Why is it illegal to buy and sell stocks quickly? (See "Eavesdropping 2")

Buying and selling quickly is not illegal, but buying and selling by yourself is illegal.

The main force buys and sells itself, that is, knocks. Counterknock, also known as relative entrustment or collusion, refers to the behavior of the actor who intends to influence the stock market and collude with others. The two parties play the roles of seller and buyer respectively, and issue trading entrustment instructions to the same or different securities brokers according to the agreed trading type, price and quantity, so as to close the transaction, that is, one party makes a trading entrustment and the other party makes an opposite trading entrustment, and closes the transaction according to the content of collusion in advance.

Purpose:

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

Second, create an active trading atmosphere. The daily chart shows a multi-directional "price increase" pattern, which will be eliminated after attracting the influx of subsequent orders.

In the past, it was generally to attract retail investors to follow up, but now it has become a common trading technique. It is still knocking when opening positions, knocking when shaking, knocking when pulling up, knocking when shipping, and knocking when rebounding.