Noteworthy Thursday Option Activity: INGN, RDUS, WBMD

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Inogen, Inc (INGN), where a total volume of 1,300 contracts has been traded thus far today, a contract volume which is representative of approximately 130,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 77.6% of INGN's average daily trading volume over the past month, of 167,545 shares..