On Tuesday (May 22), West Texas Intermediate crude futures hit $72.72 a barrel, their highest level since 2014.
This is just the latest benchmark in a nine-month rally that has seen oil prices soar over 50% since August 2017.
Oil's aggressive rally has pushed oil stocks up as well.
SPDR S&P Oil & Gas Exploration & Production ETF, an ETF comprised of oil stocks, has gone up 48% since last August.
For comparison, the S&P 500 has only gained 13% over the same period.
With stocks riding increasing oil prices to new market highs, we've identified the best oil stock to buy as the rally continues.