• The CUSIP number is a unique identification number assigned to stocks and registered bonds in the US and Canada.
  • It consists of nine letters and includes letters and numbers.
  • CUSIP were first introduced in 1964 to simplify the calculations and registration of reserves.
  • Currently, they are mainly used in computerized trade accounting systems for transactions and shareholder accounting.
  • Foreign securities have CINS or ISIN numbers instead of CUSIP.