COST reported its earnings on 2026-05-28, showcasing a revenue of 70.53B against an estimate of 69.64B, resulting in a 1.28% surprise. The EPS was 4.93, surpassing the expected 4.91 by 0%. The stock experienced a -3.91% price change on the earnings day and a -3.35% change over the next five days, reflecting market reactions to the results.