Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Goldman Sachs Group Inc (GS), where a total volume of 29,184 contracts has been traded thus far today, a contract volume which is representative of approximately 2.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 123.8% of GS's average daily trading volume over the past month, of 2.4 million shares..