Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Crown Holdings Inc (CCK), where a total volume of 6,075 contracts has been traded thus far today, a contract volume which is representative of approximately 607,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 62.1% of CCK's average daily trading volume over the past month, of 977,795 shares..