Is Delek US' Higher P/E Ratio Backed by Stronger Fundamentals?

Delek US (DK) is currently trading at a higher P/E ratio compared to its peer Valero Energy (VLO), which is attributed to its improving operational performance, robust earnings expectations, and strategic initiatives aimed at enhancing its refining business. This suggests that the market perceives DK's fundamentals as stronger, justifying its premium valuation.