Costco October sales rise 12.6%, with underlying comparable growth near 7%

Costco reported October retail-month net sales of $24.50 billion for the four weeks ended November 1, 2026, up 12.6% from a year earlier. Sales for the first nine weeks of fiscal 2027 reached $54.52 billion, up 12.8%. Total company comparable sales rose 11.1% for the month, but stripping out gasoline price and currency effects the figure was 7.3%, with U.S. comparables at 8.1% on that basis. Digitally initiated sales grew 22.5% in October. The network stood at 943 warehouses at period end, 651 of them in the U.S. and Puerto Rico.

1. October 2026 net sales were $24.50 billion for the four weeks ended November 1, 2026, up 12.6% from $21.75 billion a year earlier.
2. Net sales for the first nine weeks were $54.52 billion, up 12.8% from $48.33 billion.
3. Total company comparable sales rose 11.1% in October and 11.3% over nine weeks.
4. Excluding gasoline price and foreign exchange effects, total company comparable sales rose 7.3% in October and 7.5% over nine weeks; U.S. was 8.1% on that basis for both periods.
5. Digitally-enabled sales grew 22.5% year over year in October and 20.5% over nine weeks.
6. Costco operated 943 warehouses, including 651 in the United States and Puerto Rico.