As of Q4'25, ONTO's P/B Ratio stands at 3.90, reflecting a moderate increase from the previous quarter's value of 3.23. This latest data point suggests a partial recovery after a period of decline earlier in 2025. From Q1'23 to Q4'25, the P/B Ratio for ONTO displayed significant volatility. The ratio climbed steadily from 2.47 in Q1'23, peaking at 5.77 in Q1'24, before experiencing a sharp decline to 2.31 by Q2'25. The subsequent quarters show a rebound, with the P/B Ratio recovering to 3.90 by Q4'25, indicating fluctuating market sentiment and valuation over the observed period.