WallStSmart

Arista Networks (ANET)vsT-Mobile US Inc (TMUS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

T-Mobile US Inc generates 881% more annual revenue ($88.31B vs $9.01B). ANET leads profitability with a 39.0% profit margin vs 12.4%. TMUS appears more attractively valued with a PEG of 0.80. 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

TMUS

Buy

60

out of 100

Grade: C

Growth: 4.0Profit: 7.0Value: 7.3Quality: 5.5
Piotroski: 4/9Altman Z: 1.06
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
TMUSSignificantly Overvalued (-236.2%)

Margin of Safety

-236.2%

Fair Value

$66.03

Current Price

$208.47

$142.44 premium

UndervaluedFair: $66.03Overvalued

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

TMUS3 strengths · Avg: 8.7/10
Market CapQuality
$233.18B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.808/10

Growing faster than its price suggests

Free Cash FlowQuality
$4.18B8/10

Generating 4.2B 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

TMUS3 concerns · Avg: 2.3/10
Debt/EquityHealth
1.993/10

Elevated debt levels

EPS GrowthGrowth
-26.6%2/10

Earnings declined 26.6%

Altman Z-ScoreHealth
1.062/10

Distress zone — elevated risk

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 : TMUS

The strongest argument for TMUS centers on Market Cap, PEG Ratio, Free Cash Flow. Revenue growth of 11.3% demonstrates continued momentum. PEG of 0.80 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 47.5x leaves little room for execution misses.

Bear Case : TMUS

The primary concerns for TMUS are Debt/Equity, EPS Growth, Altman Z-Score. Debt-to-equity of 1.99 is elevated, increasing financial risk.

Key Dynamics to Monitor

ANET profiles as a growth stock while TMUS is a value 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.

TMUS generates stronger free cash flow (4.2B), 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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T-Mobile US Inc

COMMUNICATION SERVICES · TELECOM SERVICES · USA

T-Mobile US, Inc., doing business under the global brand name T-Mobile, is an American wireless network operator. Its headquarters are located in Bellevue, Washington, in the Seattle metropolitan area and Overland Park, Kansas, in the Kansas City metropolitan area.

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