Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Charter Communications Inc (CHTR), where a total volume of 5,808 contracts has been traded thus far today, a contract volume which is representative of approximately 580,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 61.1% of CHTR's average daily trading volume over the past month, of 950,570 shares..