The S&P/ASX iBoxx Australian & State Governments & Corporates & Covered 0+ Index is designed to measure the performance of investment grade, AUD-denominated bonds issued in the Australian domestic market. Australian government bonds must have a minimum amount outstanding of AUD 2 billion, state government and territory bonds AUD 250 million, and corporate and covered bonds AUD 100 million. Securities must have a minimum initial time to maturity of 18 months at issuance. Bonds must be clearable through Austraclear.