COST vs MELI: Which Is the Better Buy?

Side-by-side comparison of Costco Wholesale Corporation and MercadoLibre, Inc. β€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-05-09.
Costco Wholesale Corporation Β· Consumer Defensive
$999.89
-20.7% upside to fair value
Grade D High Quality
VS
MercadoLibre, Inc. Β· Consumer Cyclical
$1,632.52
+45.0% upside to fair value
Grade B High Quality
QuantHub Verdict
MELI has more upside to fair value (+45.0%). MELI trades at a lower forward P/E (43.1x). These are model outputs β€” not personalized investment advice. See all research β†’
Valuation & Fundamentals
Metric COST MELI
Current Price $999.89 $1,632.52
Fair Value Estimate $793.02 $2,367.15
Upside to Fair Value -20.7% +45.0%
Market Cap $443.6B $82.8B
Forward P/E 51.9x 43.1x
EV / EBITDA 30.9x 22.5x
Price / Sales 1.6x 2.7x
Price / FCF 48.8x 7.2x
Revenue Growth YoY +9.2% +30.0%
Gross Margin 12.9% 45.5%
Operating Margin 3.8% 9.9%
Return on Equity 28.8% 29.6%
Dividend Yield 0% 0%
FCF Yield 2.05% 13.89%
Analyst Consensus Buy Strong Buy
Investment Thesis
COST β€” Costco Wholesale Corporation
Costco Wholesale Corporation operates a global membership-based warehouse club model that leverages scale, low costs, and superior employee retention to deliver consistent revenue and earnings growth. The company reported $269.9 billion in net sales for fiscal 2025 with an 8% year-over-year increase, driven by strong segments in Foods and Sundries and membership fees exceeding $5.65 billion in th…
MELI β€” MercadoLibre, Inc.
MercadoLibre, Inc. operates a leading e-commerce and fintech platform in Latin America, combining a dominant commerce marketplace with a rapidly growing fintech segment. The company benefits from a durable competitive moat driven by network effects, strong brand recognition, and a comprehensive logistics infrastructure. Despite a recent earnings growth decline of 15.6% in the most recent quarter,…
Accumulation Zones
Metric COST MELI
Zone Low $594.76 $1,775.36
Zone High $674.07 $2,012.08
In Buy Zone? No Yes
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