5 10300 is a Shanghai and Shenzhen 300ETF fund, which is issued by Huatai Bairui Fund Company. When trading on the stock exchange, investors need to open an on-site fund on the brokerage platform (stock accounts can also be purchased).

On-site funds are traded at T+ 1, which can be bought on the trading day and sold on the second trading day. Trading according to the real-time market price follows the principle of price priority and time priority, and the price limit is 10%, and each trading unit is 100 shares and its integer multiple.