Valero Energy Corp (VLO) is trading up 1.03 to 36.83. ?VLO made a new 52-week high today.

Paper bought the VLO Jun 35/36 call spread for .50.? The strike traded 5,150 contracts in one block today.? Average contract volume is over 14,500 contracts per day in the name.? Open interest is over 6,300 in the Jun 35 strike and less than 400 in the Jun 36 strike.? The implied volatility is up .3 points in Jun. This trade looks to be a large short call position rolling to a higher strike.

30-day implied volatility is 31%.?? 10-day implied volatility is 32%.? 30-day implied volatility is trading just at the 10 day historical volatility.

Valero Energy Corporation (Valero) is an independent petroleum refining and marketing company.