Puts Purchased on W.R. Grace & Co.

Shares of W.R. Grace & Co. GRA are lower on the session by 2.35%, currently trading at $44.05. The stock has been moving largely higher over the past SIX months and is currently trading above the 50-day and 200-day moving averages. Options traders are buying puts on the name today. A short while ago the June 2011 $40.00 put was purchased 1,000 times, on the offer, on open interest of 958 contracts. Overall put volume is now running at 6.07x 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.