Profit-taking: refers to the process of chip exchange when the price goes in one direction, which is a technical callback in the opposite direction in the early stage;

Selling pressure: refers to a large amount of selling when the price rises to a certain resistance level. The greater the selling ability, the heavier the pressure. When the price rises above this price, it is often the buying point;

Short covering: A short seller sells at a high level, buys and closes his position when the price falls to a satisfactory level, which causes the price to rebound temporarily, but cannot rebound to the original height. Equivalent to short profit;

Closing the position by covering the position: refers to closing the position after the loss sheet is bought in the same direction at a relatively low price, so as to achieve the purpose of sharing the cost equally (an undesirable method).

As the basis of futures trading, opening an account for investors is an important link to protect the legitimate rights and interests of investors. Especially on the eve of the introduction of financial futures, further strengthening the real-name registration system registration in the futures market can not only achieve twice the result with half the effort, but also greatly reduce the resistance and difficulty of implementation, which is very necessary to consolidate the market foundation and meet the great development of the futures market.