The latest data point for Visa's Return on Sales (ROS) in Q1'26 stands at 63.5%, reflecting a modest recovery from the previous quarter's low of 60.0% in Q4'25, though it remains below the peak of 72.1% observed in Q1'24. Over the period from Q2'23 to Q1'26, ROS has exhibited a generally declining trend with moderate volatility, starting at 67.9% and gradually eroding to an average around 65% amid fluctuations such as a brief uptick to 69.5% in Q3'24 before resuming downward pressure, possibly indicating margin compression from competitive or cost-related factors in the payments sector.