Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Customers Bancorp Inc (CUBI), where a total volume of 2,846 contracts has been traded thus far today, a contract volume which is representative of approximately 284,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 74.3% of CUBI's average daily trading volume over the past month, of 382,825 shares..