On-site funds: LOF funds are handed in, starting with 50 1 and 502, and starting with Shenzhen Stock Exchange 16; Exchange of ETF funds, starting with 5 1, and starting with Shenzhen Stock Exchange 15; Closed-end fund Shenzhen Stock Exchange 18 starts with 50. The graded fund starts with 15; Other funds of Shenzhen Stock Exchange begin with 16.

OTC fund: The first two digits of the fund code are the TA code, and the last four digits are the fund serial number. Generally speaking, funds starting with 50, 5 1 and 52 are Shanghai Stock Exchange funds, and those starting with 15, 16 and 18 are Shenzhen Stock Exchange funds.