The latest data point for COST's P/S Ratio in Q2'26 stands at 6.50, marking a substantial increase from the previous quarter's value of 1.37 in Q1'26 and reflecting heightened market valuation relative to sales in this period. Over the timeframe from Q3'23 to Q2'26, the P/S Ratio exhibited a general upward trend, rising steadily from 0.97 in Q3'23 to a peak of 1.67 in Q3'25, before experiencing volatility with a dip to 1.37 in Q1'26 and a sharp surge to 6.50 in Q2'26. This pattern suggests growing investor optimism about COST's revenue growth potential, though the recent spike may indicate overvaluation risks or sector-specific catalysts, warranting close monitoring for sustainability.