Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Salesforce Inc (CRM), where a total volume of 29,752 contracts has been traded thus far today, a contract volume which is representative of approximately 3.0 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 49.8% of CRM's average daily trading volume over the past month, of 6.0 million shares..