As of October 2026 Plains All American Pipeline has a market cap of โน1.667 Trillion. This makes Plains All American Pipeline the world's 1306th 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 8th, 2026 the market cap of Plains All American Pipeline was reported to be: