The latest data point for IONQ's P/B Ratio in Q1'26 stands at 2.08, reflecting a significant decline from the previous quarter's value of 3.24 in Q4'25 and marking the lowest level in the observed period. Over the timeframe from Q2'23 to Q1'26, the P/B Ratio exhibited high volatility with an initial downward trend from 5.49 in Q2'23 to a low of 3.14 in Q2'24, followed by a sharp surge to a peak of 17.38 in Q4'24 that highlighted potential overvaluation amid market enthusiasm. Subsequent fluctuations saw a retreat to 2.08 in Q1'26, underscoring an overall unstable pattern with no sustained growth, which may signal increasing investor caution or fundamental pressures on the company's book value relative to its market price.