As of January 2026 Diamondback Energy has a market cap of A$65.37 Billion. This makes Diamondback Energy the world's 557th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jan 13th, 2026 the market cap of Diamondback Energy was reported to be: