COST · 10-Q · 2026Q2 · Full report
Same-Store Sales Growth
COSTCO WHOLESALE CORP /NEW · 2026-06-03 · Importance 54 · Surprise 40 · In source text
Comparable sales increased by $6,055 or 10% in the third quarter and $14,553 or 8% in the first thirty-six weeks of 2026, and were the primary driver of net sales growth in both periods. Drivers of comparable sales growth included average ticket increases of approximately 7% (quarter) and 5% (YTD) and shopping frequency increases of approximately 2% (quarter) and 3% (YTD). The remaining net sales increase was attributable to sales from 23 net new warehouses opened since the end of the third quarter of 2025. Digitally-enabled and warehouse sales both contributed to the comparable sales gains across U.S., Canadian and Other International operations.
Key facts
- Comparable sales were positively impacted by approximately 7% and 5% in average ticket and 2% and 3% in shopping frequency in the third quarter and first thirty-six weeks of 2026. source
- Comparable sales increased $6,055 or 10% during the third quarter of 2026. source
- Comparable sales increased $14,553 or 8% during the first thirty-six weeks of 2026. source
Impact estimates
| metric | direction | stage | expected | basis |
|---|---|---|---|---|
| revenue | positive | realized | +20.6% | Comparable sales increased $14,553 or 8% during the first thirty-six weeks of 2026. |
| revenue | positive | realized | +8.6% | Comparable sales increased $6,055 or 10% during the third quarter of 2026. |