In Q1'26, ONTO's operating cash flow stood at $26.3M USD, marking a significant decline from the previous quarter's $95.0M USD, while free cash flow was $22.7M USD, also down sharply from $89.9M USD in Q4'25. This latest data point reflects a challenging period for cash generation, potentially influenced by seasonal or operational factors. Over the period from Q2'23 to Q1'26, operating cash flow exhibited an overall upward trend, rising from $31.7M USD to peaks of $91.9M USD in Q1'25 and $95.0M USD in Q4'25, though with fluctuations including a dip to $57.9M USD in Q2'25 before the recent drop. Free cash flow followed a similar pattern, starting at $27.1M USD and reaching highs of $83.7M USD in Q1'25 and $89.9M USD in Q4'25, demonstrating consistent growth interrupted by moderate declines in Q3'23 ($21.0M USD) and Q2'25 ($44.2M USD). The bar chart highlights ONTO's improving cash efficiency over time, with free cash flow generally tracking closely to operating cash flow, indicating effective capital expenditure management amid volatility.