Noteworthy Thursday Option Activity: AIMT, IAC, WFC

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Aimmune Therapeutics Inc (AIMT), where a total volume of 3,289 contracts has been traded thus far today, a contract volume which is representative of approximately 328,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 102.2% of AIMT's average daily trading volume over the past month, of 321,935 shares..