As of December 2025 Alcoa has a market cap of โน1.078 Trillion. This makes Alcoa the world's 1705th 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 Dec 12th, 2025 the market cap of Alcoa was reported to be: