Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in ZoomInfo Technologies Inc (ZI), where a total volume of 45,790 contracts has been traded thus far today, a contract volume which is representative of approximately 4.6 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 64.6% of ZI's average daily trading volume over the past month, of 7.1 million shares..