Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in AdaptHealth Corp (AHCO), where a total volume of 9,233 contracts has been traded thus far today, a contract volume which is representative of approximately 923,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 110.3% of AHCO's average daily trading volume over the past month, of 837,080 shares..