WallStSmart

ADTRAN Inc (ADTN)vsCiena Corp (CIEN)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Ciena Corp generates 357% more annual revenue ($5.12B vs $1.12B). CIEN leads profitability with a 4.5% profit margin vs -3.2%. ADTN appears more attractively valued with a PEG of 1.86. CIEN earns a higher WallStSmart Score of 52/100 (C-).

ADTN

Hold

37

out of 100

Grade: F

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

CIEN

Buy

52

out of 100

Grade: C-

Growth: 8.7Profit: 6.0Value: 3.7Quality: 6.0
Piotroski: 5/9Altman Z: 1.18
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

Intrinsic value data unavailable for CIEN.

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

CIEN3 strengths · Avg: 9.7/10
Revenue GrowthGrowth
33.1%10/10

Revenue surging 33.1% year-over-year

EPS GrowthGrowth
232.3%10/10

Earnings expanding 232.3% YoY

Market CapQuality
$88.66B9/10

Large-cap with strong market position

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%

CIEN4 concerns · Avg: 2.8/10
PEG RatioValuation
2.384/10

Expensive relative to growth rate

Profit MarginProfitability
4.5%3/10

4.5% margin — thin

P/E RatioValuation
399.4x2/10

Premium valuation, high expectations priced in

Price/BookValuation
24.7x2/10

Trading at 24.7x book value

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 : CIEN

The strongest argument for CIEN centers on Revenue Growth, EPS Growth, Market Cap. Revenue growth of 33.1% demonstrates continued momentum.

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 : CIEN

The primary concerns for CIEN are PEG Ratio, Profit Margin, P/E Ratio. A P/E of 399.4x leaves little room for execution misses. Thin 4.5% margins leave little buffer for downturns.

Key Dynamics to Monitor

ADTN profiles as a growth stock while CIEN is a hypergrowth play — different risk/reward profiles.

ADTN carries more volatility with a beta of 1.47 — expect wider price swings.

CIEN is growing revenue faster at 33.1% — sustainability is the question.

CIEN generates stronger free cash flow (219M), providing more financial flexibility.

Bottom Line

CIEN scores higher overall (52/100 vs 37/100) and 33.1% revenue growth. ADTN offers better value entry with a 68.3% margin of safety. Both earn "Buy" 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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Ciena Corp

TECHNOLOGY · COMMUNICATION EQUIPMENT · USA

Ciena Corporation provides hardware, software, and network services that support the transport, routing, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks worldwide. The company is headquartered in Hanover, Maryland.

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