Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Cross Country Healthcare Inc (CCRN), where a total volume of 5,313 contracts has been traded thus far today, a contract volume which is representative of approximately 531,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 186.5% of CCRN's average daily trading volume over the past month, of 284,925 shares..