Notable Thursday Option Activity: BLK, ZGNX, LUV
September 09, 2021 at 15:38 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Blackrock Inc (BLK), where a total volume of 1,834 contracts has been traded thus far today, a contract volume which is representative of approximately 183,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 51.5% of BLK's average daily trading volume over the past month, of 356,170 shares..