Options Brief: Tesoro Corporation (TSO)

Shares of Tesoro Corporation TSO are lower on the session by 3.45%, trading at $23.47. Overall put volume is now running at 2.03x the daily average, with 63% of all puts traded being purchases on the offer. 8,027 contracts have traded on the session so far. Tesoro Corporation is an independent petroleum refiner and marketer in the United States.