Notable Put Options Activity in KLA-Tencor

Shares of KLA-Tencor KLAC are higher on the session by 2.26%, currently trading at $49.67. The stock has been moving largely higher over the past two months and is currently trading above the 50-day moving average. Options traders are focusing on puts today. The strike seeing the heaviest action is the February 2012 $47.00 put, which has traded 2,670 times on open interest of 903 contracts. The Jan2012 $47 put also traded 2,600 times on 5,507 contracts. Put volume is outpacing call volume by 6 to 1. KLA-Tencor Corporation is engaged in the design, manufacture and marketing of process control and yield management solutions for the semiconductor and related nanoelectronics industries.