WallStSmart

GlaxoSmithKline PLC ADR (GSK)vsNational Grid PLC ADR (NGG)

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Smart Verdict

WallStSmart Research — data-driven comparison

GlaxoSmithKline PLC ADR generates 88% more annual revenue ($32.78B vs $17.48B). GSK leads profitability with a 17.8% profit margin vs 16.4%. GSK appears more attractively valued with a PEG of 0.50. GSK earns a higher WallStSmart Score of 66/100 (B-).

GSK

Strong Buy

66

out of 100

Grade: B-

Growth: 4.7Profit: 9.0Value: 7.3Quality: 4.0
Piotroski: 5/9Altman Z: 1.24

NGG

Buy

50

out of 100

Grade: C-

Growth: 2.0Profit: 6.5Value: 5.7Quality: 4.0
Piotroski: 4/9Altman Z: 1.24
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

GSKFair Value (-2.5%)

Margin of Safety

-2.5%

Fair Value

$57.09

Current Price

$52.31

$4.78 premium

UndervaluedFair: $57.09Overvalued

Intrinsic value data unavailable for NGG.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

GSK5 strengths · Avg: 9.4/10
PEG RatioValuation
0.5010/10

Growing faster than its price suggests

Return on EquityProfitability
40.9%10/10

Every $100 of equity generates 41 in profit

Operating MarginProfitability
36.3%10/10

Strong operational efficiency at 36.3%

Market CapQuality
$104.41B9/10

Large-cap with strong market position

P/E RatioValuation
13.6x8/10

Attractively priced relative to earnings

NGG2 strengths · Avg: 8.5/10
Market CapQuality
$85.52B9/10

Large-cap with strong market position

Operating MarginProfitability
24.1%8/10

Strong operational efficiency at 24.1%

Areas to Watch

GSK3 concerns · Avg: 3.0/10
Revenue GrowthGrowth
1.5%4/10

1.5% revenue growth

Debt/EquityHealth
1.103/10

Elevated debt levels

Altman Z-ScoreHealth
1.242/10

Distress zone — elevated risk

NGG4 concerns · Avg: 3.0/10
Price/BookValuation
9.0x4/10

Trading at 9.0x 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%

Comparative Analysis Report

WallStSmart Research

Bull Case : GSK

The strongest argument for GSK centers on PEG Ratio, Return on Equity, Operating Margin. Profitability is solid with margins at 17.8% and operating margin at 36.3%. PEG of 0.50 suggests the stock is reasonably priced for its growth.

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.

Bear Case : GSK

The primary concerns for GSK are Revenue Growth, Debt/Equity, Altman Z-Score.

Bear Case : NGG

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

Key Dynamics to Monitor

GSK profiles as a value stock while NGG is a declining play — different risk/reward profiles.

NGG carries more volatility with a beta of 0.64 — expect wider price swings.

GSK is growing revenue faster at 1.5% — sustainability is the question.

GSK generates stronger free cash flow (698M), providing more financial flexibility.

Bottom Line

GSK scores higher overall (66/100 vs 50/100), backed by strong 17.8% 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.

GlaxoSmithKline PLC ADR

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

GlaxoSmithKline plc is dedicated to the creation, discovery, development, manufacture and marketing of pharmaceuticals, vaccines, over-the-counter drugs and health-related consumer products in the UK, US and internationally. The company is headquartered in Brentford, the United Kingdom.

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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