The passive buying of index funds in the later period is completed at the buyer's price, and the passive buying corresponds to active buying, that is to say, it is completed at the seller's price.

Nature of stock: 1, profitability: stock investment can bring benefits to investors, on the one hand, including the benefits and dividends brought by the company's profits behind the stock; On the other hand, it includes the capital spread caused by buying stocks and selling them at the right time; 2. Risk: The stock price will change due to economic cycle, macro policy, investor psychology and other factors, which will bring risks to investors' assets; 3. Liquidity: As warrants, stocks can be traded in the stock market, and can be sold when liquidity is scarce to obtain liquidity.