Market Identifier Code
The Market Identifier Code (MIC) (ISO 10383) is a unique identification code used to identify securities trading exchanges, regulated and non-regulated trading markets. The MIC is a four alpha character code, and is defined in ISO 10383  by International Organization for Standardization (ISO). For example, trades that are executed on the US NASDAQ market are identified using MIC code XNAS.
- The complete list of Market Identifier Codes (Current, February 2014)