Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in California Resources Corp (CRC), where a total volume of 18,302 contracts has been traded thus far today, a contract volume which is representative of approximately 1.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 74.8% of CRC's average daily trading volume over the past month, of 2.4 million shares..