Options Brief XenoPort, Inc. (XNPT)

Shares of XenoPort, Inc.

are higher on the session by 3.31%, trading at $7.64. Overall call volume is now running at 2.80x the daily average, with 72% of all calls traded being purchases on the offer. 1,813 contracts have traded on the session so far. XenoPort, Inc. is a biopharmaceutical company focused on developing and commercializing a portfolio of internally discovered product candidates, which utilizes the body's natural nutrient transport mechanisms to improve the therapeutic benefits of existing drugs.