Notable Thursday Option Activity: ARWR, ROST, OUTR
August 18, 2016 at 15:32 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Arrowhead Pharmaceuticals Inc (ARWR), where a total of 3,324 contracts have traded so far, representing approximately 332,400 underlying shares. That amounts to about 61.7% of ARWR's average daily trading volume over the past month of 538,710 shares..