WallStSmart

Costco Wholesale Corp (COST)vsGlaxoSmithKline PLC ADR (GSK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Costco Wholesale Corp generates 773% more annual revenue ($286.27B vs $32.78B). GSK leads profitability with a 17.8% profit margin vs 3.0%. GSK appears more attractively valued with a PEG of 0.50. GSK earns a higher WallStSmart Score of 66/100 (B-).

COST

Buy

61

out of 100

Grade: C+

Growth: 8.0Profit: 6.5Value: 2.0Quality: 7.5
Piotroski: 4/9Altman Z: 4.84

GSK

Strong Buy

66

out of 100

Grade: B-

Growth: 4.7Profit: 9.0Value: 7.3Quality: 4.0
Piotroski: 5/9Altman Z: 1.26
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

COSTSignificantly Overvalued (-89.1%)

Margin of Safety

-89.1%

Fair Value

$535.26

Current Price

$1008.79

$473.53 premium

UndervaluedFair: $535.26Overvalued
GSKFair Value (-3.1%)

Margin of Safety

-3.1%

Fair Value

$56.71

Current Price

$50.41

$6.30 premium

UndervaluedFair: $56.71Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

COST6 strengths · Avg: 9.0/10
Market CapQuality
$449.00B10/10

Mega-cap, among the largest globally

Altman Z-ScoreHealth
4.8410/10

Safe zone — low bankruptcy risk

Return on EquityProfitability
29.6%9/10

Every $100 of equity generates 30 in profit

Debt/EquityHealth
0.279/10

Conservative balance sheet, low leverage

Revenue GrowthGrowth
21.5%8/10

Revenue surging 21.5% year-over-year

EPS GrowthGrowth
45.5%8/10

Earnings expanding 45.5% YoY

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

Areas to Watch

COST4 concerns · Avg: 2.5/10
Profit MarginProfitability
3.0%3/10

3.0% margin — thin

Operating MarginProfitability
3.7%3/10

Operating margin of 3.7%

PEG RatioValuation
5.142/10

Expensive relative to growth rate

P/E RatioValuation
52.6x2/10

Premium valuation, high expectations priced in

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

Comparative Analysis Report

WallStSmart Research

Bull Case : COST

The strongest argument for COST centers on Market Cap, Altman Z-Score, Return on Equity. Revenue growth of 21.5% demonstrates continued momentum.

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.

Bear Case : COST

The primary concerns for COST are Profit Margin, Operating Margin, PEG Ratio. A P/E of 52.6x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.

Bear Case : GSK

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

Key Dynamics to Monitor

COST profiles as a growth stock while GSK is a value play — different risk/reward profiles.

COST carries more volatility with a beta of 0.91 — expect wider price swings.

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

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

Bottom Line

GSK scores higher overall (66/100 vs 61/100), 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.

Costco Wholesale Corp

CONSUMER DEFENSIVE · DISCOUNT STORES · USA

Costco Wholesale Corporation (doing business as Costco Wholesale and also known simply as Costco) is an American multinational corporation which operates a chain of membership-only (needing a membership to shop there) big-box retail stores. As of 2020, Costco was the fifth largest retailer in the world, and the world's largest retailer of choice and prime beef, organic foods, rotisserie chicken, and wine as of 2016.

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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.

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