Unusual Options Activity Report for 1.4.2013

rok-tabs-kotmPaper sold 3173 RIG Jan 50 Calls for $1.74 (3.2 times usual volume)
when stock was trading $51.14
Paper bought 3017 P Jan 10 Puts for $.55 (2.1 times usual volume) when
stock was trading $9.84
Paper bought 2360 UNH Jan 52.5 Calls for $.95 when stock was trading $52.30
Paper bought 902 NTRI Feb 9 Calls for $.20 (7.3 times usual volume)
when stock was trading $8.63
Paper bought 10760 HMA Jan 9 Puts for $.15 (14.2 times usual volume)
when stock was trading $9.61