Notable Wednesday Option Activity: BIIB, MRK, AMGN
January 11, 2017 at 14:07 PM EST
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Biogen Inc (BIIB), where a total volume of 8,770 contracts has been traded thus far today, a contract volume which is representative of approximately 877,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 58.1% of BIIB's average daily trading volume over the past month, of 1.5 million shares..