1, the fund index A needs to be charged for subscription when it is purchased, and it will not be charged for redemption if it is held for more than 2 years;

2. Fund index C does not charge subscription fee at the time of subscription, and does not charge redemption fee if it is held for more than 2 years;

3. Fund index A does not charge sales service fees, while fund index C does, which is generally 0.4%;

4. Short-term investment choice index fund C and long-term investment choice index fund A are more cost-effective.

As the name implies, index funds are fund products with specific indexes (such as Shanghai and Shenzhen 300 Index, S&P 500 Index, NASDAQ 100 Index, Nikkei 225 Index, etc.). ) as the underlying index, and take the constituent stocks of the index as the investment object, build a portfolio by buying all or part of the constituent stocks of the index, and track the performance of the underlying index.