Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Aehr Test Systems (AEHR), where a total volume of 8,758 contracts has been traded thus far today, a contract volume which is representative of approximately 875,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 84.7% of AEHR's average daily trading volume over the past month, of 1.0 million shares..