Forbes -
15 Aug 2016 21:28

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in BlackRock, Inc. (NYSE: BLK), where a total volume of 2,458 contracts has been traded thus far today, a contract volume which is representative of approximately 245,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 46.6% of BLK's average daily trading volume over the past month, of 527,580 shares. Particularly high volum...
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