Notable Friday Option Activity: BIIB, COST, INTC

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Biogen Inc (BIIB), where a total of 8,289 contracts have traded so far, representing approximately 828,900 underlying shares. That amounts to about 44.4% of BIIB's average daily trading volume over the past month of 1.9 million shares..