Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in VirnetX Holding Corp (VHC), where a total volume of 2,715 contracts has been traded thus far today, a contract volume which is representative of approximately 271,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 80.5% of VHC's average daily trading volume over the past month, of 337,145 shares..