Notable Friday Option Activity: BIIB, NKE, TIF

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Biogen Idec Inc (BIIB), where a total of 33,741 contracts have traded so far, representing approximately 3.4 million underlying shares. That amounts to about 229.8% of BIIB's average daily trading volume over the past month of 1.5 million shares..