Notable Wednesday Option Activity: PFNX, STMP, XLNX
July 17, 2019 at 15:38 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Pfenex Inc (PFNX), where a total volume of 1,100 contracts has been traded thus far today, a contract volume which is representative of approximately 110,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 47.6% of PFNX's average daily trading volume over the past month, of 231,185 shares..