Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in REV Group Inc (REVG), where a total volume of 3,708 contracts has been traded thus far today, a contract volume which is representative of approximately 370,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 60.7% of REVG's average daily trading volume over the past month, of 610,915 shares..