Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Centrus Energy Corp (LEU), where a total volume of 1,491 contracts has been traded thus far today, a contract volume which is representative of approximately 149,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 73% of LEU's average daily trading volume over the past month, of 204,170 shares..