Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Elastic NV (ESTC), where a total volume of 8,334 contracts has been traded thus far today, a contract volume which is representative of approximately 833,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 73% of ESTC's average daily trading volume over the past month, of 1.1 million shares..