WallStSmart

American Tower Corp (AMT)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

American Tower Corp generates 1% more annual revenue ($10.82B vs $10.73B). WDC leads profitability with a 35.6% profit margin vs 26.8%. WDC appears more attractively valued with a PEG of 0.83. WDC earns a higher WallStSmart Score of 77/100 (B+).

AMT

Strong Buy

72

out of 100

Grade: B

Growth: 6.7Profit: 9.0Value: 6.0Quality: 3.8
Piotroski: 4/9Altman Z: 0.33

WDC

Strong Buy

77

out of 100

Grade: B+

Growth: 6.7Profit: 9.5Value: 5.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMTUndervalued (+17.6%)

Margin of Safety

+17.6%

Fair Value

$219.10

Current Price

$182.71

$36.39 discount

UndervaluedFair: $219.10Overvalued

Intrinsic value data unavailable for WDC.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMT5 strengths · Avg: 9.4/10
Operating MarginProfitability
45.3%10/10

Strong operational efficiency at 45.3%

EPS GrowthGrowth
76.9%10/10

Earnings expanding 76.9% YoY

Market CapQuality
$85.12B9/10

Large-cap with strong market position

Return on EquityProfitability
29.9%9/10

Every $100 of equity generates 30 in profit

Profit MarginProfitability
26.8%9/10

Keeps 27 of every $100 in revenue as profit

WDC6 strengths · Avg: 9.5/10
Return on EquityProfitability
41.1%10/10

Every $100 of equity generates 41 in profit

Profit MarginProfitability
35.6%10/10

Keeps 36 of every $100 in revenue as profit

Operating MarginProfitability
31.9%10/10

Strong operational efficiency at 31.9%

EPS GrowthGrowth
189.6%10/10

Earnings expanding 189.6% YoY

Market CapQuality
$148.56B9/10

Large-cap with strong market position

PEG RatioValuation
0.838/10

Growing faster than its price suggests

Areas to Watch

AMT4 concerns · Avg: 3.0/10
PEG RatioValuation
1.974/10

Expensive relative to growth rate

P/E RatioValuation
29.5x4/10

Moderate valuation

Price/BookValuation
24.2x2/10

Trading at 24.2x book value

Altman Z-ScoreHealth
0.332/10

Distress zone — elevated risk

WDC2 concerns · Avg: 2.0/10
P/E RatioValuation
41.1x2/10

Premium valuation, high expectations priced in

Price/BookValuation
20.8x2/10

Trading at 20.8x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : AMT

The strongest argument for AMT centers on Operating Margin, EPS Growth, Market Cap. Profitability is solid with margins at 26.8% and operating margin at 45.3%.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 35.6% and operating margin at 31.9%. Revenue growth of 25.2% demonstrates continued momentum.

Bear Case : AMT

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

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Price/Book. A P/E of 41.1x leaves little room for execution misses.

Key Dynamics to Monitor

AMT profiles as a mature stock while WDC is a growth play — different risk/reward profiles.

WDC carries more volatility with a beta of 1.83 — expect wider price swings.

WDC is growing revenue faster at 25.2% — sustainability is the question.

AMT generates stronger free cash flow (951M), providing more financial flexibility.

Bottom Line

WDC scores higher overall (77/100 vs 72/100), backed by strong 35.6% margins and 25.2% revenue growth. AMT offers better value entry with a 17.6% margin of safety. Both earn "Strong Buy" and "Strong 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.

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.

Western Digital Corporation

TECHNOLOGY · COMPUTER HARDWARE · USA

Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.

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