WallStSmart

Lumentum Holdings Inc (LITE)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Western Digital Corporation generates 410% more annual revenue ($10.73B vs $2.11B). WDC leads profitability with a 35.6% profit margin vs 11.9%. WDC appears more attractively valued with a PEG of 0.69. LITE earns a higher WallStSmart Score of 69/100 (B-).

LITE

Strong Buy

69

out of 100

Grade: B-

Growth: 7.3Profit: 8.0Value: 4.7Quality: 3.8
Piotroski: 4/9Altman Z: 0.58

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

LITESignificantly Overvalued (-254.5%)

Margin of Safety

-254.5%

Fair Value

$161.93

Current Price

$706.35

$544.42 premium

UndervaluedFair: $161.93Overvalued
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

LITE5 strengths · Avg: 9.2/10
Revenue GrowthGrowth
65.5%10/10

Revenue surging 65.5% year-over-year

EPS GrowthGrowth
71.1%10/10

Earnings expanding 71.1% YoY

Market CapQuality
$50.43B9/10

Large-cap with strong market position

Return on EquityProfitability
29.3%9/10

Every $100 of equity generates 29 in profit

PEG RatioValuation
0.978/10

Growing faster than its price suggests

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

LITE3 concerns · Avg: 2.0/10
P/E RatioValuation
204.2x2/10

Premium valuation, high expectations priced in

Price/BookValuation
59.6x2/10

Trading at 59.6x book value

Altman Z-ScoreHealth
0.582/10

Distress zone — elevated risk

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 : LITE

The strongest argument for LITE centers on Revenue Growth, EPS Growth, Market Cap. Revenue growth of 65.5% demonstrates continued momentum. PEG of 0.97 suggests the stock is reasonably priced for its growth.

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 : LITE

The primary concerns for LITE are P/E Ratio, Price/Book, Altman Z-Score. A P/E of 204.2x 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

LITE profiles as a growth 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.

LITE is growing revenue faster at 65.5% — sustainability is the question.

WDC generates stronger free cash flow (653M), providing more financial flexibility.

Bottom Line

LITE scores higher overall (69/100 vs 55/100) and 65.5% 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.

Lumentum Holdings Inc

TECHNOLOGY · COMMUNICATION EQUIPMENT · USA

Lumentum Holdings Inc. manufactures and sells optical and photonic products in the Americas, Asia-Pacific, Europe, the Middle East, and Africa. The company is headquartered in San Jose, California.

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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