Costco Wholesale Corp (COST)vsMerck & Company Inc (MRK)
COST
Costco Wholesale Corp
$974.86
+0.11%
CONSUMER DEFENSIVE · Cap: $432.25B
MRK
Merck & Company Inc
$119.37
+2.58%
HEALTHCARE · Cap: $287.71B
Smart Verdict
WallStSmart Research — data-driven comparison
Costco Wholesale Corp generates 340% more annual revenue ($286.27B vs $65.01B). MRK leads profitability with a 28.1% profit margin vs 3.0%. MRK appears more attractively valued with a PEG of 3.49. MRK earns a higher WallStSmart Score of 59/100 (C).
COST
Buy53
out of 100
Grade: C-
MRK
Buy59
out of 100
Grade: C
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-74.7%
Fair Value
$558.15
Current Price
$974.86
$416.71 premium
Margin of Safety
-141.2%
Fair Value
$49.50
Current Price
$119.37
$69.87 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Mega-cap, among the largest globally
Safe zone — low bankruptcy risk
Every $100 of equity generates 30 in profit
Conservative balance sheet, low leverage
Generating 1.7B in free cash flow
Mega-cap, among the largest globally
Every $100 of equity generates 37 in profit
Strong operational efficiency at 32.8%
Keeps 28 of every $100 in revenue as profit
Attractively priced relative to earnings
Generating 1.8B in free cash flow
Areas to Watch
Trading at 13.5x book value
3.0% margin — thin
Operating margin of 3.7%
Expensive relative to growth rate
Weak financial health signals
Expensive relative to growth rate
Earnings declined 19.3%
Comparative Analysis Report
WallStSmart ResearchBull Case : COST
The strongest argument for COST centers on Market Cap, Altman Z-Score, Return on Equity.
Bull Case : MRK
The strongest argument for MRK centers on Market Cap, Return on Equity, Operating Margin. Profitability is solid with margins at 28.1% and operating margin at 32.8%.
Bear Case : COST
The primary concerns for COST are Price/Book, Profit Margin, Operating Margin. A P/E of 50.7x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.
Bear Case : MRK
The primary concerns for MRK are Piotroski F-Score, PEG Ratio, EPS Growth.
Key Dynamics to Monitor
COST carries more volatility with a beta of 0.99 — expect wider price swings.
COST is growing revenue faster at 9.2% — sustainability is the question.
MRK generates stronger free cash flow (1.8B), providing more financial flexibility.
Monitor DISCOUNT STORES industry trends, competitive dynamics, and regulatory changes.
Bottom Line
MRK scores higher overall (59/100 vs 53/100), backed by strong 28.1% margins. Both earn "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.
Visit Website →Merck & Company Inc
HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA
Merck & Co. is an American multinational pharmaceutical company headquartered in Kenilworth, New Jersey. It is named after the Merck family, which set up Merck Group in Germany in 1668.
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