Notable Thursday Option Activity: BLK, WHR, BIIB
January 09, 2020 at 15:17 PM EST
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Blackrock Inc (BLK), where a total of 2,193 contracts have traded so far, representing approximately 219,300 underlying shares. That amounts to about 51.4% of BLK's average daily trading volume over the past month of 426,735 shares..