WallStSmart

National Grid PLC ADR (NGG)vsSeagate Technology PLC (STX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

National Grid PLC ADR generates 74% more annual revenue ($17.48B vs $10.06B). STX leads profitability with a 19.6% profit margin vs 16.4%. STX appears more attractively valued with a PEG of 0.67. STX earns a higher WallStSmart Score of 72/100 (B).

NGG

Buy

50

out of 100

Grade: C-

Growth: 2.0Profit: 6.5Value: 7.3Quality: 5.5
Piotroski: 4/9Altman Z: 1.24

STX

Strong Buy

72

out of 100

Grade: B

Growth: 6.7Profit: 9.0Value: 8.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NGGSignificantly Overvalued (-234.1%)

Margin of Safety

-234.1%

Fair Value

$27.13

Current Price

$81.99

$54.86 premium

UndervaluedFair: $27.13Overvalued
STXUndervalued (+1.9%)

Margin of Safety

+1.9%

Fair Value

$415.12

Current Price

$411.23

$3.89 discount

UndervaluedFair: $415.12Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NGG2 strengths · Avg: 8.5/10
Market CapQuality
$85.04B9/10

Large-cap with strong market position

Operating MarginProfitability
24.1%8/10

Strong operational efficiency at 24.1%

STX6 strengths · Avg: 8.7/10
EPS GrowthGrowth
67.7%10/10

Earnings expanding 67.7% YoY

Market CapQuality
$97.36B9/10

Large-cap with strong market position

Return on EquityProfitability
22.1%9/10

Every $100 of equity generates 22 in profit

PEG RatioValuation
0.678/10

Growing faster than its price suggests

Operating MarginProfitability
29.9%8/10

Strong operational efficiency at 29.9%

Revenue GrowthGrowth
21.5%8/10

Revenue surging 21.5% year-over-year

Areas to Watch

NGG4 concerns · Avg: 3.0/10
Price/BookValuation
8.2x4/10

Trading at 8.2x book value

Return on EquityProfitability
7.9%3/10

ROE of 7.9% — below average capital efficiency

Debt/EquityHealth
1.233/10

Elevated debt levels

Revenue GrowthGrowth
-11.3%2/10

Revenue declined 11.3%

STX2 concerns · Avg: 2.0/10
P/E RatioValuation
49.0x2/10

Premium valuation, high expectations priced in

Price/BookValuation
195.8x2/10

Trading at 195.8x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : NGG

The strongest argument for NGG centers on Market Cap, Operating Margin. Profitability is solid with margins at 16.4% and operating margin at 24.1%. PEG of 1.09 suggests the stock is reasonably priced for its growth.

Bull Case : STX

The strongest argument for STX centers on EPS Growth, Market Cap, Return on Equity. Profitability is solid with margins at 19.6% and operating margin at 29.9%. Revenue growth of 21.5% demonstrates continued momentum.

Bear Case : NGG

The primary concerns for NGG are Price/Book, Return on Equity, Debt/Equity.

Bear Case : STX

The primary concerns for STX are P/E Ratio, Price/Book. A P/E of 49.0x leaves little room for execution misses.

Key Dynamics to Monitor

NGG profiles as a declining stock while STX is a growth play — different risk/reward profiles.

STX carries more volatility with a beta of 1.65 — expect wider price swings.

STX is growing revenue faster at 21.5% — sustainability is the question.

STX generates stronger free cash flow (618M), providing more financial flexibility.

Bottom Line

STX scores higher overall (72/100 vs 50/100), backed by strong 19.6% margins and 21.5% 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.

National Grid PLC ADR

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

National Grid plc transmits and distributes electricity and natural gas. The company is headquartered in London, the United Kingdom.

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Seagate Technology PLC

TECHNOLOGY · COMPUTER HARDWARE · USA

Seagate Technology Holdings plc, an Irish public limited company (commonly referred to as Seagate) is an American data storage company.

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