Notable Wednesday Option Activity: XBIT, ATHX, DNKN

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in XBiotech Inc (XBIT), where a total volume of 590 contracts has been traded thus far today, a contract volume which is representative of approximately 59,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 49% of XBIT's average daily trading volume over the past month, of 120,330 shares..