Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Booking Holdings Inc (BKNG), where a total volume of 4,354 contracts has been traded thus far today, a contract volume which is representative of approximately 435,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 269.7% of BKNG's average daily trading volume over the past month, of 161,440 shares..