The brokerage with the lowest commission for stock trading is not necessarily where it is, because each brokerage has multiple business departments, and each business department has different commission standards, and each business department has multiple account managers and brokers. When you meet different brokers, you can negotiate different commissions. Here, the default for opening a mobile phone account is 2.5%, and there is no capital requirement, which is free nationwide; If the amount of funds is large, the commission is about 1.5%, because the cost is about 0.9%. According to the amount of funds to determine the commission, the market situation is generally 30 thousand to 50 thousand.