Costco Wholesale (COST) Monthly Sales Update October 2026 summary

Sales performance

• October retail month (four weeks ended Nov. 1, 2026) net sales were $24.50B, up 12.6% YoY from $21.75B.

• First nine weeks net sales were $54.52B, up 12.8% YoY from $48.33B.

Comparable sales

• Four-week/nine-week reported comps: U.S. 12.6%/12.5%; Canada 4.9%/5.7%; Other International 9.4%/10.2%; total 11.1%/11.3%.

• Excluding gasoline-price and FX impacts, four-week/nine-week comps: U.S. 8.1%/8.1%; Canada 3.5%/4.3%; Other International 6.9%/7.4%; total 7.3%/7.5%.

Customer and digital trends

• Digitally enabled sales rose 22.5% reported and 22.6% excluding FX over four weeks; nine-week increases were 20.5% and 20.6%, respectively.

• Traffic rose 4.1% worldwide and 3.8% in the U.S.; average transaction increased 6.8% worldwide including gas inflation and FX, and 3.1% excluding both.

• Gas price inflation added ~3.9% to reported comps; average worldwide selling price per gallon rose 35.5% YoY. FX impacts were Canada -~1%, Other International +~0.3%, and total -~0.1%.