Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Praxis Precision Medicines Inc (PRAX), where a total volume of 5,766 contracts has been traded thus far today, a contract volume which is representative of approximately 576,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 233.4% of PRAX's average daily trading volume over the past month, of 247,040 shares..