There is a strong positive correlation between H shares and A shares.

Through the establishment of H-share transmission, there is a weak positive correlation between US stocks and A-share market.

There is a strong positive correlation between stock index futures and stock market.

There is a strong positive correlation between the specific varieties of commodity futures and the specific stocks in the stock market, that is, resources and energy stocks. There is a strong negative correlation with the downstream manufacturing industry. Because China stock market is similar to most stock markets in the world, and manufacturing stocks are far more than resources and energy stocks, there is a strong negative correlation at ordinary times. On the contrary, the stock markets in Brazil and Australia benefited from the bull market in commodity markets and performed well in 2008.

Stock index futures are futures with the stock market index as the subject matter. The price level of the stock market index after a certain period of trading between the two parties shall be delivered by cash settlement of the price difference.

Stock index futures refer to financial futures contracts with stock price index as the subject matter. In specific transactions, the value of stock index futures contracts is calculated by multiplying the index points by the unit amount specified in advance. For example, the Standard & Poor's Index stipulates that each point represents US$ 250, and the Hang Seng Index in Hong Kong is HK$ 50. Generally, March, June, September and 65438+February are the cycle months of stock index contract trading, and some of them are traded every month of the year. The settlement is usually based on the closing index of the last trading day.

The essence of stock index futures trading is a process in which investors transfer their expected risk of the whole stock market price index to the futures market, and the risk is offset by the trading operations of investors who have different judgments on the stock market trend. Like stock futures trading, it belongs to futures trading, except that the object of stock index futures trading is stock index, which is based on the change of stock index and settled in cash. There are no real stocks on both sides, only stock index futures contracts can be bought and sold at any time.