Notable Thursday Option Activity: Z, STMP, CSOD
July 14, 2016 at 15:26 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Zillow Group Inc (Z), where a total volume of 8,221 contracts has been traded thus far today, a contract volume which is representative of approximately 822,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52.6% of Z's average daily trading volume over the past month, of 1.6 million shares..