Operating income is an accounting figure that measures the amount of profit realized from a business’s operations, after deducting operating expenses such as wages, depreciation, and cost of goods sold (COGS).
TTM (Trailing 12 Months) is a term used to describe the past 12 consecutive months of a company’s performance data, that’s used for reporting financial figures. The 12 months studied do not necessarily coincide with a fiscal-year ending period.
The formula for Operating income is:
Operating income = Revenue – Cost of goods sold – Operating expenses