Shanghai Stock Exchange:

The code of A shares in Shanghai stock market starts with 600, 60 1 or 603.

The B-share code of Shanghai stock market starts with 900.

Shenzhen Stock Exchange:

The code of GEM is a stock code starting with 300.

The code of Shenzhen A shares starts with 000.

Small and medium-sized board code starts with 002.

The code of Shenzhen B shares starts with 200.

initial public offering (IPO)

The subscription code of Shanghai Stock Exchange starts with 730.

The subscription code of Shenzhen new shares is the same as that of Shenzhen stock exchange.

Rights issue code

Shanghai starts with 700, Shenzhen with 080, Shanghai with 580 and Shenzhen with 03 1.