Noteworthy Friday Option Activity: GRA, DDD, ACAD
September 29, 2017 at 11:30 AM 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 4,912 contracts has been traded thus far today, a contract volume which is representative of approximately 491,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 91.2% of GRA's average daily trading volume over the past month, of 538,575 shares..