VLO's PEG compares to its industry's average PEG of 1.45. Over the last 12 months, VLO's PEG has been as high as 2.39 and as low as 0.22, with a median of 1.25. These are only a few of the key metrics included in Valero Energy's strong Value grade, but they help show that the stock is likely undervalued right now. When factoring in the strength of its earnings outlook, VLO looks like an impressive value stock at the moment.