The first is a completely duplicated index fund.
This kind of index fund generally replicates the index 100%, and the constituent stocks of the index are funds.
Shareholders. Take a completely passive strategy. Its focus is not to beat the index, but to chase the index.
Tracking index, ETF is this kind of fund, which has strict requirements on the weight ratio. There are five stock markets:
SSE 50ETF, SSE 180ETF, dividend ETF, SZSE 100ETF, SME ETF,