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 9,251 contracts has been traded thus far today, a contract volume which is representative of approximately 925,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 75.4% of LEU's average daily trading volume over the past month, of 1.2 million shares..