The latest data point for PFE's EPS Diluted in Q4'25 shows a value of -0.29 USD, indicating a quarterly loss after a series of positive figures in the preceding periods. This marks a downturn from Q3'25's 0.62 USD, reflecting potential challenges in profitability for the period ending December 2025. Over the timeframe from Q1'23 to Q4'25, EPS Diluted exhibited high volatility, starting at 0.97 USD in Q1'23 before plunging to losses of -0.42 USD in Q3'23 and -0.59 USD in Q4'23, then recovering to positive territory with peaks at 0.78 USD in Q3'24 and 0.62 USD in Q3'25, only to revert to negative in Q4'25. Year-over-year EPS Growth mirrored this instability, with deep declines exceeding -100% in Q3'23 and Q4'23, a sharp rebound to +285.7% in Q3'24, and a dramatic +50% surge in Q2'25, but ending with a steep -514.3% drop in Q4'25, underscoring inconsistent performance amid operational or market pressures.