• Pfizer EPS for the quarter ending September 30, 2024 was $0.78, a 285.71% decline year-over-year.
• Pfizer 2023 annual EPS was $0.37, a 93.24% decline from 2022.
• Pfizer 2022 annual EPS was $5.47, a 42.08% increase from 2021.
• Pfizer 2021 annual EPS was $3.85, a 136.2% increase from 2020.

Earnings per share can be defined as a company's net earnings or losses attributable to common shareholders per diluted share base, which includes all convertible securities and debt, options and warrants.