The latest data point for NVDA's Return on Sales (ROS) in Q4'26 stands at 74.1%, marking a notable improvement from the previous quarter and reflecting strong profitability margins at the end of the fiscal year. Over the period from Q1'24 to Q4'26, NVDA's ROS exhibits an overall upward trend, rising from 31.6% to 74.1% with steady growth through Q4'25, driven by consistent quarterly gains that peaked at 66.6% in Q3'26 before a minor dip to 49.9% in Q1'26 possibly indicating temporary pressures, followed by a robust recovery; this area chart highlights the company's enhancing operational efficiency amid expanding AI and semiconductor demand, though volatility in early 2026 underscores potential market sensitivities.