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TheMarket Identifier Code (MIC) (ISO 10383) is a unique identification code used to identifysecurities trading exchanges, regulated and non-regulated trading markets. The MIC is a four alphanumeric character code, and is defined in ISO 10383[1] by theInternational Organization for Standardization (ISO).[2] For example, the USNASDAQ market is identified by MICXNAS.
ISO 10383 is theISO standard that "specifies a universal method of identifying exchanges, trading platforms and regulated or non-regulated markets as sources of prices and related information in order to facilitate automated processing". TheFIX Protocol uses MICs to denote values of the "Fix Exchange" data type. Markets of various asset classes, including equities, options and futures apply for MICs through the ISO.
MICs are updated frequently and the latest published list is available atthe maintenance organization of ISO 10383 in various formats:Excel,CSV,XML andPDF. These also include Modified and Deactivated MICs, as well as change lists since the last published update.
MICs are allocated at two levels:
ISO 10383[3] specifies all MICs and is updated regularly.
MIC also standardizes codes for categories of markets or facilities, as follows:
There are also additional codes NSPD (Not Specified) and OTHR (Other), which together constitute about 54% of all codes.
