Costco (COST) Q3 2026 earnings

Key Points:

• Costco experienced record-breaking gas volumes in its fiscal third quarter, driven by rising fuel prices and increased demand amid the Middle East conflict, with the final five weeks marking its top volume weeks ever.
• The company reported net sales of $69.15 billion, an 11.6% increase year-over-year, beating Wall Street expectations, and saw adjusted comparable sales rise 6.6%, with digital sales up nearly 21%.
• Net income for the quarter reached $2.19 billion, or $4.93 per share, compared to $1.9 billion, or $4.28 per share, the previous year, while paid memberships grew 4.1% and website/app traffic increased by 37%.
• CEO Ron Vachris highlighted the influx of first-time members using Costco gas stations, which is expected to boost future loyalty and warehouse spending, and reaffirmed the company’s commitment to offering quality goods at low prices amid macroeconomic uncertainty.
• Costco has started submitting tariff refund claims following a Supreme Court decision and plans to pass any received refunds back to members, aiming to be the first to lower prices and the last to raise them.