The so-called lock-in means that the member seats hold both multiple orders and roughly the same number of empty orders, which is in a state of little overall risk.

The so-called "multi" means that members mainly hold unilateral multi-orders, and the number of empty orders is far less than that of empty orders, so customers trading in this seat are strongly bullish.

The so-called empty is the antonym of multi-state, and the customers who trade in this seat are strongly bearish.

The so-called speculation means that the customers of this seat are mainly engaged in intraday short-term trading, with large turnover and small overnight positions.

You haven't entered the futures market for a long time. Don't forget to give me a score. I need it badly. Hmm. How interesting