Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Uber Technologies Inc (Symbol: UBER), where a total volume of 108,241 contracts has been traded thus far today, a contract volume which is representative of approximately 10.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 70.8% of UBER's average daily trading volume over the past month, of 15.3 million shares. Particularly high ...