Shorts squeezed during AUD/USD rise from 0.7573 to 0.7684 0.7573 = Asia low (after 0.7637 Asia high) Offers pushed at 0.77. Large 0.77 option expiry today 0.7696 = 38.2% of 0.7914 (Feb 26 high) to 0.7561 (Wednesday's 6year low)