Noteworthy Friday Option Activity: ZS, VLO, AVGO
October 18, 2019 at 15:19 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Zscaler Inc (ZS), where a total volume of 12,294 contracts has been traded thus far today, a contract volume which is representative of approximately 1.2 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 46.7% of ZS's average daily trading volume over the past month, of 2.6 million shares..