Notable Wednesday Option Activity: ATHN, GME, PANW

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Athenahealth Inc (ATHN), where a total volume of 4,363 contracts has been traded thus far today, a contract volume which is representative of approximately 436,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 49.2% of ATHN's average daily trading volume over the past month, of 887,105 shares..