Notable Monday Option Activity: TSRO, CSOD, OA
October 10, 2016 at 15:25 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Tesaro Inc (TSRO), where a total volume of 17,416 contracts has been traded thus far today, a contract volume which is representative of approximately 1.7 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 146.4% of TSRO's average daily trading volume over the past month, of 1.2 million shares..