The seven-day annualized return calculation formula is: seven-day annualized return = (B-A-C)÷A÷7×365×100%, where B is the value of the fund after the end of trading on the seventh day, and A is the fund’s value after the transaction ends on the seventh day.

The value before the end of trading on the first day, and C is the related expenses incurred within seven days.

Supplement: Divide the total return rate for the 7 days by seven to get the daily average return rate for the past 7 days. Multiply it by 365 days to get the seven-day annualized return rate.

Since the daily interest rates of monetary funds fluctuate, the daily returns also fluctuate, and the seven-day annualized return also fluctuates accordingly.

The seven-day annualized rate of return is an estimated annualized rate of return based on the income in the past seven days.

For example, if a currency fund has an annualized rate of return of 5% in seven days, based on the situation in the past seven days, it can be estimated that if an investor invests 10,000 in the currency fund, he can earn approximately 500 yuan a year, but will he actually be able to earn 500 yuan in income?

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It also depends on the trend of the annualized rate of return in the next seven days. If the trend of the seven-day annualized rate of return of the currency fund increases during the investor's holding period in the future, the actual annual income will be greater than 500. If the rate of return in the next seven days

If the trend is downward, the actual annual income will be less than 500.

There are many factors that affect the seven-day annualized rate of return of money funds, such as interest rates. Generally, when interest rates fall, the seven-day annualized rate of return of money funds will also fall; other capital market trends, and when stocks are down,

Generally, more funds will flow to monetary funds, and the annualized rate of return will decrease.

The central bank's monetary policy control means that when the central bank releases more liquidity, there will be more funds on the market, the size of monetary funds will also increase, and the annual interest rate will generally decrease.

Although the seven-day annualized return has a certain degree of volatility, for investors, it is still an important indicator to measure the return of the underlying financial product. For monetary funds, they generally pay attention to the seven-day annualized return for three consecutive months.

rate, which has more reference value for analyzing the income stability of the underlying financial product.

Some financial products will not only display the seven-day annualized rate of return, but also the 30-day annualized rate of return. The calculation principles of the two are the same, and both estimate the annualized rate of return based on the average income over the past period.

Thirty-day annualized return = Thirty-day total return ÷ principal ÷ 30 × 365.

Investors need to pay attention to the fact that returns and risks are equal when investing. The higher the return rate, the higher the risk. Investors should invest within a controllable range and do not place too much emphasis on high returns.