ETF: a trading open-end index securities investment fund, which combines the advantages and characteristics of stocks, open-end index funds and closed-end index funds. It is an efficient index investment tool with a wide range of strategy types.

Index Fund: An index fund is a fund product that uses a specific index (such as the Shanghai and Shenzhen 300 Index) as the underlying index and uses the constituent stocks of the index as investment objects to track the performance of the underlying index.