Noteworthy Thursday Option Activity: BLK, BA, CHRW
August 09, 2018 at 13:53 PM EDT
Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Blackrock Inc (BLK), where a total of 10,191 contracts have traded so far, representing approximately 1.0 million underlying shares. That amounts to about 131.6% of BLK's average daily trading volume over the past month of 774,120 shares..