Of course not. Shanghai and Shenzhen 300 are 300 stocks selected by Shanghai and Shenzhen Stock Exchanges. They are the targets of stock index futures. Stock index futures is a kind of futures behavior, as long as it goes up and down in the right direction, it can make money, but its ups and downs are based on the Shanghai and Shenzhen 300 stocks, and the index will deviate from some ups and downs, but the overall reference is still based on the Shanghai and Shenzhen 300 stocks.