Notable Friday Option Activity: SGEN, W, GM

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Seagen Inc (SGEN), where a total volume of 13,233 contracts has been traded thus far today, a contract volume which is representative of approximately 1.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 72.3% of SGEN's average daily trading volume over the past month, of 1.8 million shares..