1. Stock index futures are more than one (also called bulls): investors are optimistic about the stock market and expect the stock price to be bullish, so they buy stocks at a low price and sell them when the stock rises to a certain price to obtain the difference income. In the process of trading open contracts, investors hold more call options (call options) than put options (put options).

The main feature of stock price changes in bull market is a series of ups and downs. The bulls buy a financial instrument in the belief that the price will rise, and the market participants who expect to sell at a high price after the price rises also have bulls in the electronic spot. There is more information at home.

Second, the short position of stock index futures (also known as short positions): investors who think that although the current stock price is high, they are pessimistic about the stock market prospects and expect the stock price to fall, so they sell their stocks at a high price. Using this trading method of selling first and then buying to earn the difference is called short selling. People usually refer to the stock market with a long-term downward trend as a short market, and the changes of stock prices in the short market are characterized by a series of sharp declines and small increases.