WallStSmart

GlaxoSmithKline PLC ADR (GSK)vsSouthern Company (SO)

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Smart Verdict

WallStSmart Research — data-driven comparison

GlaxoSmithKline PLC ADR generates 9% more annual revenue ($32.78B vs $30.18B). GSK leads profitability with a 17.8% profit margin vs 14.5%. 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: 1.26

SO

Buy

56

out of 100

Grade: C

Growth: 4.0Profit: 7.0Value: 3.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

GSKFair Value (-3.1%)

Margin of Safety

-3.1%

Fair Value

$56.71

Current Price

$50.41

$6.30 premium

UndervaluedFair: $56.71Overvalued
SOSignificantly Overvalued (-26.1%)

Margin of Safety

-26.1%

Fair Value

$73.33

Current Price

$91.80

$18.47 premium

UndervaluedFair: $73.33Overvalued

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
$101.38B9/10

Large-cap with strong market position

P/E RatioValuation
13.1x8/10

Attractively priced relative to earnings

SO3 strengths · Avg: 8.3/10
Market CapQuality
$103.49B9/10

Large-cap with strong market position

Price/BookValuation
2.9x8/10

Reasonable price relative to book value

Operating MarginProfitability
25.8%8/10

Strong operational efficiency at 25.8%

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
1.262/10

Distress zone — elevated risk

SO3 concerns · Avg: 2.0/10
PEG RatioValuation
2.662/10

Expensive relative to growth rate

EPS GrowthGrowth
-0.8%2/10

Earnings declined 0.8%

Free Cash FlowQuality
$-1.72B2/10

Negative free cash flow — burning cash

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 : SO

The strongest argument for SO centers on Market Cap, Price/Book, Operating Margin.

Bear Case : GSK

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

Bear Case : SO

The primary concerns for SO are PEG Ratio, EPS Growth, Free Cash Flow.

Key Dynamics to Monitor

SO carries more volatility with a beta of 0.36 — expect wider price swings.

SO is growing revenue faster at 8.0% — sustainability is the question.

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

Monitor DRUG MANUFACTURERS - GENERAL industry trends, competitive dynamics, and regulatory changes.

Bottom Line

GSK scores higher overall (66/100 vs 56/100), 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.

Southern Company

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

Southern Company is an American gas and electric utility holding company based in the southern United States. It is headquartered in Atlanta, Georgia, with executive offices also located in Birmingham, Alabama.

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