The Shanghai and Shenzhen 300 weight index funds are relative to the Shanghai and Shenzhen 300 weight index funds. Weight index funds such as Shanghai and Shenzhen 300 invest the fund assets in the 300 constituent stocks of the Shanghai and Shenzhen 300 on average. In the Shanghai and Shenzhen 300 weight index funds, the stocks with high weights buy more, and the stocks with low weights buy less, which is uneven.

Equal weight index refers to the stocks whose constituent stocks are compiled according to the same weight. For example, the Shanghai and Shenzhen 300 Index has 300 constituent stocks. No matter how different the market value of these 300 constituent stocks is, each stock is compiled according to the weight of 300%.