WallStSmart

Arista Networks (ANET)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Western Digital Corporation generates 19% more annual revenue ($10.73B vs $9.01B). ANET leads profitability with a 39.0% profit margin vs 35.6%. WDC appears more attractively valued with a PEG of 0.71. ANET earns a higher WallStSmart Score of 69/100 (B-).

ANET

Strong Buy

69

out of 100

Grade: B-

Growth: 8.7Profit: 9.5Value: 7.3Quality: 7.3
Piotroski: 2/9Altman Z: 3.53

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

ANETSignificantly Overvalued (-29.4%)

Margin of Safety

-29.4%

Fair Value

$102.74

Current Price

$131.20

$28.46 premium

UndervaluedFair: $102.74Overvalued
WDCSignificantly Overvalued (-280.1%)

Margin of Safety

-280.1%

Fair Value

$72.01

Current Price

$293.10

$221.09 premium

UndervaluedFair: $72.01Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ANET6 strengths · Avg: 9.5/10
Return on EquityProfitability
31.4%10/10

Every $100 of equity generates 31 in profit

Profit MarginProfitability
39.0%10/10

Keeps 39 of every $100 in revenue as profit

Operating MarginProfitability
41.5%10/10

Strong operational efficiency at 41.5%

Altman Z-ScoreHealth
3.5310/10

Safe zone — low bankruptcy risk

Market CapQuality
$170.44B9/10

Large-cap with strong market position

Revenue GrowthGrowth
28.9%8/10

Revenue surging 28.9% year-over-year

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
$97.85B9/10

Large-cap with strong market position

PEG RatioValuation
0.718/10

Growing faster than its price suggests

Areas to Watch

ANET4 concerns · Avg: 3.3/10
PEG RatioValuation
1.914/10

Expensive relative to growth rate

Price/BookValuation
13.3x4/10

Trading at 13.3x book value

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
49.2x2/10

Premium valuation, high expectations priced in

WDC4 concerns · Avg: 3.0/10
P/E RatioValuation
27.0x4/10

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 : ANET

The strongest argument for ANET centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 39.0% and operating margin at 41.5%. Revenue growth of 28.9% demonstrates continued momentum.

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 0.71 suggests the stock is reasonably priced for its growth.

Bear Case : ANET

The primary concerns for ANET are PEG Ratio, Price/Book, Piotroski F-Score. A P/E of 49.2x 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

ANET 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.

ANET is growing revenue faster at 28.9% — sustainability is the question.

ANET generates stronger free cash flow (1.2B), providing more financial flexibility.

Bottom Line

ANET scores higher overall (69/100 vs 55/100), backed by strong 39.0% margins and 28.9% 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.

Arista Networks

TECHNOLOGY · COMPUTER HARDWARE · USA

Arista Networks (formerly Arastra) is an American computer networking company headquartered in Santa Clara, California. The company designs and sells multilayer network switches to deliver software-defined networking (SDN) solutions for large datacenter, cloud computing, high-performance computing, and high-frequency trading environments.

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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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