Symbol Name Puts Calls RealTime P/C Avg P/C
MCK McKesson Corp 3,723 202 18.43 0.63
ELX Emulex Corp 2,931 275 10.66 4.88
UAUA UAL Corporation 6,522 762 8.56 0.59
ITUB Itau Unibanco Banco Holding SA 2,726 359 7.59 1.33
NLY Annaly Capital Management Inc 10,588 1,992 5.32 2.06
WFR MEMC Electronic Materials Inc 3,878 755 5.14 2.20
ARG Airgas Inc 2,812 701 4.01 0.26
ALTR Altera Corp 8,142 2,170 3.75 1.86
HBC HSBC Holdings PLC 3,616 1,072 3.37 1.32
ATPG ATP Oil and Gas Corp 3,325 1,068 3.11 0.94

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