WallStSmart

ADTRAN Inc (ADTN)vsSonos Inc (SONO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Sonos Inc generates 30% more annual revenue ($1.46B vs $1.12B). SONO leads profitability with a 1.6% profit margin vs -3.2%. SONO earns a higher WallStSmart Score of 45/100 (D+).

ADTN

Hold

37

out of 100

Grade: F

Growth: 4.7Profit: 2.5Value: 6.3Quality: 4.5
Piotroski: 4/9Altman Z: 0.75

SONO

Hold

45

out of 100

Grade: D+

Growth: 6.0Profit: 4.0Value: 3.0Quality: 7.0
Piotroski: 3/9Altman Z: 2.04
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ADTNUndervalued (+68.3%)

Margin of Safety

+68.3%

Fair Value

$32.80

Current Price

$15.35

$17.45 discount

UndervaluedFair: $32.80Overvalued
SONOSignificantly Overvalued (-34.6%)

Margin of Safety

-34.6%

Fair Value

$12.26

Current Price

$15.08

$2.82 premium

UndervaluedFair: $12.26Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ADTN1 strengths · Avg: 8.0/10
Revenue GrowthGrowth
15.5%8/10

15.5% revenue growth

SONO2 strengths · Avg: 9.5/10
EPS GrowthGrowth
87.5%10/10

Earnings expanding 87.5% YoY

Debt/EquityHealth
0.159/10

Conservative balance sheet, low leverage

Areas to Watch

ADTN4 concerns · Avg: 3.5/10
PEG RatioValuation
1.864/10

Expensive relative to growth rate

Price/BookValuation
9.0x4/10

Trading at 9.0x book value

Market CapQuality
$1.45B3/10

Smaller company, higher risk/reward

Operating MarginProfitability
2.3%3/10

Operating margin of 2.3%

SONO4 concerns · Avg: 3.0/10
Market CapQuality
$1.88B3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.2%3/10

ROE of 6.2% — below average capital efficiency

Profit MarginProfitability
1.6%3/10

1.6% margin — thin

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : ADTN

The strongest argument for ADTN centers on Revenue Growth. Revenue growth of 15.5% demonstrates continued momentum.

Bull Case : SONO

The strongest argument for SONO centers on EPS Growth, Debt/Equity.

Bear Case : ADTN

The primary concerns for ADTN are PEG Ratio, Price/Book, Market Cap. Debt-to-equity of 1.59 is elevated, increasing financial risk.

Bear Case : SONO

The primary concerns for SONO are Market Cap, Return on Equity, Profit Margin. A P/E of 92.8x leaves little room for execution misses. Thin 1.6% margins leave little buffer for downturns.

Key Dynamics to Monitor

ADTN profiles as a growth stock while SONO is a value play — different risk/reward profiles.

SONO carries more volatility with a beta of 1.94 — expect wider price swings.

ADTN is growing revenue faster at 15.5% — sustainability is the question.

ADTN generates stronger free cash flow (5M), providing more financial flexibility.

Bottom Line

SONO scores higher overall (45/100 vs 37/100). ADTN offers better value entry with a 68.3% margin of safety. Both earn "Hold" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

ADTRAN Inc

TECHNOLOGY · COMMUNICATION EQUIPMENT · USA

ADTRAN, Inc. provides networking and communications platforms and services for service providers, cable / multi-system operators, small and medium-sized businesses, and distributed businesses in the United States, Germany, Mexico, and internationally. The company is headquartered in Huntsville, Alabama.

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Sonos Inc

TECHNOLOGY · CONSUMER ELECTRONICS · USA

Sonos, Inc. designs, develops, manufactures, and sells multi-room audio products in the Americas, Europe, the Middle East, Africa, and Asia Pacific. The company is headquartered in Santa Barbara, California.

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