Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in TKO Group Holdings Inc (Symbol: TKO), where a total volume of 27,876 contracts has been traded thus far today, a contract volume which is representative of approximately 2.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 375.7% of TKO's average daily trading volume over the past month, of 742,015 shares. Especially high volu ...