The iBoxx AUD Semi-Governments & Sovereigns Index measures the performance of investment grade, AUD-denominated bonds issued by semi-government entities and sovereign issuers. The index comprises bonds from Australia for semi-governments and other countries for sovereigns, with a minimum amount outstanding of AUD 2 billion for Australian Government Securities and AUD 250 million for non-government issuers. Bonds must have a minimum time to maturity of 18 months at issuance and 12 months at rebalancing.