Symbol Name Puts Calls RealTime P/C Avg P/C
PARD Poniard Pharmaceuticals Inc 11,312 109 103.78 1.61
CVA Covanta Holding Corporation 10,148 222 45.71 2.81
ROST Ross Stores Inc 6,364 256 24.86 1.13
BEC Beckman Coulter Inc 2,683 121 22.17 1.03
RYL Ryland Group Inc 61,591 5,043 12.21 0.62
KBH KB Home 22,690 2,022 11.22 1.48
BNI Burlington Northern Santa Fe Corp 2,774 317 8.75 0.78
UNP Union Pacific Corp 4,065 483 8.42 0.79
NVTL Novatel Wireless Inc 3,123 397 7.87 0.52
TXI Texas Industries Inc 3,129 414 7.56 2.37

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