Yes, Apple futures trading can be operated in the day, and it is a T+0 system. You can sell it the next second after you open a position. Apple futures can also be sold short after opening positions. When the price drops 100, it will be closed after buying and selling, so that the price transaction through Apple futures will be closed immediately. Futures, relative to the concept of "spot", refers to the delivery and trading of commodities that are bought and sold now but will be carried out in the future.