As of Q4'25, VST's cash and short-term investments stood at $816M USD, reflecting a moderate increase from $602M in Q3'25 but remaining well below the peak of $3.485B in Q4'23. In contrast, total debt reached $20.512B USD, up significantly from $17.663B in Q3'25 and marking the highest level in the period. Over the timeframe from Q1'23 to Q4'25, cash and short-term investments exhibited high volatility, surging from $518M to a high of $3.485B in Q4'23 before declining sharply to $458M in Q2'25 and partially recovering to $816M, indicating inconsistent liquidity management possibly tied to operational cash flows or investments. Debt showed a consistent upward trend, rising from $12.621B in Q1'23 to $20.512B in Q4'25 with minor fluctuations, such as a dip to $9.05B cash offset by debt growth in Q3'24, resulting in a net debt position that has steadily worsened and now exceeds cash by over 25 times, signaling increasing leverage and potential refinancing needs for financial analysts to monitor.