WallStSmart

Comfort Systems USA Inc (FIX)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Western Digital Corporation generates 16% more annual revenue ($11.78B vs $10.14B). WDC leads profitability with a 55.3% profit margin vs 12.1%. WDC appears more attractively valued with a PEG of 0.87. WDC earns a higher WallStSmart Score of 79/100 (B+).

FIX

Buy

60

out of 100

Grade: C

Growth: 8.0Profit: 8.0Value: 4.3Quality: 6.3
Piotroski: 4/9Altman Z: 3.72

WDC

Strong Buy

79

out of 100

Grade: B+

Growth: 7.3Profit: 9.5Value: 6.3Quality: 5.0

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

FIX4 strengths · Avg: 9.3/10
Return on EquityProfitability
53.3%10/10

Every $100 of equity generates 53 in profit

Altman Z-ScoreHealth
3.7210/10

Safe zone — low bankruptcy risk

Market CapQuality
$64.78B9/10

Large-cap with strong market position

EPS GrowthGrowth
38.8%8/10

Earnings expanding 38.8% YoY

WDC6 strengths · Avg: 9.8/10
Return on EquityProfitability
85.9%10/10

Every $100 of equity generates 86 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
477.2%10/10

Earnings expanding 477.2% YoY

Market CapQuality
$152.47B9/10

Large-cap with strong market position

Areas to Watch

FIX3 concerns · Avg: 2.7/10
Revenue GrowthGrowth
1.0%4/10

1.0% revenue growth

P/E RatioValuation
53.2x2/10

Premium valuation, high expectations priced in

Price/BookValuation
109.6x2/10

Trading at 109.6x book value

WDC2 concerns · Avg: 3.0/10
P/E RatioValuation
25.8x4/10

Moderate valuation

Price/BookValuation
23.1x2/10

Trading at 23.1x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : FIX

The strongest argument for FIX centers on Return on Equity, Altman Z-Score, Market Cap. PEG of 1.44 suggests the stock is reasonably priced for its growth.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Operating 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 : FIX

The primary concerns for FIX are Revenue Growth, P/E Ratio, Price/Book. A P/E of 53.2x leaves little room for execution misses.

Bear Case : WDC

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

Key Dynamics to Monitor

FIX profiles as a value 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 (79/100 vs 60/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Strong Buy" and "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.

Comfort Systems USA Inc

INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA

Comfort Systems USA, Inc. provides mechanical and electrical installation, renovation, maintenance, repair and replacement services for the mechanical and electrical service industry in the United States. The company is headquartered in Houston, Texas.

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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