For example, today's position is 100000 lots and yesterday's position is 1 10000 lots, so today's position is reduced by 10000 lots, that is to say, the position difference is-10000 lots.

Supplement:

Short for position difference, it refers to the difference between the position of the current day and the closing price of the previous day. If it is regular, the position of the day will increase, if it is negative, the position will decrease. Position difference is the change of position. For example, the position of stock index futures contract in June 165438+ 10 is 60,000 lots, whereas it was 50,000 lots yesterday, so the position difference today is 1 10,000 lots. In addition: there are also changes in position differences in the transaction column. Here refers to the comparison between the position change caused by the transaction order and the previous instant position, whether to increase or decrease the position.