Notable Wednesday Option Activity: ARA, EDIT, SGMS

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in American Renal Associates Holdings Inc (ARA), where a total volume of 785 contracts has been traded thus far today, a contract volume which is representative of approximately 78,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 59.9% of ARA's average daily trading volume over the past month, of 131,060 shares..