every $100 in revenue as profit

SELF2 strengths · Avg: 9.0/10
Price/BookValuation
1.2x10/10

Reasonable price relative to book value

Operating MarginProfitability
23.3%8/10

Strong operational efficiency at 23.3%

Areas to Watch

AMT4 concerns · Avg: 3.0/10
PEG RatioValuation
1.954/10

Expensive relative to growth rate

P/E RatioValuation
31.0x4/10

Premium valuation, high expectations priced in

Price/BookValuation
21.4x2/10

Trading at 21.4x book value

EPS GrowthGrowth
-33.2%2/10

Earnings declined 33.2%

SELF4 concerns · Avg: 3.8/10
P/E RatioValuation
31.8x4/10

Premium valuation, high expectations priced in

Revenue GrowthGrowth
0.8%4/10

0.8% revenue growth

Altman Z-ScoreHealth
1.974/10

Grey zone — moderate risk

Market CapQuality
$57.60M3/10

Smaller company, higher risk/reward

Comparative Analysis Report

WallStSmart Research

Bull Case : AMT

The strongest argument for AMT centers on Operating Margin, Market Cap, Return on Equity. Profitability is solid with margins at 23.8% and operating margin at 44.9%.

Bull Case : SELF

The strongest argument for SELF centers on Price/Book, Operating Margin.

Bear Case : AMT

The primary concerns for AMT are PEG Ratio, P/E Ratio, Price/Book.

Bear Case : SELF

The primary concerns for SELF are P/E Ratio, Revenue Growth, Altman Z-Score.

Key Dynamics to Monitor

AMT profiles as a mature stock while SELF is a value play — different risk/reward profiles.

AMT carries more volatility with a beta of 0.91 — expect wider price swings.

AMT is growing revenue faster at 7.5% — sustainability is the question.

AMT generates stronger free cash flow (848M), providing more financial flexibility.

Bottom Line

AMT scores higher overall (62/100 vs 37/100), backed by strong 23.8% margins. 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.

American Tower Corp

REAL ESTATE · REIT - SPECIALTY · USA

American Tower Corporation (also referred to as American Tower or ATC) is an American real estate investment trust and an owner and operator of wireless and broadcast communications infrastructure in several countries worldwide and is headquartered in Boston, Massachusetts.

Global Self Storage Inc

REAL ESTATE · REIT - SPECIALTY · USA

Global Self Storage is a self-managed and self-managed REIT that owns, operates, manages, acquires, develops and redevelops self-storage properties.

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