You are so smart. You are right. There is indeed a commission. It is best for newbies to bring their ID cards to a securities company to open a Shanghai and Shenzhen trading account, go through the bank transfer custody procedures, and open online trading to buy and sell any variety without restrictions. Online There are discounts on transactions, and new fund subscription fees will be refunded. It is not cost-effective for the bank to charge the full amount. The capital requirements are very low. In theory, the minimum purchase of 100 shares at a time is less than 100 yuan or a little more than 100 yuan. But most people rarely buy only 100 shares.