As of August 2026 POSCO has a market cap of C$24.19 Billion. This makes POSCO the world's 1359th 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 6th, 2026 the market cap of POSCO was reported to be: