AUDUSD orders 18 May – Large option expiries lurking again

Currently 0.7448 after 0.7467 highs
 lurking lower today likely to lend support in the dip
Large expiries
Offers: 0.7465
0.7480 0.7500 0.7530 0.7550
Bids:  0.7430 07410 0.7370