The NZX is our original market – home to many of New Zealand’s best known brands. Informally known in the past as the Main Board, the companies listed on the NZX stand out as symbols of success in their own right and as proof of the potential of local investment in the local market. They are the cornerstone companies of NZX and New Zealand’s economy.
The NZSX and NZAX markets are NZX’s equity markets. The NZSX market is NZX’s premier equities market and home to some of New Zealand’s best known brands. The NZAX market is a cost-effective listings facility for small to medium sized high growth companies and also co-operatives. The NZDX market is New Zealand’s trading market for debt securities, issuers include the government, banks, and corporates.
(source www.nzx.com)