Consumer / Retail
Membership-only warehouse club operating over 870 locations globally, known for bulk goods and high member loyalty.
View forensic reportBoth trade at premium multiples, but Walmart's advertising-driven margin expansion and accelerating dividend growth create a widening capital allocation advantage over Costco's consistency.
Costco's membership model is exceptional. At 51.8x trailing earnings — the most expensive large-cap retailer on earth — the capital allocation math no longer works, even for a company this good.
Membership fee revenue funds 100% of operating profit. Renewal rates top 92%. The data reveals a subscription business hiding inside a warehouse retailer.
Costco at 53x earnings commands a 40% premium over Walmart at 38x. With faster margin expansion, a $5 billion ad business, and 2.5x the net income, Walmart gets our vote.
At 52.9x trailing earnings with a 3% profit margin, Costco looks absurdly overvalued. Four structural factors explain why the premium is not just justified — it may be too low.