Showing smoothed Operating Income of F5 Networks Inc with missing and latest data points interpolated. Operating Income is the amount of profit realized from F5 Networks Inc operations after accounting for operating expenses such as cost of goods sold (COGS), wages and depreciation. Operating income takes the gross income and subtracts other operating expenses and then removes depreciation. Operating Income of F5 Networks Inc is typically a synonym for earnings before interest and taxes (EBIT) and is also commonly referred to as operating profit or recurring profit. Operating income is a measure of financial performance before the deduction of Interest Expense, Income Tax Expense and other Non-Operating items. It is calculated as Gross Profit minus Operating Expenses.