WallStSmart

Applied Opt (AAOI)vsCiena Corp (CIEN)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Ciena Corp generates 911% more annual revenue ($5.12B vs $507.00M). CIEN leads profitability with a 4.5% profit margin vs -8.6%. AAOI appears more attractively valued with a PEG of 0.78. CIEN earns a higher WallStSmart Score of 52/100 (C-).

AAOI

Hold

40

out of 100

Grade: F

Growth: 8.0Profit: 2.0Value: 6.0Quality: 7.5
Piotroski: 5/9Altman Z: 1.12

CIEN

Buy

52

out of 100

Grade: C-

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

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AAOI3 strengths · Avg: 9.0/10
Revenue GrowthGrowth
51.4%10/10

Revenue surging 51.4% year-over-year

Debt/EquityHealth
0.169/10

Conservative balance sheet, low leverage

PEG RatioValuation
0.788/10

Growing faster than its price suggests

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

AAOI4 concerns · Avg: 3.0/10
Price/BookValuation
14.5x4/10

Trading at 14.5x book value

EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Return on EquityProfitability
-3.9%2/10

ROE of -3.9% — below average capital efficiency

Free Cash FlowQuality
$-143.58M2/10

Negative free cash flow — burning cash

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 : AAOI

The strongest argument for AAOI centers on Revenue Growth, Debt/Equity, PEG Ratio. Revenue growth of 51.4% demonstrates continued momentum. PEG of 0.78 suggests the stock is reasonably priced for its growth.

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 : AAOI

The primary concerns for AAOI are Price/Book, EPS Growth, Return on Equity.

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

AAOI carries more volatility with a beta of 3.67 — expect wider price swings.

AAOI is growing revenue faster at 51.4% — sustainability is the question.

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

Monitor COMMUNICATION EQUIPMENT industry trends, competitive dynamics, and regulatory changes.

Bottom Line

CIEN scores higher overall (52/100 vs 40/100) and 33.1% revenue growth. 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.

Applied Opt

TECHNOLOGY · COMMUNICATION EQUIPMENT · USA

Applied Optoelectronics, Inc. designs, manufactures, and sells various fiber optic networking products globally. The company is headquartered in Sugar Land, Texas.

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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