The objects of on-site trading of funds include closed-end funds and ETF funds. , and the transaction cannot be fixed or converted; Over-the-counter transactions are all open-end funds, which can be fixed or converted. The trading channels of fund on-site trading and off-site trading are also different. When trading on the floor, you can buy and sell through an account opened by a securities company; OTC funds can be traded through fund companies such as official website, online banking and bank counters.