WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

S&P Global Inc generates 207% more annual revenue ($15.73B vs $5.12B). SPGI leads profitability with a 30.4% profit margin vs 4.5%. SPGI appears more attractively valued with a PEG of 1.49. SPGI earns a higher WallStSmart Score of 71/100 (B).

CIEN

Buy

52

out of 100

Grade: C-

Growth: 8.7Profit: 5.5Value: 3.7Quality: 6.5
Piotroski: 6/9Altman Z: 1.18

SPGI

Strong Buy

71

out of 100

Grade: B

Growth: 8.0Profit: 8.0Value: 5.7Quality: 5.5
Piotroski: 5/9Altman Z: 1.97

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

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
$76.18B9/10

Large-cap with strong market position

SPGI5 strengths · Avg: 9.0/10
Profit MarginProfitability
30.4%10/10

Keeps 30 of every $100 in revenue as profit

Operating MarginProfitability
44.3%10/10

Strong operational efficiency at 44.3%

Market CapQuality
$126.89B9/10

Large-cap with strong market position

EPS GrowthGrowth
32.5%8/10

Earnings expanding 32.5% YoY

Free Cash FlowQuality
$1.01B8/10

Generating 1.0B in free cash flow

Areas to Watch

CIEN4 concerns · Avg: 2.8/10
PEG RatioValuation
2.274/10

Expensive relative to growth rate

Profit MarginProfitability
4.5%3/10

4.5% margin — thin

P/E RatioValuation
345.4x2/10

Premium valuation, high expectations priced in

Price/BookValuation
27.8x2/10

Trading at 27.8x book value

SPGI2 concerns · Avg: 4.0/10
P/E RatioValuation
27.1x4/10

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, EPS Growth, Market Cap. Revenue growth of 33.1% demonstrates continued momentum.

Bull Case : SPGI

The strongest argument for SPGI centers on Profit Margin, Operating Margin, Market Cap. Profitability is solid with margins at 30.4% and operating margin at 44.3%. Revenue growth of 10.4% demonstrates continued momentum.

Bear Case : CIEN

The primary concerns for CIEN are PEG Ratio, Profit Margin, P/E Ratio. A P/E of 345.4x 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.

CIEN carries more volatility with a beta of 1.25 — expect wider price swings.

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

SPGI generates stronger free cash flow (1.0B), providing more financial flexibility.

Bottom Line

SPGI scores higher overall (71/100 vs 52/100), backed by strong 30.4% margins and 10.4% revenue growth. 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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