1, the index fund tracks the index, but not all the constituent stocks in the index will hold it, so the index rises, but the index fund does not.

2. When the subscription amount of index funds is large, the fund manager has no time to use funds to open positions, which leads to the index rising, but the index funds do not.

3. In order to ensure the liquidity of the fund to deal with redemption, the index fund set aside 5% of cash assets, or invested some funds in some flexible money markets, which led to the index rising, but the index fund would not rise.

Extended data:

Shanghai composite index rises, does index fund rise?

When the index goes up, the index fund goes up, and the index fund that tracks the rising index goes up. At present, the Shanghai Stock Exchange Index Fund is called the Shanghai Stock Exchange Index ETF, and the fund code is 5 102 10. The rise and fall of other index funds should be judged according to the tracked index rise and fall.

Index fund is to track a specific index and buy all or part of the stocks in the index in order to obtain the same income as the index.