The main capital net inflow indicator formula and the main capital inflow ratio indicator formula.

1. Index formula for net inflow of main funds: Net inflow of main funds refers to the difference between inflow and outflow of main funds. The calculation formula is: net inflow of main funds to main buying funds minus main selling funds, where , the main buying funds refer to the total amount of main funds buying on that day, and the main selling funds refer to the total amount of main funds selling on that day.

2. Main capital inflow ratio index formula: main capital inflow ratio refers to the proportion of main capital inflow to the total transaction volume of the day. Its calculation formula is: main capital inflow ratio equals main capital inflow amount divided by The total transaction volume of the day, among which, the amount of main capital inflow refers to the total amount of main capital purchases on the day, and the total transaction volume of the day refers to the total transaction amount of the entire market on that day.