5 1 is the Shanghai Stock Exchange Fund, 15 is the Shenzhen Stock Exchange Fund, 505 1 52 is the Shanghai Stock Exchange Fund, 15, 16, 18 is the Shenzhen Stock Exchange Fund.

The above are the common starting codes of listed funds, and the codes of funds and stocks are also somewhat different. The stock code represents the listed years and operating strength of a listed company at a certain level, and the fund code is also a code. It is more important to choose a well-developed fund.