Notable Friday Option Activity: Z, PTLA, CMP
December 23, 2016 at 15:24 PM EST
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 12,753 contracts has been traded thus far today, a contract volume which is representative of approximately 1.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 63.9% of Z's average daily trading volume over the past month, of 2.0 million shares..