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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 monthly retail net sales (4- or 5-week retail month) ($M)

September 2026 (5-week first retail month of FY2027, ended Oct 4, 2026) net sales were $26,860M (+10.9% YoY).

Latest, Sep 2026
30,020
Period ended Sep 28, 2026
Change on a year earlier
+12.9%
26,580 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

PeriodEndedMonthly retail net sales (4- or 5-week retail month) ($M)Year on yearSource
Sep 2026Sep 28, 202630,020+12.9%Costco September 2026 Sales Release (2026-10-07) ↗
Aug 2026Aug 28, 202623,700+9.9%Costco August 2026 Sales Release (2026-09-02) ↗
Jul 2026Jul 28, 202623,120+10.7%Costco July 2026 Sales Release (2026-08-05) ↗
Jun 2026Jun 28, 202629,240+10.6%Costco June 2026 Sales Release (2026-07-08) ↗
May 2026May 28, 202624,010+14.5%Costco May 2026 Sales Release (2026-06-03) ↗
Apr 2026Apr 28, 202623,920+12.9%Costco April 2026 Sales Release (2026-05-06) ↗
Mar 2026Mar 28, 202628,410+11.4%Costco March 2026 Sales Release (2026-04-08) ↗
Feb 2026Feb 28, 202621,690+9.5%Costco February 2026 Sales Release (2026-03-05) ↗
Jan 2026Jan 28, 202621,330+9.3%Costco January 2026 Sales Release (2026-02-04) ↗
Dec 2025Dec 28, 202529,860+8.5%Costco December 2025 Sales Release (2026-01-07) ↗
Nov 2025Nov 28, 202523,640+8.1%Costco November 2025 Sales Release (2025-12-03) ↗
Oct 2025Oct 28, 202521,750+8.6%Costco October 2025 Sales Release (2025-11-05) ↗
Sep 2025Sep 28, 202526,580+8.0%Costco September 2025 Sales Release (2025-10-08) ↗
Aug 2025Aug 28, 202521,560+8.7%Costco August 2025 Sales Release (2025-09-04) ↗
Jul 2025Jul 28, 202520,890+8.5%Costco July 2025 Sales Release (2025-08-06) ↗
Jun 2025Jun 28, 202526,440+8.0%Costco June 2025 Sales Release (2025-07-09) ↗

Breakdown

What makes up monthly retail net sales (4- or 5-week retail month)

Cite this data

StockData. (2026). Costco Wholesale Monthly retail net sales (4- or 5-week retail month) ($M), monthly Jan 2017–Sep 2026 [Data set]. Compiled from Costco Wholesale SEC filings and investor materials. https://stockdatahq.com/stocks/cost/kpis/monthly-net-sales-m

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