As of August 2026 Duke Energy has a market cap of โน8.985 Trillion. This makes Duke Energy the world's 261th 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 Aug 27th, 2026 the market cap of Duke Energy was reported to be: