As of the latest data point for ONTO, the PEG Ratio (5yr expected) stands at -3.05 as of Q4'25. This represents a significant decline from the previous quarter, where the ratio was -3.48 in Q3'25, continuing a downward trend in the latter part of the observed period. Over the timeframe from Q1'23 to Q4'25, the PEG Ratio has exhibited considerable volatility, swinging between negative and positive values. Notable spikes include a peak at 4.05 in Q2'24 and a trough at -5.64 in Q4'24. Despite intermittent recoveries, the overall trend remains unstable, with sharp fluctuations suggesting inconsistent growth expectations relative to earnings, which may indicate shifting market sentiment or changes in earnings forecasts during this period.