Notable Friday Option Activity: GRA, CAT, CLNY
May 13, 2016 at 15:41 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Grace & Co (GRA), where a total volume of 3,249 contracts has been traded thus far today, a contract volume which is representative of approximately 324,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 53.5% of GRA's average daily trading volume over the past month, of 607,755 shares..