The latest data point for VST's Return on Sales (ROS) in Q4'25 stands at 12.63%, reflecting a moderate positive performance after a volatile year. This value indicates a recovery from the negative territory observed earlier in 2025, though it remains below the peak levels seen in mid-2024. Over the period from Q1'23 to Q4'25, VST's ROS has exhibited a clear downward trend overall, declining from 24.50% to a low of -3.18% in Q1'25, driven by significant drops in Q4'23 (4.68%) and Q1'24 (3.77%). Notable volatility emerged in 2024 with a sharp rebound to 44.13% in Q3'24, followed by fluctuations including a brief negative shift in early 2025, before stabilizing in the 12-23% range in the latter half of the year. This pattern suggests operational challenges impacting profitability margins, interspersed with periodic improvements, warranting close monitoring for sustained recovery.