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Costco Wholesale Corp (COST) operating KPIs

COSTNasdaqRetail-Variety StoresFiscal year ends August 30
Financials through Q4 FY2026, quarter ended Aug 30, 2026Last filing: 10-K on Oct 7, 2026Score 17/3057% above fair value
$1012.28+16.20 (+1.63%)

Close on Oct 30, 2026Market cap $448.93BP/E 48.8Yield 0.55%

Costco Wholesale comparable sales growth y/y — Total Company (Reported) (%)

Form 8-K Earnings Releases (EX-99.1), Supplemental Slides (EX-99.2) & Monthly Sales Releases

QuarterlyAnnualMonthly
Latest, Sep 2026
11.4%
Period ended Sep 28, 2026
Change on a year earlier
+5.7 pts
5.7% in Sep 2025
History
117 months
Since Jan 2017
Sources
117
Documents cited below

Monthly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedComparable sales growth y/y — Total Company (Reported) (%)Year on yearSource
Sep 2026Sep 28, 202611.4%+5.7 ptsCostco September 2026 Sales Release (2026-10-07) ↗
Aug 2026Aug 28, 20268.4%+2.1 ptsCostco August 2026 Sales Release (2026-09-02) ↗
Jul 2026Jul 28, 20268.9%+2.5 ptsCostco July 2026 Sales Release (2026-08-05) ↗
Jun 2026Jun 28, 20268.8%+3.0 ptsCostco June 2026 Sales Release (2026-07-08) ↗
May 2026May 28, 202612.5%+8.2 ptsCostco May 2026 Sales Release (2026-06-03) ↗
Apr 2026Apr 28, 202611.6%+7.2 ptsCostco April 2026 Sales Release (2026-05-06) ↗
Mar 2026Mar 28, 20269.4%+3.0 ptsCostco March 2026 Sales Release (2026-04-08) ↗
Feb 2026Feb 28, 20267.9%+1.4 ptsCostco February 2026 Sales Release (2026-03-05) ↗
Jan 2026Jan 28, 20267.1%-0.4 ptsCostco January 2026 Sales Release (2026-02-04) ↗
Dec 2025Dec 28, 20257.0%-0.4 ptsCostco December 2025 Sales Release (2026-01-07) ↗
Nov 2025Nov 28, 20256.9%+3.8 ptsCostco November 2025 Sales Release (2025-12-03) ↗
Oct 2025Oct 28, 20256.6%+1.5 ptsCostco October 2025 Sales Release (2025-11-05) ↗
Sep 2025Sep 28, 20255.7%-1.0 ptsCostco September 2025 Sales Release (2025-10-08) ↗
Aug 2025Aug 28, 20256.3%+1.3 ptsCostco August 2025 Sales Release (2025-09-04) ↗
Jul 2025Jul 28, 20256.4%+1.2 ptsCostco July 2025 Sales Release (2025-08-06) ↗
Jun 2025Jun 28, 20255.8%+0.5 ptsCostco June 2025 Sales Release (2025-07-09) ↗

Breakdown

What makes up comparable sales growth y/y — total company (reported)

Cite this data

StockData. (2026). Costco Wholesale Comparable sales growth y/y — Total Company (Reported) (%), monthly Jan 2017–Sep 2026 [Data set]. Compiled from Costco Wholesale SEC filings and investor materials. https://stockdatahq.com/stocks/cost/kpis/comp-rep-total

See every metric in the Costco Wholesale KPI table. Data updated Oct 24, 2026.