Unusual Options Activity 4.18.2013

blog28Paper Buys 29,990 ACAD Jan 12-15 Call Spreads for $1.40 (7 Times usual volume) wuth stock at $12.11
Paper Sells 22,578 NOK May 3.5 Calls for $0.07 (2.6 time usual volume) with stock trading at $3.15
Paper Buys 37,500 XOP May 53 Puts for $1.23 (3.7 times usual volume) with stock trading at $54.77
Paper Sells 6,106 ACI Jul 6 Puts for $1.46 (2.2 times usual volume) with stock at $4.92
Paper Sells 12,351 NBG Aug Calls for $0.05 (4.1 times usual volume) with stock at $0.69