WallStSmart

Arista Networks (ANET)vsUnion Pacific Corporation (UNP)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Union Pacific Corporation generates 172% more annual revenue ($24.51B vs $9.01B). ANET leads profitability with a 39.0% profit margin vs 29.1%. ANET appears more attractively valued with a PEG of 1.85. 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

UNP

Buy

60

out of 100

Grade: C

Growth: 3.3Profit: 9.5Value: 5.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ANETSignificantly Overvalued (-28.9%)

Margin of Safety

-28.9%

Fair Value

$103.11

Current Price

$131.22

$28.11 premium

UndervaluedFair: $103.11Overvalued
UNPOvervalued (-10.4%)

Margin of Safety

-10.4%

Fair Value

$212.69

Current Price

$234.92

$22.23 premium

UndervaluedFair: $212.69Overvalued

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
$165.24B9/10

Large-cap with strong market position

Revenue GrowthGrowth
28.9%8/10

Revenue surging 28.9% year-over-year

UNP5 strengths · Avg: 9.2/10
Return on EquityProfitability
40.4%10/10

Every $100 of equity generates 40 in profit

Operating MarginProfitability
40.9%10/10

Strong operational efficiency at 40.9%

Market CapQuality
$139.40B9/10

Large-cap with strong market position

Profit MarginProfitability
29.1%9/10

Keeps 29 of every $100 in revenue as profit

Free Cash FlowQuality
$1.23B8/10

Generating 1.2B in free cash flow

Areas to Watch

ANET4 concerns · Avg: 3.3/10
PEG RatioValuation
1.854/10

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
47.5x2/10

Premium valuation, high expectations priced in

UNP2 concerns · Avg: 2.0/10
PEG RatioValuation
2.632/10

Expensive relative to growth rate

Revenue GrowthGrowth
-60.0%2/10

Revenue declined 60.0%

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 : UNP

The strongest argument for UNP centers on Return on Equity, Operating Margin, Market Cap. Profitability is solid with margins at 29.1% and operating margin at 40.9%.

Bear Case : ANET

The primary concerns for ANET are PEG Ratio, Price/Book, Piotroski F-Score. A P/E of 47.5x leaves little room for execution misses.

Bear Case : UNP

The primary concerns for UNP are PEG Ratio, Revenue Growth.

Key Dynamics to Monitor

ANET profiles as a growth stock while UNP is a declining play — different risk/reward profiles.

ANET carries more volatility with a beta of 1.46 — expect wider price swings.

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

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

Bottom Line

ANET scores higher overall (69/100 vs 60/100), 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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Union Pacific Corporation

INDUSTRIALS · RAILROADS · USA

The Union Pacific Corporation (Union Pacific) is a publicly traded railroad holding company. It was incorporated in Utah in 1969 and is headquartered in Omaha, Nebraska. It is the parent company of the current, Delaware-registered, form of the Union Pacific Railroad.

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