Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Expedia Group Inc (EXPE), where a total volume of 6,075 contracts has been traded thus far today, a contract volume which is representative of approximately 607,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 44.3% of EXPE's average daily trading volume over the past month, of 1.4 million shares..