WallStSmart

Ciena Corp (CIEN)vsS&P Global Inc (SPGI)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

S&P Global Inc generates 199% more annual revenue ($15.34B vs $5.12B). SPGI leads profitability with a 29.1% profit margin vs 4.5%. SPGI appears more attractively valued with a PEG of 1.50. SPGI earns a higher WallStSmart Score of 67/100 (B-).

CIEN

Buy

54

out of 100

Grade: C-

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

SPGI

Strong Buy

67

out of 100

Grade: B-

Growth: 8.0Profit: 8.0Value: 10.0Quality: 6.0
Piotroski: 5/9Altman Z: 1.97
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
SPGIUndervalued (+40.5%)

Margin of Safety

+40.5%

Fair Value

$687.02

Current Price

$408.48

$278.54 discount

UndervaluedFair: $687.02Overvalued

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

SPGI5 strengths · Avg: 8.8/10
Operating MarginProfitability
38.3%10/10

Strong operational efficiency at 38.3%

Market CapQuality
$124.51B9/10

Large-cap with strong market position

Profit MarginProfitability
29.1%9/10

Keeps 29 of every $100 in revenue as profit

EPS GrowthGrowth
32.0%8/10

Earnings expanding 32.0% YoY

Free Cash FlowQuality
$1.70B8/10

Generating 1.7B 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

SPGI2 concerns · Avg: 4.0/10
P/E RatioValuation
28.0x4/10

Moderate valuation

Altman Z-ScoreHealth
1.974/10

Grey zone — moderate risk

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 : SPGI

The strongest argument for SPGI centers on Operating Margin, Market Cap, Profit Margin. Profitability is solid with margins at 29.1% and operating margin at 38.3%.

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 : SPGI

The primary concerns for SPGI are P/E Ratio, Altman Z-Score.

Key Dynamics to Monitor

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

SPGI carries more volatility with a beta of 1.22 — expect wider price swings.

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

SPGI generates stronger free cash flow (1.7B), providing more financial flexibility.

Bottom Line

SPGI scores higher overall (67/100 vs 54/100), backed by strong 29.1% 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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S&P Global Inc

FINANCIAL SERVICES · FINANCIAL DATA & STOCK EXCHANGES · USA

S&P Global Inc. is an American publicly traded corporation headquartered in Manhattan, New York City. Its primary areas of business are financial information and analytics.

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