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Costco Q3 Earnings Preview: Strong Growth, High Valuation

Costco (COST) is set to report its Q3 FY2026 earnings on May 28, with expectations of strong membership and digital sales growth. However, the stock's high valuation may deter new buyers.

May 26, 2026
2 min read
Source: Zacks
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Key Numbers

fiscal quarter
Q3 FY2026
earnings date
May 28, 2026

Costco Wholesale Corporation (COST) will release its fiscal third-quarter 2026 earnings on May 28, with analysts anticipating robust growth driven by membership increases and digital expansion. Despite the positive outlook, the stock's elevated valuation is a key concern for potential investors.

Key Financial Metrics

MetricQ3 2026 (Est.)Q3 2025 (Actual)Change
RevenueTBA$58.5BExpected growth
Net IncomeTBA$1.4BExpected growth
EPSTBA$3.17Expected increase

Highlights from the Report

No report has been issued yet, but analysts are focusing on:

  • Membership growth: Expected increase in total members, especially Executive members.
  • Digital sales: Continued momentum after a strong previous quarter.
  • Inflationary pressures: Impact of rising costs on profit margins.

Guidance

Costco has not provided formal guidance. Management may offer qualitative commentary on the outlook for Q4.

Impact on Stock

Costco trades at a P/E ratio above 40x, well above the sector average. A positive earnings surprise could push the stock higher, while any disappointment may lead to a correction.

What This Means for Investors

New investors may want to wait for the results to gauge actual performance against expectations. Existing holders can benefit from ongoing growth but should monitor valuation.

Frequently Asked Questions

Costco will report its fiscal Q3 2026 earnings on May 28, 2026.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.