As of January 2026 National Fuel Gas has a market cap of โน671.56 Billion. This makes National Fuel Gas the world's 2466th 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 11th, 2026 the market cap of National Fuel Gas was reported to be: