Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Netflix Inc (NFLX), where a total volume of 173,980 contracts has been traded thus far today, a contract volume which is representative of approximately 17.4 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 597.1% of NFLX's average daily trading volume over the past month, of 2.9 million shares..