Symbol Name Puts Calls RealTime P/C Avg P/C
MPEL Melco Crown Entertainment Ltd 5,464 65 84.06 0.93
WYE Wyeth 9,249 233 39.70 0.59
MAS Masco Corp 11,873 653 18.18 1.12
CVA Covanta Holding Corporation 6,300 348 18.10 3.03
ATHR Atheros Communications Inc 6,619 390 16.97 1.58
SLM SLM Corporation 44,620 2,908 15.34 0.58
NVDA NVIDIA Corp 16,032 1,088 14.74 0.62
ROK Rockwell Automation Inc 13,791 1,013 13.61 1.78
GNW Genworth Financial Inc 24,142 1,865 12.94 0.39
VRTX Vertex Pharmaceuticals Inc 3,188 292 10.92 0.92

*Scanning all single-stocks subject to 2500 contracts minimum call or put volume