Puts Purchased on W.R. Grace & Co.

Shares of W.R. Grace & Co. GRA are lower on the session by 3.13%, currently trading at $38.64. The stock has been moving largely lower over the past five weeks and is currently trading below the 50-day moving average. Options traders are buying puts on the name today. A short while ago the December 2011 $45.00 put traded 2,500 times on open interest of 3,021 contracts. Overall put volume is now running at 3.59x the daily average with 99% of all puts traded being purchases on the offer. W.R. Grace & Co. is engaged in the production and sale of specialty chemicals and specialty materials on a global basis. It operates in two business segments: Grace Davison and Grace Construction Products.