Unusual Options Activity 5.15.2013

Chart Bloomberg CNBC StocksPaper buys 2,000 DE Jun 85 Puts for $0.68 (4.3 times usual volume) with stock at $90.18

Paper buys 800 SIRI Jun 3.5 Calls $0.14 (2.4 times usual volume) with stock at $3.53

Paper buys 9,975 MNKD Jan 5 Calls for $1.35 (3.9 times usual volume) with stock at $5.06

Paper sold 1,300 ATVI Jan 17 Calls for $0.65 (2.4 times usual volume) with stock at $15.02
Paper sold 1,400 YOKU Sep 20 Puts for $1.85 (4.6 times usual volume) with stock at $21.41