Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Scorpio Tankers Inc (STNG), where a total volume of 3,216 contracts has been traded thus far today, a contract volume which is representative of approximately 321,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 46.3% of STNG's average daily trading volume over the past month, of 695,135 shares..