How to calculate the turnover?

Calculating OBV is very simple. When today's closing price is higher than yesterday's closing price, today's trading volume is positive; when today's closing price is lower than yesterday's closing price, today's trading volume is negative. The sum of positive trading volume and negative trading volume in a period of time is the OBV value. Another demand value is to calculate the OBV value by averaging the highest price, lowest price and closing price of the day instead of the closing price, so as to make the OBV line. This method is called the volume long-short ratio net value method. The calculation formula is as follows: VA=V×[(C-L)-(H-C)]/(H-C) Note: VA is the net value of the long-short ratio of the volume, H is the highest price, C is the closing price, L is the lowest price and V is the volume. The closing price minus the lowest price (C-L) indicates the strength of long buying. The highest price minus the closing price (H-C) indicates the strength of short selling.