As of Q4'25, ABBV's P/E Ratio stands at 56.0, marking a significant decrease from the previous quarter's peak of 159.8. This latest figure reflects a sharp correction following a period of considerable volatility in valuation. From Q1'23 to Q4'25, the P/E Ratio for ABBV has exhibited pronounced fluctuations, with a general upward trend punctuated by abrupt spikes and corrections. Notably, the ratio surged from 34.4 in Q1'23 to a high of 159.8 in Q3'25, before dropping sharply in the subsequent quarter. This pattern indicates periods of heightened investor optimism and rapid revaluations, suggesting underlying shifts in earnings expectations or market sentiment over the observed period.