1.Counterknock is a trading method for stock investors (bookmakers or large institutional investors). The specific operation method is to open accounts in several business departments at the same time, and make a seesaw quotation transaction between business departments to achieve the purpose of manipulating the stock price.

2. Counterknock refers to the behavior of exchange members or customers who deliberately collude to trade or buy and sell with each other in a pre-agreed way or price in order to create market illusion and attempt or actually seriously affect the price or market position of stocks and futures.

The purpose of knocking at the door:

First, slowly push up the stock price to make room for future shipments;

The second is to create an active trading atmosphere. On the daily chart, there is a multi-directional pattern of "price increase and quantity increase", which will be eliminated after attracting the influx of followers.