Is there a relationship between Shanghai and Shenzhen 300 stock index futures contracts and profits?
If you buy stocks, if you buy funds, it has nothing to do with the Shanghai and Shenzhen 300 stock index futures contracts and profits.
If you buy the Shanghai and Shenzhen 300 stock index futures, then the contract is related to profit, because the target of the contract is the blue-chip Shanghai and Shenzhen 300 stock index.