As of Q1'26 (2025-11-23), Costco's latest gross margin stands at 12.9%, operating margin at 3.66%, and net profit margin at approximately 2.97%. These figures reflect a slight improvement in operating and net profit margins compared to the previous quarter, while the gross margin remains stable. Over the period from Q2'23 to Q1'26, Costco's profit margins have demonstrated relative stability with modest fluctuations. Gross margin has consistently hovered between 12.1% and 13%, showing resilience without significant volatility. Operating margin has gradually improved from 3.13% in Q3'23 to a peak of 4% in Q3'25, before settling slightly lower in the latest quarter. Net profit margin has remained steady in the 2.4%-3% range, indicating consistent profitability despite minor quarter-to-quarter variations.