As of October 2026 National Fuel Gas has a market cap of โน723.17 Billion. This makes National Fuel Gas the world's 2440th 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 Oct 9th, 2026 the market cap of National Fuel Gas was reported to be: