Stock index futures refer to stock index futures trading contracts in a certain period in the future. When the price of stock index futures rises, it usually means that the market is generally bullish and the stock price is expected to rise in the future. This may be caused by positive economic data, company profit reports or market sentiment. Therefore, the rise and fall of stock index futures can provide investors with useful market signals and help them make more informed investment decisions.

The rise and fall of stock index futures are very important to investors and traders. For investors, if they own stock index futures, the rise of stock index futures prices will bring benefits. However, some investors may take the opposite position, that is, shorting stock index futures is equivalent to betting that futures prices will fall. However, holding short positions in the market also means taking higher risks, because changes in futures prices may also lead to serious losses.

The rise and fall of stock index futures usually have an impact on the whole market. Because stock index futures are the performance of the stock market forecast and expectation, when it rises, it can stimulate the confidence of investors and traders, thus promoting the stock market price rise. On the contrary, if the price of stock index futures falls, it will often lead to investors' depression and lack of confidence, which will lead to the stock market selling, and then lead to the stock market falling. Thus, the rise and fall of stock index futures price is one of the important indicators of stock market fluctuation.