Yes, before buying, you should set a profit line and a stop loss line in your mind; After buying it, you can set the profit-taking line and stop-loss line in the computer software. Stop loss is going out after opening a position, and take profit is going out after opening a position. Futures trading is the activity or behavior of buying and selling futures contracts. Pay attention to the difference. Futures delivery is another concept. Futures delivery is the exchange activity or behavior of the subject matter (basic assets) stipulated in the futures contract on the maturity date.