The latest data point for VST's Revenue Surprise % in Q4'25 shows a negative surprise of -0.21%, indicating that actual revenue fell short of analyst expectations by 20.8 basis points. Meanwhile, the Revenue Growth (YoY) for the same period reflects a modest positive growth of 0.14%, suggesting year-over-year revenue expansion despite the surprise shortfall. Over the period from Q1'23 to Q4'25, Revenue Surprise % has exhibited high volatility, starting with a strong positive of 1.34% in Q1'23, turning negative in Q2'23 at -0.46%, and fluctuating around zero with occasional spikes, such as 0.25% in Q3'24, before settling into consistent negatives below -0.10% from Q1'25 onward. In contrast, Revenue Growth (YoY) displays a more cyclical pattern, with peaks like 100.8% in Q2'23 and 53.9% in Q3'24, interspersed with declines such as -30.9% in Q1'24 and -20.9% in Q3'25, overall trending toward moderate stability in the later quarters amid mixed performance.