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 net sales growth y/y (stated) (%)

Costco Monthly Sales Press Releases (117 consecutive months, Jan 2017 → Sep 2026)

Latest, Sep 2026

13.0%

Period ended Sep 28, 2026

Change on a year earlier

+5.0 pts

8.0% in Sep 2025

History

111 months

Since Jul 2017

Sources

111

Documents cited below

Monthly history

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

Period	Ended	Monthly net sales growth y/y (stated) (%)	Year on year	Source
Sep 2026	Sep 28, 2026	13.0%	+5.0 pts	Costco September 2026 Sales Release (2026-10-07) ↗
Aug 2026	Aug 28, 2026	9.9%	+1.2 pts	Costco August 2026 Sales Release (2026-09-02) ↗
Jul 2026	Jul 28, 2026	10.7%	+2.2 pts	Costco July 2026 Sales Release (2026-08-05) ↗
Jun 2026	Jun 28, 2026	10.6%	+2.6 pts	Costco June 2026 Sales Release (2026-07-08) ↗
May 2026	May 28, 2026	14.5%	+7.7 pts	Costco May 2026 Sales Release (2026-06-03) ↗
Apr 2026	Apr 28, 2026	13.0%	+6.0 pts	Costco April 2026 Sales Release (2026-05-06) ↗
Mar 2026	Mar 28, 2026	11.3%	+2.7 pts	Costco March 2026 Sales Release (2026-04-08) ↗
Feb 2026	Feb 28, 2026	9.5%	+0.7 pts	Costco February 2026 Sales Release (2026-03-05) ↗
Jan 2026	Jan 28, 2026	9.3%	+0.1 pts	Costco January 2026 Sales Release (2026-02-04) ↗
Dec 2025	Dec 28, 2025	8.5%	-1.4 pts	Costco December 2025 Sales Release (2026-01-07) ↗
Nov 2025	Nov 28, 2025	8.1%	+2.5 pts	Costco November 2025 Sales Release (2025-12-03) ↗
Oct 2025	Oct 28, 2025	8.6%	+1.4 pts	Costco October 2025 Sales Release (2025-11-05) ↗
Sep 2025	Sep 28, 2025	8.0%	-1.0 pts	Costco September 2025 Sales Release (2025-10-08) ↗
Aug 2025	Aug 28, 2025	8.7%	+1.6 pts	Costco August 2025 Sales Release (2025-09-04) ↗
Jul 2025	Jul 28, 2025	8.5%	+1.4 pts	Costco July 2025 Sales Release (2025-08-06) ↗
Jun 2025	Jun 28, 2025	8.0%	+0.6 pts	Costco June 2025 Sales Release (2025-07-09) ↗
May 2025	May 28, 2025	6.8%	-1.3 pts	Costco May 2025 Sales Release (2025-06-04) ↗
Apr 2025	Apr 28, 2025	7.0%	-0.1 pts	Costco April 2025 Sales Release (2025-05-07) ↗
Mar 2025	Mar 28, 2025	8.6%	-0.8 pts	Costco March 2025 Sales Release (2025-04-09) ↗
Feb 2025	Feb 28, 2025	8.8%	+1.9 pts	Costco February 2025 Sales Release (2025-03-06) ↗
Jan 2025	Jan 28, 2025	9.2%	+4.7 pts	Costco January 2025 Sales Release (2025-02-05) ↗
Dec 2024	Dec 28, 2024	9.9%	0.0 pts	Costco December 2024 Sales Release (2025-01-08) ↗
Nov 2024	Nov 28, 2024	5.6%	+0.5 pts	Costco November 2024 Sales Release (2024-12-04) ↗
Oct 2024	Oct 28, 2024	7.2%	+2.7 pts	Costco October 2024 Sales Release (2024-11-06) ↗
Sep 2024	Sep 28, 2024	9.0%	+3.0 pts	Costco September 2024 Sales Release (2024-10-09) ↗
Aug 2024	Aug 28, 2024	7.1%	+2.1 pts	Costco August 2024 Sales Release (2024-09-05) ↗
Jul 2024	Jul 28, 2024	7.1%	+2.6 pts	Costco July 2024 Sales Release (2024-08-07) ↗
Jun 2024	Jun 28, 2024	7.4%	+7.0 pts	Costco June 2024 Sales Release (2024-07-10) ↗
May 2024	May 28, 2024	8.1%	+6.9 pts	Costco May 2024 Sales Release (2024-06-05) ↗
Apr 2024	Apr 28, 2024	7.1%	+4.1 pts	Costco April 2024 Sales Release (2024-05-08) ↗
Mar 2024	Mar 28, 2024	9.4%	+8.9 pts	Costco March 2024 Sales Release (2024-04-10) ↗
Feb 2024	Feb 28, 2024	6.9%	+2.2 pts	Costco February 2024 Sales Release (2024-03-07) ↗
Jan 2024	Jan 28, 2024	4.5%	-2.4 pts	Costco January 2024 Sales Release (2024-02-07) ↗
Dec 2023	Dec 28, 2023	9.9%	+2.9 pts	Costco December 2023 Sales Release (2024-01-04) ↗
Nov 2023	Nov 28, 2023	5.1%	-0.6 pts	Costco November 2023 Sales Release (2023-11-29) ↗
Oct 2023	Oct 28, 2023	4.5%	-3.2 pts	Costco October 2023 Sales Release (2023-11-01) ↗
Sep 2023	Sep 28, 2023	6.0%	-4.1 pts	Costco September 2023 Sales Release (2023-10-04) ↗
Aug 2023	Aug 28, 2023	5.0%	-6.4 pts	Costco August 2023 Sales Release (2023-08-30) ↗
Jul 2023	Jul 28, 2023	4.5%	-6.3 pts	Costco July 2023 Sales Release (2023-08-02) ↗
Jun 2023	Jun 28, 2023	0.4%	-20.0 pts	Costco June 2023 Sales Release (2023-07-06) ↗
May 2023	May 28, 2023	1.2%	-15.7 pts	Costco May 2023 Sales Release (2023-06-01) ↗
Apr 2023	Apr 28, 2023	3.0%	-10.9 pts	Costco April 2023 Sales Release (2023-05-03) ↗
Mar 2023	Mar 28, 2023	0.5%	-18.2 pts	Costco March 2023 Sales Release (2023-04-05) ↗
Feb 2023	Feb 28, 2023	4.7%	-11.2 pts	Costco February 2023 Sales Release (2023-03-02) ↗
Jan 2023	Jan 28, 2023	6.9%	-8.6 pts	Costco January 2023 Sales Release (2023-02-01) ↗
Dec 2022	Dec 28, 2022	7.0%	-9.2 pts	Costco December 2022 Sales Release (2023-01-05) ↗
Nov 2022	Nov 28, 2022	5.7%	-10.0 pts	Costco November 2022 Sales Release (2022-11-30) ↗
Oct 2022	Oct 28, 2022	7.7%	-11.5 pts	Costco October 2022 Sales Release (2022-11-02) ↗
Sep 2022	Sep 28, 2022	10.1%	-5.7 pts	Costco September 2022 Sales Release (2022-10-05) ↗
Aug 2022	Aug 28, 2022	11.4%	-4.8 pts	Costco August 2022 Sales Release (2022-08-31) ↗
Jul 2022	Jul 28, 2022	10.8%	-5.8 pts	Costco July 2022 Sales Release (2022-08-03) ↗
Jun 2022	Jun 28, 2022	20.4%	+3.5 pts	Costco June 2022 Sales Release (2022-07-07) ↗
May 2022	May 28, 2022	16.9%	-7.3 pts	Costco May 2022 Sales Release (2022-06-02) ↗
Apr 2022	Apr 28, 2022	13.9%	-19.6 pts	Costco April 2022 Sales Release (2022-05-04) ↗
Mar 2022	Mar 28, 2022	18.7%	+1.1 pts	Costco March 2022 Sales Release (2022-04-06) ↗
Feb 2022	Feb 28, 2022	15.9%	+0.7 pts	Costco February 2022 Sales Release (2022-03-03) ↗
Jan 2022	Jan 28, 2022	15.5%	-2.4 pts	Costco January 2022 Sales Release (2022-02-02) ↗
Dec 2021	Dec 28, 2021	16.2%	+3.9 pts	Costco December 2021 Sales Release (2022-01-05) ↗
Nov 2021	Nov 28, 2021	15.7%	+0.6 pts	Costco November 2021 Sales Release (2021-12-01) ↗
Oct 2021	Oct 28, 2021	19.2%	+3.3 pts	Costco October 2021 Sales Release (2021-11-03) ↗
Sep 2021	Sep 28, 2021	15.8%	-1.1 pts	Costco September 2021 Sales Release (2021-10-06) ↗
Aug 2021	Aug 28, 2021	16.2%	+1.2 pts	Costco August 2021 Sales Release (2021-09-01) ↗
Jul 2021	Jul 28, 2021	16.6%	+2.5 pts	Costco July 2021 Sales Release (2021-08-04) ↗
Jun 2021	Jun 28, 2021	16.9%	+5.8 pts	Costco June 2021 Sales Release (2021-07-08) ↗
May 2021	May 28, 2021	24.2%	+16.7 pts	Costco May 2021 Sales Release (2021-06-03) ↗
Apr 2021	Apr 28, 2021	33.5%	+35.3 pts	Costco April 2021 Sales Release (2021-05-05) ↗
Mar 2021	Mar 28, 2021	17.6%	+5.9 pts	Costco March 2021 Sales Release (2021-04-07) ↗
Feb 2021	Feb 28, 2021	15.2%	+1.4 pts	Costco February 2021 Sales Release (2021-03-04) ↗
Jan 2021	Jan 28, 2021	17.9%	+9.9 pts	Costco January 2021 Sales Release (2021-02-03) ↗
Dec 2020	Dec 28, 2020	12.3%	+1.8 pts	Costco December 2020 Sales Release (2021-01-06) ↗
Nov 2020	Nov 28, 2020	15.1%	+8.4 pts	Costco November 2020 Sales Release (2020-12-02) ↗
Oct 2020	Oct 28, 2020	15.9%	+9.1 pts	Costco October 2020 Sales Release (2020-11-04) ↗
Sep 2020	Sep 28, 2020	16.9%	+11.3 pts	Costco September 2020 Sales Release (2020-10-07) ↗
Aug 2020	Aug 28, 2020	15.0%	+8.1 pts	Costco August 2020 Sales Release (2020-09-02) ↗
Jul 2020	Jul 28, 2020	14.1%	+6.2 pts	Costco July 2020 Sales Release (2020-08-05) ↗
Jun 2020	Jun 28, 2020	11.1%	+3.6 pts	Costco June 2020 Sales Release (2020-07-08) ↗
May 2020	May 28, 2020	7.5%	+1.6 pts	Costco May 2020 Sales Release (2020-06-03) ↗
Apr 2020	Apr 28, 2020	-1.8%	-9.1 pts	Costco April 2020 Sales Release (2020-05-06) ↗
Mar 2020	Mar 28, 2020	11.7%	+4.3 pts	Costco March 2020 Sales Release (2020-04-08) ↗
Feb 2020	Feb 28, 2020	13.8%	+8.8 pts	Costco February 2020 Sales Release (2020-03-05) ↗
Jan 2020	Jan 28, 2020	8.0%	0.0 pts	Costco January 2020 Sales Release (2020-02-05) ↗
Dec 2019	Dec 28, 2019	10.5%	+2.7 pts	Costco December 2019 Sales Release (2020-01-08) ↗
Nov 2019	Nov 28, 2019	6.7%	-3.1 pts	Costco November 2019 Sales Release (2019-12-04) ↗
Oct 2019	Oct 28, 2019	6.8%	-3.8 pts	Costco October 2019 Sales Release (2019-11-06) ↗
Sep 2019	Sep 28, 2019	5.6%	-4.7 pts	Costco September 2019 Sales Release (2019-10-09) ↗
Aug 2019	Aug 28, 2019	6.9%	-5.3 pts	Costco August 2019 Sales Release (2019-09-05) ↗
Jul 2019	Jul 28, 2019	7.9%	-2.2 pts	Costco July 2019 Sales Release (2019-08-07) ↗
Jun 2019	Jun 28, 2019	7.5%	-4.2 pts	Costco June 2019 Sales Release (2019-07-10) ↗
May 2019	May 28, 2019	5.9%	-8.2 pts	Costco May 2019 Sales Release (2019-06-05) ↗
Apr 2019	Apr 28, 2019	7.3%	-5.8 pts	Costco April 2019 Sales Release (2019-05-08) ↗
Mar 2019	Mar 28, 2019	7.4%	-3.5 pts	Costco March 2019 Sales Release (2019-04-10) ↗
Feb 2019	Feb 28, 2019	5.0%	-7.8 pts	Costco February 2019 Sales Release (2019-03-07) ↗
Jan 2019	Jan 28, 2019	8.0%	-0.4 pts	Costco January 2019 Sales Release (2019-02-06) ↗
Dec 2018	Dec 28, 2018	7.8%	-6.5 pts	Costco December 2018 Sales Release (2019-01-09) ↗
Nov 2018	Nov 28, 2018	9.8%	-3.4 pts	Costco November 2018 Sales Release (2018-12-06) ↗
Oct 2018	Oct 28, 2018	10.6%	+0.5 pts	Costco October 2018 Sales Release (2018-11-07) ↗
Sep 2018	Sep 28, 2018	10.3%	-1.8 pts	Costco September 2018 Sales Release (2018-10-10) ↗
Aug 2018	Aug 28, 2018	12.2%	+2.2 pts	Costco August 2018 Sales Release (2018-09-06) ↗
Jul 2018	Jul 28, 2018	10.1%	+1.3 pts	Costco July 2018 Sales Release (2018-08-08) ↗
Jun 2018	Jun 28, 2018	11.7%	–	Costco June 2018 Sales Release (2018-07-11) ↗
May 2018	May 28, 2018	14.1%	–	Costco May 2018 Sales Release (2018-06-06) ↗
Apr 2018	Apr 28, 2018	13.1%	–	Costco April 2018 Sales Release (2018-05-09) ↗
Mar 2018	Mar 28, 2018	10.9%	–	Costco March 2018 Sales Release (2018-04-11) ↗
Feb 2018	Feb 28, 2018	12.8%	–	Costco February 2018 Sales Release (2018-03-07) ↗
Jan 2018	Jan 28, 2018	8.4%	–	Costco January 2018 Sales Release (2018-02-07) ↗
Dec 2017	Dec 28, 2017	14.3%	–	Costco December 2017 Sales Release (2018-01-03) ↗
Nov 2017	Nov 28, 2017	13.2%	–	Costco November 2017 Sales Release (2017-11-29) ↗
Oct 2017	Oct 28, 2017	10.1%	–	Costco October 2017 Sales Release (2017-11-01) ↗
Sep 2017	Sep 28, 2017	12.1%	–	Costco September 2017 Sales Release (2017-10-05) ↗
Aug 2017	Aug 28, 2017	10.0%	–	Costco August 2017 Sales Release (2017-08-30) ↗
Jul 2017	Jul 28, 2017	8.8%	–	Costco July 2017 Sales Release (2017-08-02) ↗

Cite this data

StockData. (2026). Costco Wholesale Monthly net sales growth y/y (stated) (%), monthly Jul 2017–Sep 2026 [Data set]. Compiled from Costco Wholesale SEC filings and investor materials. https://stockdatahq.com/stocks/cost/kpis/monthly-net-sales-yoy

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

Where these numbers come from

Parsed from the XBRL in Costco Wholesale's annual and quarterly filings with the SEC
Per-share figures adjusted for the 2-for-1 split on Jan 14, 2000
Fourth quarters derived from the annual report minus nine months
Every figure in the statements links to its source filing