WallStSmart

KLA Corporation (KLAC)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

KLA Corporation generates 19% more annual revenue ($12.74B vs $10.73B). KLAC leads profitability with a 35.8% profit margin vs 35.6%. WDC appears more attractively valued with a PEG of 0.69. KLAC earns a higher WallStSmart Score of 69/100 (B-).

KLAC

Strong Buy

69

out of 100

Grade: B-

Growth: 7.3Profit: 10.0Value: 8.7Quality: 8.5
Piotroski: 6/9Altman Z: 2.70

WDC

Buy

55

out of 100

Grade: C

Growth: 2.0Profit: 9.0Value: 7.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

KLACUndervalued (+5.9%)

Margin of Safety

+5.9%

Fair Value

$1592.14

Current Price

$1498.67

$93.47 discount

UndervaluedFair: $1592.14Overvalued
WDCSignificantly Overvalued (-311.2%)

Margin of Safety

-311.2%

Fair Value

$66.57

Current Price

$293.10

$226.53 premium

UndervaluedFair: $66.57Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

KLAC6 strengths · Avg: 9.2/10
Return on EquityProfitability
100.7%10/10

Every $100 of equity generates 101 in profit

Profit MarginProfitability
35.8%10/10

Keeps 36 of every $100 in revenue as profit

Operating MarginProfitability
41.3%10/10

Strong operational efficiency at 41.3%

Market CapQuality
$196.91B9/10

Large-cap with strong market position

EPS GrowthGrowth
40.9%8/10

Earnings expanding 40.9% YoY

Free Cash FlowQuality
$1.26B8/10

Generating 1.3B in free cash flow

WDC4 strengths · Avg: 9.3/10
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

Market CapQuality
$100.21B9/10

Large-cap with strong market position

PEG RatioValuation
0.698/10

Growing faster than its price suggests

Areas to Watch

KLAC4 concerns · Avg: 2.8/10
PEG RatioValuation
1.684/10

Expensive relative to growth rate

Debt/EquityHealth
1.153/10

Elevated debt levels

P/E RatioValuation
44.0x2/10

Premium valuation, high expectations priced in

Price/BookValuation
36.0x2/10

Trading at 36.0x book value

WDC4 concerns · Avg: 3.0/10
P/E RatioValuation
29.9x4/10

Moderate valuation

Price/BookValuation
14.0x4/10

Trading at 14.0x book value

Revenue GrowthGrowth
-41.0%2/10

Revenue declined 41.0%

EPS GrowthGrowth
-95.9%2/10

Earnings declined 95.9%

Comparative Analysis Report

WallStSmart Research

Bull Case : KLAC

The strongest argument for KLAC centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 35.8% and operating margin at 41.3%.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Market Cap. Profitability is solid with margins at 35.6% and operating margin at 15.4%. PEG of 0.69 suggests the stock is reasonably priced for its growth.

Bear Case : KLAC

The primary concerns for KLAC are PEG Ratio, Debt/Equity, P/E Ratio. A P/E of 44.0x leaves little room for execution misses.

Bear Case : WDC

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

Key Dynamics to Monitor

KLAC profiles as a mature stock while WDC is a declining play — different risk/reward profiles.

WDC carries more volatility with a beta of 1.85 — expect wider price swings.

KLAC is growing revenue faster at 7.2% — sustainability is the question.

KLAC generates stronger free cash flow (1.3B), providing more financial flexibility.

Bottom Line

KLAC scores higher overall (69/100 vs 55/100), backed by strong 35.8% margins. 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.

KLA Corporation

TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS · USA

KLA Corporation is a capital equipment company based in Milpitas, California. It supplies process control and yield management systems for the semiconductor industry and other related nanoelectronics industries. The company's products and services are intended for all phases of wafer, reticle, integrated circuit (IC) and packaging production, from research and development to final volume manufacturing.

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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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