1. profitability is: profitability is the company's ability to earn profits. Generally speaking, the company's profitability refers to the normal operating conditions. Abnormal operating conditions will also bring profits or losses to the company, but this is only an individual case under special circumstances and cannot explain the company's ability. Therefore, when analyzing the profitability of a company, securities analysts should exclude the following factors: abnormal items such as securities trading, business items that have been or will be stopped, special items such as major accidents or legal changes, and cumulative effects brought about by changes in accounting standards and financial systems.
2. Calculation formula of profit index: net profit rate of sales = (net profit ÷ sales revenue) ×100%; The greater the ratio, the stronger the profitability of the enterprise; Net interest rate on assets = (net profit/total assets) ×100%; The greater the ratio, the stronger the profitability of the enterprise; Return on net assets = (net profit/shareholders' equity) ×100%; The greater the ratio, the stronger the profitability of the enterprise; Return on total assets = (total profit+interest expense)/average total assets ×100%; The greater the ratio, the stronger the profitability of the enterprise; Operating profit rate = (operating profit/operating income) ×100%; The greater the ratio, the stronger the profitability of the enterprise; Cost profit rate = (total profit/total cost) ×100%; The greater the ratio, the higher the operating efficiency of the enterprise.