As of Q4'25, ONTO's P/S Ratio has surged to 30.67, marking a significant spike compared to previous quarters. This latest data point represents a dramatic increase from the prior quarter's value of 6.44. Analyzing the period from Q1'23 to Q4'25, the P/S Ratio exhibited notable volatility. After a steady climb from 4.17 in Q1'23 to a peak of 12.15 in Q1'24, the ratio fluctuated, declining to 4.38 by Q2'25 before abruptly jumping to its current high. This sharp rise in Q4'25 stands out as a major inflection point, indicating a sudden change in market sentiment or company fundamentals.