FX OPTIONS: GBP/USD 1-Mth Vol Trades at 5.75% & 5.7%

Dealers report that 1-mth ATM option strikes have traded at 5.75 pct and 5.7 pct since the European open. The 5.7 pct transaction was reportedly in fair size. Expiry-wise: the size of the 1.9000 option strike rolling off at today's 10am EST NY cut (15:00GMT) is estimated at a quarter-yard. The cumulative size of the 1.9040-50 and 1.9075 strikes expiring at the same cut is estimated at getting on for three-quarters-of-a-yard.