WallStSmart

Applied Opt (AAOI)vsCisco Systems Inc (CSCO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Cisco Systems Inc generates 11881% more annual revenue ($60.75B vs $507.00M). CSCO leads profitability with a 19.7% profit margin vs -8.6%. AAOI appears more attractively valued with a PEG of 0.78. CSCO earns a higher WallStSmart Score of 68/100 (B-).

AAOI

Hold

40

out of 100

Grade: F

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

CSCO

Strong Buy

68

out of 100

Grade: B-

Growth: 6.7Profit: 8.0Value: 4.3Quality: 5.0
Piotroski: 6/9Altman Z: 1.17

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

CSCO5 strengths · Avg: 8.6/10
Market CapQuality
$498.59B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
24.5%9/10

Every $100 of equity generates 24 in profit

Operating MarginProfitability
25.0%8/10

Strong operational efficiency at 25.0%

EPS GrowthGrowth
37.1%8/10

Earnings expanding 37.1% YoY

Free Cash FlowQuality
$3.56B8/10

Generating 3.6B in free cash flow

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

CSCO4 concerns · Avg: 3.0/10
PEG RatioValuation
1.784/10

Expensive relative to growth rate

Price/BookValuation
9.8x4/10

Trading at 9.8x book value

P/E RatioValuation
42.2x2/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.172/10

Distress zone — elevated risk

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 : CSCO

The strongest argument for CSCO centers on Market Cap, Return on Equity, Operating Margin. Profitability is solid with margins at 19.7% and operating margin at 25.0%. Revenue growth of 12.0% demonstrates continued momentum.

Bear Case : AAOI

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

Bear Case : CSCO

The primary concerns for CSCO are PEG Ratio, Price/Book, P/E Ratio. A P/E of 42.2x leaves little room for execution misses.

Key Dynamics to Monitor

AAOI profiles as a hypergrowth stock while CSCO is a mature play — different risk/reward profiles.

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.

CSCO generates stronger free cash flow (3.6B), providing more financial flexibility.

Bottom Line

CSCO scores higher overall (68/100 vs 40/100), backed by strong 19.7% margins and 12.0% revenue growth. Both earn "Strong 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.

Cisco Systems Inc

TECHNOLOGY · COMMUNICATION EQUIPMENT · USA

Cisco Systems, Inc. is an American multinational technology conglomerate headquartered in San Jose, California, in the center of Silicon Valley. Cisco develops, manufactures and sells networking hardware, software, telecommunications equipment and other high-technology services and products. Through its numerous acquired subsidiaries, such as OpenDNS, Webex, Jabber and Jasper, Cisco specializes in specific tech markets, such as the Internet of Things (IoT), domain security and energy management. On January 25, 2021, Cisco reincorporated in Delaware.

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