• ISIN is a 12-digit alphanumeric code that uniquely identifies a particular security.

  • Numbers are allocated by the country’s respective National Numbering Agency (NNA).
  • ISIN is not the same as a ticker that identifies a stock at the exchange level. ISIN is a unique number assigned to a security that is generally recognized.
  • ISINs are used for many purposes, including clearing and settlement. The numbers provide a consistent format so that institutional investors’ assets can be tracked consistently in markets around the world.