Costco sales jump 11%, revenue tops Wall Street expectations

Costco Q3 2026 earnings beat on record gas sales, e-commerce

Costco Q3 net sales hit $69.15B (+11.6% YoY), beating consensus on record gas volumes and e-commerce +21.5%. App visits +37% and 89.7% membership renewal confirm omnichannel loyalty flywheels hold — benchmark for B2C retention and digital conversion.