Buy index funds directly from banks, mainly open-end funds. The time is 9: 30 am-afternoon 1 1, and the buying time of securities companies is 1-3 pm. Consignment of open-end funds.

Open a stock account to buy. There are mainly closed-end funds, LOF, ETF and Shangjitong Fund.

Index funds are fund products with specific indexes (such as Shanghai and Shenzhen 300 Index, Standard & Poor's 500 Index, Nasdaq 100 Index, Nikkei 225 Index, etc.) as the target. ) 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.

Generally speaking, the index fund aims to reduce the tracking error, make the change trend of the portfolio consistent with the underlying index, and thus obtain roughly the same rate of return as the underlying index.

The investment operation of index funds is the process of tracking the index by buying the constituent stocks (or other securities) of the index, which mainly includes opening positions, reinvesting and tracking adjustment.