Index funds adopt passive investment, choose an index as the imitation object, and buy all or part of the securities in the securities market included in the index according to the index standard, so as to obtain the same expected annualized expected return level as the index. For many investors, the investment method provided by index funds is the most convenient and simple.

The emergence of stock and debt allocation strategy index funds is only a microcosm of the diversification of domestic index funds. Domestic index funds have developed from tracking the mainstream scale index to tracking all kinds of style index, industry index, theme index and strategy index, and the diversity of index funds is increasing.

Scale index fund

Scale index is an index based on market value and weighted by market value. The index fund with the scale index as the tracking target is the scale index fund. Scale index fund is the main type of early index fund in China. The existing scale index funds mainly track CSI 300, SZSE 100, CSI 100, CSI 500, SSE 50, SME board index and GEM index.

Style index fund

Style index is an index constructed by analyzing growth factors and value factors to determine the composition goals. The index fund that tracks the style index is the style index fund. The existing style index funds mainly include index funds that track the Shanghai and Shenzhen 300 growth index, the Shanghai and Shenzhen 300 value index, the Shanghai 180 growth index and the Shanghai 180 value index. Taking the Shanghai and Shenzhen 300 Growth Index as an example, we select 100 stocks with the best growth ability from the Shanghai and Shenzhen 300 constituent stocks for construction. The advantage of the index lies in its low valuation and excellent growth ability.

Industrial index fund

Industry index is an index that sets the goals in a single or a few industries as constituent goals. The index fund that tracks the industry index is the industry index fund. The existing industry index funds include index funds that track the Shanghai and Shenzhen 300 financial real estate index, Shanghai financial stock index, Shanghai financial real estate industry index, Shanghai energy industry index, Shanghai medical and health industry index, Shanghai raw materials industry index and Shanghai major consumer industry index.

Theme index fund

Theme fund is an index constructed by determining the composition target from the perspective of a specific theme. Compared with industry index funds, many theme index funds have a wider industry distribution. The index fund that tracks the theme index is the theme index fund. The existing theme index funds include index funds tracking 50 private enterprises in Shanghai Stock Exchange, Shanghai and Shenzhen 300 non-periodic index, Shanghai emerging industries index, Shenzhen Stock Exchange dividend price index, Mainland China low-carbon economy theme index, Shenzhen Stock Exchange consumer service leading index and so on. Theme index funds are diversified, and investors need to know their allocation direction and the characteristics of component targets when choosing such funds.

Strategic index fund

The strategy index is an index constructed according to a specific strategy, including the selection strategy and the weight strategy of the target. The index fund that tracks the strategic index is the strategic index fund. The existing strategic index funds include index bases based on fundamental indicators, such as Harvest Fundamental 50; Fingerbase constructed according to equal rights strategy, such as Yin Hua CSI with equal rights 90; According to the allocation strategy of stock bonds, such as Yin Hua CSI Growth Stock Bonds.