• Main Street Capital average pre-tax profit margin for 2023 was 81.58%, a 9.32% increase from 2022.
• Main Street Capital average pre-tax profit margin for 2022 was 89.96%, a 27.13% decline from 2021.
• Main Street Capital average pre-tax profit margin for 2021 was 123.45%, a 607.4% decline from 2020.

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