Options Brief: XenoPort, Inc. (XNPT)

Shares of XenoPort, Inc. XNPT are higher on the session by 1.62%, trading at $7.55.

Overall put volume is now running at 2.35x the daily average, with 63% of all puts traded being purchases on the offer. 2,555 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.