• Interactive Brokers average gross margin for 2023 was 90.65%, a 1.27% increase from 2022.
• Interactive Brokers average gross margin for 2022 was 89.51%, a 1.02% increase from 2021.
• Interactive Brokers average gross margin for 2021 was 90.43%, a 4.68% decline from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.