Notable Wednesday Option Activity: GBT, FCX, URGN

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Global Blood Therapeutics Inc (GBT), where a total of 4,779 contracts have traded so far, representing approximately 477,900 underlying shares. That amounts to about 65.4% of GBT's average daily trading volume over the past month of 731,225 shares..