It can be enlarged. For example, if you use the quotation software of Master Boyi, after logging in, click the tools in the toolbar above, and then click Options to open a parameter setting window. Click on the quotation window to enlarge the quotation of optional contracts. Click on the chart and K line, and then try to enlarge the quotation window of stock index futures. Other futures quotation software also has these functions, and the specific settings may be different. Say which software will help you explain it in detail.