The latest data point for LULU's ROS in Q4'26 stands at 22.34%, reflecting a moderate uptick from the preceding quarter's low of 17.22% in Q3'26 and indicating seasonal strength typical of year-end performance. Over the period from Q1'24 to Q4'26, ROS has exhibited volatility with an overall stable to slightly upward trend, fluctuating between a low of 15.79% in Q3'24 and a high of 29.27% in Q4'25, driven by quarterly variations that show resilience in Q4 periods (averaging around 26.97%) compared to softer Q1 and Q3 results (averaging 20.04% and 18.00%, respectively). This pattern suggests operational efficiencies peaking during holiday-driven sales, though persistent dips in non-peak quarters highlight potential challenges in maintaining consistent margins amid market pressures.