9. 15-9.20 is a free pending order, which can be pending or cancelled;

9.20-9.25, you can only place an order, but you can't cancel it;

So you will see that there are many daily limit boards in the first five minutes, and the official bidding will be held in the last five minutes. Many daily limit boards have disappeared, and large funds often cheat small retail investors.

The problem is solved, please adopt it in time. Thank you!