Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Amcor plc (AMCR), where a total volume of 38,986 contracts has been traded thus far today, a contract volume which is representative of approximately 3.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 48.2% of AMCR's average daily trading volume over the past month, of 8.1 million shares..