Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Uber Technologies Inc (UBER), where a total volume of 81,001 contracts has been traded thus far today, a contract volume which is representative of approximately 8.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 58.5% of UBER's average daily trading volume over the past month, of 13.8 million shares..