Calls Purchased on Airgas

Shares of Airgas

are lower on the session by 2.32%, currently trading at $61.87. The stock has been moving largely lower over the past three months and is currently trading below the 50-day moving average. Options traders are buying calls on the name today. A short while ago the September 2011 $62.50 call traded 725 times on open interest of 0 contracts. Overall call volume is now running at 2.69x the daily average with 99% of all calls traded being purchases on the offer. Airgas, Inc., through its subsidiaries, is a distributor of industrial, medical and specialty gases (delivered in packaged or cylinder form), and hardgoods, such as welding equipment and supplies.