Notable Thursday Option Activity: XBIT, BOX, PBYI

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 657 contracts has been traded thus far today, a contract volume which is representative of approximately 65,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 56.1% of XBIT's average daily trading volume over the past month, of 117,060 shares..