Futures: the main contract with active trading, with no more than two related varieties.

Stocks: stocks with good trading fundamentals, with no more than 5 positions.

ETF fund: a fund with large trading fluctuations and a small number of positions.

2. Risk level

Futures: the risk of a single variety does not exceed 20%, and the account risk does not exceed 45%.

Stock: the risk of a single stock is less than 20%, and the account risk depends on the market situation.

ETF Fund: All warehouses can be divided into warehouses.