Notable Friday Option Activity: BIIB, CRC, UAA

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Biogen Inc (BIIB), where a total of 9,390 contracts have traded so far, representing approximately 939,000 underlying shares. That amounts to about 43.6% of BIIB's average daily trading volume over the past month of 2.2 million shares..