As of October 2026 Century Aluminum has a market cap of C$5.08 Billion. This makes Century Aluminum the world's 3782th 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 7th, 2026 the market cap of Century Aluminum was reported to be: