Yu 'ebao is actually a monetary fund, which is operated by Tianhong Fund, and its daily rate of return is different. Fund companies obtain income through various investment portfolios and distribute fund shares. From some time ago, the annualized income was generally between 6.2% and 6.7%. The average daily income of 1, yuan in the previous month averaged 1.657.

Monetary fund is an open-end fund. According to the financial products invested by open-end funds, people divide open-end funds into four basic types: stock funds, hybrid funds, bond funds and monetary funds. The first two types belong to the capital market, and the latter is the money market. Monetary funds mainly invest in bonds with a remaining maturity of less than 397 days (including 397 days), central bank bills with a maturity of less than one year (including one year), bond repurchase, bank time deposits, certificates of deposit, cash and other good liquidity money market instruments. Also known as "quasi-savings products", its main features are "worry-free principal, convenient demand, regular income, income per diary and monthly dividend".