1, referred to as short position difference, refers to the difference between the position and the position corresponding to yesterday's closing price. If it is positive, add positions today; If it is negative, the position will be reduced. Position difference is the change of position. Spot: the instant turnover of stocks. The minimum transaction volume of electronic spot is one batch, which is equivalent to one share. For a recent transaction, it is also called cash.

2. The existing batch number of the latest completed transaction. The bottom right of the disk is the real-time details of each transaction. The red arrow indicates the number of transactions at the buying price and the green arrow indicates the number of transactions at the selling price.