Both in Petroleum Refining

ExxonMobil Holdings vs PHILLIPS 66

Over the past year XOM returned +64.6% and PSX returned +105.1%; their daily moves had a correlation of 0.60.

XOM +64.6% PSX +105.1%Growth of $1, one year, split-adjusted
MetricXOMPSX
Price$187.25$282.83
Market cap$763.79B$110.32B
Today+2.16%+3.37%
1 month+14.3%+7.0%
6 months+22.6%+60.5%
Year to date+55.6%+119.2%
1 year+60.8%+104.9%
Revenue growth (YoY)+42.3%+46.4%
Gross margin41.6%19.2%
Net margin12.5%11.1%
P/E (TTM)23.3×8.8×
Price / sales2.1×0.7×
Net cash-$60.48B-$12.68B
Dividend yield2.20%1.80%
Volatility (60d)23.9%33.2%
Short % of float1.0%1.7%
Next earnings——

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