1, the transaction cost is different. Investors who buy stocks in the stock market will charge a certain transaction commission fee, which is charged according to the turnover. According to different securities companies, the charging standard shall not be higher than three thousandths of the turnover. In addition, stamp duty is charged for selling stocks, which is one thousandth of the turnover. However, buying etf funds in the stock market does not require stamp duty, and its cost is relatively lower.

2. The risks are different. The risk of a single stock is relatively concentrated, while the risk of etf fund as a basket of securities portfolio can be dispersed to a certain extent and relatively low.

3. There are certain differences in trading methods. Stocks can only be traded in the secondary market, and the trading mode is t+ 1, that is, the stocks bought by investors on the same day cannot be sold on the same day, and they need to wait until the next trading day; Etf funds can be redeemed in the primary market and traded in the secondary market, that is, investors can arbitrage between the primary market and the secondary market. At the same time, some etf funds can trade t+0, such as bonds, gold, currencies and cross-border ETFs.