Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Archer Aviation Inc (ACHR), where a total volume of 41,388 contracts has been traded thus far today, a contract volume which is representative of approximately 4.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 48.4% of ACHR's average daily trading volume over the past month, of 8.5 million shares..