Notable Friday Option Activity: BLK, ESPR, CZR
January 12, 2018 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 5,347 contracts have traded so far, representing approximately 534,700 underlying shares. That amounts to about 123.9% of BLK's average daily trading volume over the past month of 431,410 shares..
