Both in Petroleum Refining

MARATHON PETROLEUM vs Valero Energy

Over the past year MPC returned +99.5% and VLO returned +125.2%; their daily moves had a correlation of 0.86.

MPC +99.5% VLO +125.2%Growth of $1, one year, split-adjusted
MetricMPCVLO
Price$392.03$387.72
Market cap$110.09B$111.64B
Today+0.67%−0.47%
1 month+6.3%+10.0%
6 months+59.9%+54.9%
Year to date+141.1%+138.2%
1 year+97.3%+120.8%
Revenue growth (YoY)+53.8%+48.8%
Gross margin17.2%13.9%
Net margin9.9%8.3%
P/E (TTM)12.9×15.5×
Price / sales0.7×0.8×
Net cash-$25.05B-$3.48B
Dividend yield1.02%1.24%
Volatility (60d)34.7%34.3%
Short % of float2.6%3.3%
Next earnings——

Shading marks the stronger figure where one clearly exists (lower is better for valuation and volatility).