In Q3'26, KLAC's operating cash flow stood at $707M USD, marking a significant decline from the previous quarter's $1.37B USD, while free cash flow was $622M USD, also down sharply from $1.26B USD in Q2'26. This latest data point reflects a notable contraction in cash generation for the period ending March 31, 2026. Over the timeframe from Q4'23 to Q3'26, operating cash flow exhibited volatility with an overall upward trajectory, peaking at $1.37B USD in Q2'26 after fluctuating between $622M USD and $1.07B USD in earlier quarters, before the sharp drop in Q3'26. Free cash flow followed a similar pattern, rising steadily from $551M USD in Q2'24 to a high of $1.26B USD in Q2'26, underscoring improved efficiency in capital expenditures until the recent downturn, which may signal emerging pressures on core operations.