Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in CleanSpark Inc (CLSK), where a total volume of 76,737 contracts has been traded thus far today, a contract volume which is representative of approximately 7.7 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 40.6% of CLSK's average daily trading volume over the past month, of 18.9 million shares..