Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Alphabet Inc (GOOGL), where a total volume of 153,707 contracts has been traded thus far today, a contract volume which is representative of approximately 15.4 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52% of GOOGL's average daily trading volume over the past month, of 29.5 million shares..