Short opening and short closing transactions: short opening is selling, and short closing is buying. Empty orders exchange itself does not increase or decrease positions, because empty orders are changed from one person's hand to another's.

Although the empty exchange does not increase the position, it will increase the trading volume. If you open an empty position and close an empty position, the volume will increase by 2 lots.

This is why the turnover of some futures products is greater than the position. There are more transactions caused by changing hands.

In futures trading, the turnover rate of a futures variety is an indicator of whether this variety is active or not. It is an important index for day traders to choose varieties. Varieties with high turnover rate indicate that there are many short-term trading orders in the day, with good liquidity and large potential fluctuations.

The algorithm of turnover rate is: the turnover of this variety/the position of this variety. In the futures software Wenhua Finance, the turnover rate is speculation. Click on the main contract and click on the ranking according to speculation, and you can see the ranking with the highest turnover rate. If you want to do short-term, it is recommended to choose the top one.