AOFM sells $600m of January 2018 bonds THE Australian government has sold $600 million of January 21, 2018, Treasury bonds. The Australian Office of Financial Management (AOFM), which conducts bond auctions on behalf of the government, said the bonds were sold for a weighted average yield of 2.6835 per cent. The sale attracted bids totalling $2.685 billion, giving a coverage ratio of 4.48.