Symbol Name Puts Calls RealTime P/C Avg P/C
WBMD WebMd Health Corp 6,083 51 119.27 0.60
NITE Knight Trading Group Inc 3,375 127 26.57 0.63
CX Cemex SaB De Cv 7,076 347 20.39 1.37
BCS Barclays Bank Plc 2,967 202 14.69 0.57
CTXS Citrix Systems Inc 11,016 790 13.94 0.76
XRX Xerox Corp 3,385 276 12.26 0.34
AMED Amedisys Inc 2,501 255 9.81 0.95
BCSI Blue Coat System 8,514 947 8.99 0.64
SWY Safeway Inc 10,453 1,290 8.10 0.48
TSO Tesoro Corporation 4,961 834 5.95 0.65

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