“Strong retailer, but an expensive entry leaves little room for error”
The case for
If membership income, digital commerce and international warehouse openings keep growing faster than costs, Costco can compound per-share earnings and preserve its leadership in the warehouse-club format. Continued investor confidence in its resilient model could support further share appreciation.
The case against
If consumer demand weakens, cost inflation rises or Walmart's convenience investments win more grocery spending, Costco's comparable sales and margin leverage could slow. A lower market valuation for its earnings could then produce a share-price decline despite continued business growth.
From Costco’s results
Quarterly net sales increased 11.2% to $93.9 billion; net income was $2.998 billion and diluted EPS was $6.75, including a $0.15-per-share non-recurring tariff-refund benefit. Full-year net income was $9.226 billion and diluted EPS was $20.76.
Source: Costco fourth-quarter and fiscal 2026 results, Sept 24, 2026
From Costco’s annual report
Costco intends to spend approximately $7.5 billion on capital expenditures and plans up to 33 warehouse openings, including five relocations, financed with operating cash, cash and short-term investments.
Source: Costco annual report (Form 10-K), fiscal 2026
AI-generated research from Nov 3, 2026, shortened for this page. Not a recommendation. AI can be wrong.