The latest data point for TSM's P/E Ratio in Q1'26 stands at 24.19, reflecting a notable decline from the peak of 35.55 in Q4'25, yet remaining above the series low of 16.03 observed in Q2'23. Over the period from Q2'23 to Q1'26, the P/E Ratio exhibits a generally upward trend with periods of volatility, starting at 16.03 and climbing steadily to a high of 35.55 by Q4'25, driven by consistent growth through Q3'25 at 28.81. Key inflection points include a sharp rise from Q3'23 (19.08) to Q1'24 (29.74), a brief stabilization around 30 in Q2'24, a dip to 22.09 in Q4'24, and a subsequent rebound before the recent pullback, indicating fluctuating market expectations for TSM's earnings amid semiconductor sector dynamics.