COST vs UNH: Which Is the Better Buy?

Side-by-side comparison of Costco Wholesale Corporation and UnitedHealth Group Incorporated β€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-04-11.
Costco Wholesale Corporation Β· Consumer Defensive
$1,002.88
-35.4% upside to fair value
Grade C High Quality
VS
UnitedHealth Group Incorporated Β· Healthcare
$304.33
+41.3% upside to fair value
Med Conviction Grade B+
QuantHub Verdict
UNH has more upside to fair value (+41.3%). UNH trades at a lower forward P/E (15.1x). These are model outputs β€” not personalized investment advice. See all research β†’
Valuation & Fundamentals
Metric COST UNH
Current Price $1,002.88 $304.33
Fair Value Estimate $648.03 $430.00
Upside to Fair Value -35.4% +41.3%
Market Cap $444.9B $276.2B
Forward P/E 52.1x 15.1x
EV / EBITDA 31.0x 14.3x
Price / Sales 1.6x 0.6x
Price / FCF 49.0x 17.2x
Revenue Growth YoY +3.4% +11.8%
Gross Margin 12.9% 18.5%
Operating Margin 3.8% 4.2%
Return on Equity 28.8% 12.7%
Dividend Yield 0% 2.9%
FCF Yield 2.04% 5.82%
Analyst Consensus Strong Buy Buy
Investment Thesis
COST β€” Costco Wholesale Corporation
Costco Wholesale Corporation operates a global membership-based warehouse club model with over 900 warehouses across 14 countries, generating $254 billion in fiscal 2024 revenue. The company benefits from a durable competitive moat driven by scale advantages, a loyal membership base with high renewal rates, and superior employee retention through better wages and benefits. Despite steady revenue …
UNH β€” UnitedHealth Group Incorporated
UnitedHealth Group is the world's largest diversified healthcare company, combining the dominant US health insurer UnitedHealthcare with the high-margin Optum services platform spanning care delivery, pharmacy benefits, and data analytics. The stock has fallen roughly 49% from its 2024 peak of $596, driven by elevated medical costs, DOJ antitrust scrutiny, CEO transitions (Brian Thompson's murder…
Accumulation Zones
Metric COST UNH
Zone Low $486.02 $280.00
Zone High $550.83 $340.00
In Buy Zone? No Yes
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