Noteworthy Friday Option Activity: XBIT, CTSH, SKT

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 669 contracts has been traded thus far today, a contract volume which is representative of approximately 66,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 80.4% of XBIT's average daily trading volume over the past month, of 83,245 shares..