Symbol Name Puts Calls RealTime P/C Avg P/C
QDEL Quidel Corp 2,710 14 193.57 1.97
TS Tenaris 9,056 184 49.22 2.20
HNSN Hansen Medical Inc 5,738 193 29.73 0.61
ETR Entergy Corp 3,083 118 26.13 1.17
NWSA News Corp New 2,975 140 21.25 0.92
CX Cemex SaB De Cv 31,111 1,619 19.22 0.88
APKT Acme Packet Inc 5,873 476 12.34 1.50
CAM Cameron International Corp 2,665 246 10.83 1.40
AZN AstraZeneca PLC 3,126 374 8.36 1.00
PHM PulteGroup Inc 4,043 587 6.89 0.56

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