• Edison average pre-tax profit margin for 2023 was 7.7%, a 120.63% increase from 2022.
• Edison average pre-tax profit margin for 2022 was 3.49%, a 37.34% increase from 2021.
• Edison average pre-tax profit margin for 2021 was 5.57%, a 1.83% decline from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.