Both in Petroleum Refining

Valero Energy vs ExxonMobil Holdings

Over the past year VLO returned +116.0% and XOM returned +48.3%; their daily moves had a correlation of 0.54.

VLO +116.0% XOM +48.3%Growth of $1, one year, split-adjusted
MetricVLOXOM
Price$365.34$169.27
Market cap$101.89B$690.45B
Today−5.76%−4.62%
1 month−12.9%+2.9%
6 months+54.4%+13.8%
Year to date+124.4%+40.7%
1 year+112.9%+48.8%
Revenue growth (YoY)+43.3%+42.3%
Gross margin25.4%41.6%
Net margin14.8%12.5%
P/E (TTM)7.9×21.1×
Price / sales0.7×1.9×
Net cash-$1.16B-$60.48B
Dividend yield1.31%2.43%
Volatility (60d)42.0%26.1%
Short % of float2.9%1.0%
Next earnings——

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