Costco August Sales Surge 9.9% Driven by E-commerce Growth

Key Facts

1Costco's August sales increased by 9.9% as demand remained resilient.

2Digitally enabled sales jumped 17.9% during the same period.

Amid sustained resilience in U.S. consumer spending, Costco Wholesale Corporation announced strong operating results for August. According to reports, the company's total sales increased by 9.9% during this period, driven by comparable sales growth across all geographic regions. This performance reflects the company's ability to maintain growth momentum despite broader macroeconomic challenges.

Digital channels emerged as a primary growth driver, with e-commerce sales jumping 17.9% during August. This digital expansion comes at a time when market data shows mixed retail performance globally; for instance, Japan's annual retail sales grew by 4% as of August 30, while Greece saw retail sales growth slow to 1.9% according to data from August 31, 2026.

In equity markets, COST stock stood at $925.41 at the close of September 3, 2026, having traded between a low of $915.31 and a high of $930.76 during the session. Investors are now watching the sustainability of this digital growth trend as inflation rates stabilize in major economies like Germany, which reported a 2.9% rate at the end of August per market data.