Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Cracker Barrel Old Country Store Inc (CBRL), where a total volume of 3,360 contracts has been traded thus far today, a contract volume which is representative of approximately 336,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 43.4% of CBRL's average daily trading volume over the past month, of 773,705 shares..