The S&P/ASX iBoxx Australian & State Governments 5-10 Index is designed to measure the performance of AUD-denominated investment grade bonds issued in the Australian domestic market, with a minimum amount outstanding of AUD 2 billion for Austrailian government bonds and AUD 250 million for state government and territory bonds. Securities must have a minimum initial time to maturity of 18 months at issuance and a remaining time to maturity between 5 and 10 years at rebalancing. Bonds must be clearable through Austraclear.