Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in 10x Genomics Inc (TXG), where a total volume of 5,314 contracts has been traded thus far today, a contract volume which is representative of approximately 531,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 92.5% of TXG's average daily trading volume over the past month, of 574,295 shares..