Short stock index futures: When investors have no confidence in the stock market, they can short by buying stock index futures. Stock index futures need a certain margin, and the risk is very high, which is very likely to explode.
Short options: options, also known as options, are derivatives based on futures. This is a right that can be traded in the future. It is the right of the buyer to buy or sell a certain number of specific things at a predetermined price on a certain day or a certain date in the future after paying a certain amount of money to the seller. However, this is not mandatory.
Short position: The so-called stock short position refers to that when the stock price rises to a certain extent, investors judge that the stock price will fall, so they sell this part at a high level and keep it. When the stock price falls to a certain level, they buy the same amount of shares to get the difference, thus reducing the cost of the shares they hold, which is equivalent to selling high and sucking low.
What does A-share mean?
A-share index refers to ordinary RMB securities, which refer to the securities issued by domestic enterprises to domestic institutions, organizations or individuals. (excluding investors from Hong Kong and Macao) Subscribe and buy and sell the company's common stock in RMB. A shares are not physical shares, but recorded electronically by electronic means.
Among the outstanding shares issued by the company, A shares account for the largest proportion and the best one. However, the A shares of most companies are not the largest in circulation, because at present, most listed companies in China have state-owned shares or state-owned legal person shares that are not circulated. In the stock market, people are more concerned about the buying and selling price of A shares.