Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Quantum-Si Inc (QSI), where a total volume of 8,374 contracts has been traded thus far today, a contract volume which is representative of approximately 837,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 112% of QSI's average daily trading volume over the past month, of 747,350 shares..