Graph and download economic data for 3-Month or 90-day Rates and Yields: Bank Bills for Australia (IR3TBB01AUQ156N) from Q1 1968 to Q4 2019 about bills, Australia, 3-month, yield, banks, depository institutions, interest rate, interest, and rate. Interbank Rate in Australia averaged 6.25 percent from 1986 until 2019, reaching an all time high of 18.18 percent in August of 1986 and a record low of 1.10 percent in July of 2019. This page provides - Australia Three Month Interbank Rate - actual values, historical data, forecast, chart, statistics, economic calendar and news. Currently, financial contracts that reference LIBOR are estimated to have a total notional value of around US$350 trillion; these contracts are primarily derivatives, such as interest rate swaps. The equivalent credit-based benchmarks for the Australian dollar are the bank bill swap rates (BBSW).