Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in International Business Machines Corp (IBM), where a total volume of 14,947 contracts has been traded thus far today, a contract volume which is representative of approximately 1.5 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 46.7% of IBM's average daily trading volume over the past month, of 3.2 million shares..