WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Western Digital Corporation generates 9% more annual revenue ($11.78B vs $10.82B). WDC leads profitability with a 55.3% profit margin vs 26.8%. WDC appears more attractively valued with a PEG of 0.53. WDC earns a higher WallStSmart Score of 80/100 (A-).

AMT

Strong Buy

72

out of 100

Grade: B

Growth: 6.7Profit: 9.0Value: 5.3Quality: 3.0
Piotroski: 4/9Altman Z: 0.36

WDC

Exceptional Buy

80

out of 100

Grade: A-

Growth: 7.3Profit: 9.5Value: 5.7Quality: 6.5
Piotroski: 5/9Altman Z: 1.51
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMTUndervalued (+7.0%)

Margin of Safety

+7.0%

Fair Value

$194.13

Current Price

$194.12

$0.01 discount

UndervaluedFair: $194.13Overvalued

Intrinsic value data unavailable for WDC.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMT5 strengths · Avg: 9.6/10
Return on EquityProfitability
78.8%10/10

Every $100 of equity generates 79 in profit

Operating MarginProfitability
45.9%10/10

Strong operational efficiency at 45.9%

EPS GrowthGrowth
76.9%10/10

Earnings expanding 76.9% YoY

Market CapQuality
$86.44B9/10

Large-cap with strong market position

Profit MarginProfitability
26.8%9/10

Keeps 27 of every $100 in revenue as profit

WDC6 strengths · Avg: 10.0/10
Market CapQuality
$204.78B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
67.0%10/10

Every $100 of equity generates 67 in profit

Profit MarginProfitability
55.3%10/10

Keeps 55 of every $100 in revenue as profit

Operating MarginProfitability
37.0%10/10

Strong operational efficiency at 37.0%

Revenue GrowthGrowth
45.5%10/10

Revenue surging 45.5% year-over-year

EPS GrowthGrowth
482.9%10/10

Earnings expanding 482.9% YoY

Areas to Watch

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

Expensive relative to growth rate

P/E RatioValuation
29.9x4/10

Moderate valuation

Price/BookValuation
25.7x2/10

Trading at 25.7x book value

Altman Z-ScoreHealth
0.362/10

Distress zone — elevated risk

WDC3 concerns · Avg: 3.3/10
P/E RatioValuation
35.5x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.514/10

Distress zone — elevated risk

Price/BookValuation
27.5x2/10

Trading at 27.5x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : AMT

The strongest argument for AMT centers on Return on Equity, Operating Margin, EPS Growth. Profitability is solid with margins at 26.8% and operating margin at 45.9%.

Bull Case : WDC

The strongest argument for WDC centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.

Bear Case : AMT

The primary concerns for AMT are PEG Ratio, P/E Ratio, Price/Book. Debt-to-equity of 12.36 is elevated, increasing financial risk.

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Altman Z-Score, Price/Book.

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 2.16 — expect wider price swings.

WDC is growing revenue faster at 45.5% — sustainability is the question.

WDC generates stronger free cash flow (978M), providing more financial flexibility.

Bottom Line

WDC scores higher overall (80/100 vs 72/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Exceptional 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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