Notable Friday Option Activity: GCP, FDX, ATHN

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in GCP Applied Technologies Inc (GCP), where a total volume of 1,539 contracts has been traded thus far today, a contract volume which is representative of approximately 153,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 43.5% of GCP's average daily trading volume over the past month, of 353,880 shares..