Forbes -
7 Oct 2016 21:34

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Grace & Co (NYSE: GRA), where a total volume of 10,808 contracts has been traded thus far today, a contract volume which is representative of approximately 1.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 221.8% of GRA's average daily trading volume over the past month, of 487,345 shares. Particularly high volu...
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