Large 0.6650 option expiry helps to anchor AUD/USD pre-Fed event risk

0.6655 marks the intra-day low. 0.6717 was Tuesday's high, on RBA hike shock

US ADP jobs data due 1215 GMT; 148k f/c. ISM services PMI 1400 GMT; 51.8 f/c

Fed rate decision at 1800 GMT; 25 bps increase to 5.00-5.25% expected

Reuters poll: 13 of 25 economists expect another RBA hike by end-September

Australian March retail sales up 0.4% MM vs 0.3% forecast nL1N370055