As of Q4'25, UNH's EV/Sales ratio stands at 3.10, marking a significant decrease from its recent peak of 5.71 in Q2'24. This latest data point reflects a continued downward trend from earlier quarters, with the ratio dropping sharply from 5.13 in Q1'24 and 4.76 in Q4'24. From Q1'23 to Q4'25, the EV/Sales ratio for UNH exhibited notable volatility, initially rising from 5.27 in Q1'23 to a high of 5.71 in Q2'24 before entering a pronounced decline. The sharpest drop occurred between Q2'24 and Q2'25, where the ratio fell from 5.71 to 2.50, indicating a substantial contraction in valuation relative to sales. While there was a modest rebound to 3.41 in Q3'25, the overall trend over the observed period is downward, suggesting a shift in market sentiment or underlying fundamentals impacting the company's valuation multiple.