The Hong Kong Stock Exchange (HKEX) itself operates as a publicly traded corporate entity listed on its own exchange under the stock code 00388 (HKG: 0388). Meanwhile, individual equities traded on the exchange utilize unique five-digit numeric ticker codes—such as 00700 for Tencent Holdings or 00005 for HSBC Holdings. These standardized numeric codes facilitate efficient order matching and electronic trading across international brokerage platforms and institutional trading desks.