WallStSmart

Ciena Corp (CIEN)vsKLA Corporation (KLAC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

KLA Corporation generates 149% more annual revenue ($12.74B vs $5.12B). KLAC leads profitability with a 35.8% profit margin vs 4.5%. CIEN appears more attractively valued with a PEG of 1.60. KLAC earns a higher WallStSmart Score of 70/100 (B).

CIEN

Buy

54

out of 100

Grade: C-

Growth: 6.7Profit: 5.5Value: 4.7Quality: 7.5
Piotroski: 6/9Altman Z: 1.18

KLAC

Strong Buy

70

out of 100

Grade: B

Growth: 7.3Profit: 10.0Value: 8.7Quality: 8.5
Piotroski: 6/9Altman Z: 2.70
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

CIENSignificantly Overvalued (-299.5%)

Margin of Safety

-299.5%

Fair Value

$74.41

Current Price

$437.70

$363.29 premium

UndervaluedFair: $74.41Overvalued
KLACUndervalued (+3.9%)

Margin of Safety

+3.9%

Fair Value

$1605.71

Current Price

$1543.82

$61.89 discount

UndervaluedFair: $1605.71Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

CIEN2 strengths · Avg: 9.5/10
Revenue GrowthGrowth
33.1%10/10

Revenue surging 33.1% year-over-year

Market CapQuality
$60.74B9/10

Large-cap with strong market position

KLAC6 strengths · Avg: 9.3/10
Market CapQuality
$205.79B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
100.7%10/10

Every $100 of equity generates 101 in profit

Profit MarginProfitability
35.8%10/10

Keeps 36 of every $100 in revenue as profit

Operating MarginProfitability
41.3%10/10

Strong operational efficiency at 41.3%

EPS GrowthGrowth
40.9%8/10

Earnings expanding 40.9% YoY

Free Cash FlowQuality
$1.26B8/10

Generating 1.3B in free cash flow

Areas to Watch

CIEN4 concerns · Avg: 3.3/10
PEG RatioValuation
1.604/10

Expensive relative to growth rate

EPS GrowthGrowth
2.3%4/10

2.3% earnings growth

Profit MarginProfitability
4.5%3/10

4.5% margin — thin

P/E RatioValuation
270.1x2/10

Premium valuation, high expectations priced in

KLAC4 concerns · Avg: 2.8/10
PEG RatioValuation
1.664/10

Expensive relative to growth rate

Debt/EquityHealth
1.153/10

Elevated debt levels

P/E RatioValuation
45.6x2/10

Premium valuation, high expectations priced in

Price/BookValuation
37.0x2/10

Trading at 37.0x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : CIEN

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

Bull Case : KLAC

The strongest argument for KLAC centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 35.8% and operating margin at 41.3%.

Bear Case : CIEN

The primary concerns for CIEN are PEG Ratio, EPS Growth, Profit Margin. A P/E of 270.1x leaves little room for execution misses. Thin 4.5% margins leave little buffer for downturns.

Bear Case : KLAC

The primary concerns for KLAC are PEG Ratio, Debt/Equity, P/E Ratio. A P/E of 45.6x leaves little room for execution misses.

Key Dynamics to Monitor

CIEN profiles as a hypergrowth stock while KLAC is a mature play — different risk/reward profiles.

KLAC carries more volatility with a beta of 1.45 — expect wider price swings.

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

KLAC generates stronger free cash flow (1.3B), providing more financial flexibility.

Bottom Line

KLAC scores higher overall (70/100 vs 54/100), backed by strong 35.8% margins. 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.

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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KLA Corporation

TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS · USA

KLA Corporation is a capital equipment company based in Milpitas, California. It supplies process control and yield management systems for the semiconductor industry and other related nanoelectronics industries. The company's products and services are intended for all phases of wafer, reticle, integrated circuit (IC) and packaging production, from research and development to final volume manufacturing.

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