Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Immunovant Inc (IMVT), where a total volume of 4,665 contracts has been traded thus far today, a contract volume which is representative of approximately 466,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 55.2% of IMVT's average daily trading volume over the past month, of 845,865 shares..