As of Q3'25, ISRG's latest P/B Ratio stands at 11.036, reflecting a slight increase from the previous quarter's value of 10.083. This most recent data point suggests a continued premium valuation relative to book value as of September 2025. Over the period from Q1'23 to Q3'25, the P/B Ratio has exhibited moderate volatility, with notable peaks in Q4'23 (10.014), Q2'24 (10.993), and a high of 12.411 in Q4'24. After reaching this peak, the ratio declined to 10.223 in Q1'25 before recovering in Q3'25. Overall, the trend indicates a generally upward movement in ISRG's P/B Ratio, with intermittent fluctuations but a clear tendency toward higher valuation multiples over the covered quarters.